Legal Requirements for a Sole Proprietorship in Denmark

Starting a business is an exciting venture characterized by many opportunities and responsibilities. For individuals in Denmark, one of the most accessible ways to embark on entrepreneurship is through a sole proprietorship (Enkeltmandsvirksomhed). This article delves into the myriad legal requirements, implications, and steps necessary to establish a sole proprietorship in Denmark, ensuring you're well-equipped to navigate this process.

Understanding Sole Proprietorship

A sole proprietorship is a business entity owned and operated by a single individual, wherein there is no distinction between the owner and the business. This means that the business does not require a separate legal identity, making it an appealing option for many who wish to run a small to medium enterprise.

Due to its simplicity, a sole proprietorship is often the starting point for many entrepreneurs. However, being a sole trader implies unlimited personal liability, meaning that the owner is personally responsible for the debts and obligations of the business.

Key Benefits of a Sole Proprietorship in Denmark

Before diving into the legal requirements, it is critical to understand the benefits that a sole proprietorship offers:

1. Simplicity of Establishment: Setting up a sole proprietorship in Denmark is relatively straightforward and involves minimal bureaucratic processes.

2. Full Control: As the sole owner, you have complete control over business decisions without the need for consensus from partners or shareholders.

3. Tax Benefits: Income from the business is taxed as personal income, which can be beneficial in certain financial situations.

Flexible Structure: The lack of formalities in operations allows for a more flexible business model, adapting quickly to market changes.

Legal Considerations for a Sole Proprietorship

To operate legally, individuals must navigate specific regulatory requirements. Here's a detailed guide on the legal obligations tied to establishing a sole proprietorship in Denmark:

1. Business Registration

Every sole proprietorship in Denmark must be registered with the Danish Business Authority (Erhvervsstyrelsen). The registration process can be completed online via the Virk.dk website, the official digital portal for businesses.

The registration involves:

- Filling out the application: This includes providing basic information such as your name, address, and the nature of your business.

- Obtaining a CVR Number: Upon successful registration, you will receive a unique Central Business Registration (CVR) number, which is necessary for business identification and legal purposes.

2. Relevant Regulations and Licenses

Depending on the nature of your business, additional licenses or permits may be required. For instance:

- Health and Safety Permits: For businesses operating in sectors such as food service or healthcare, adherence to local health regulations is paramount.

- Professional Licenses: Certain professions may require specific licensing, such as solicitors, medical practitioners, or architects.

It's advisable to consult the Danish Business Authority or industry-specific organizations to ensure compliance with any relevant legal stipulations.

3. Tax Registration

A crucial legal step is registering for tax purposes. This typically entails:

- Value Added Tax (VAT) Registration: If your annual revenue exceeds DKK 50,000, you are required to register for VAT and charge it on goods and services sold.

- Self-Assessment for Income Tax: Sole proprietors are responsible for declaring their income through their personal tax return. This means that profits from the business will be subject to personal income tax rates.

- Labour Market Contributions: It is necessary to account for mandatory social contributions that are part of your tax obligations.

4. Accounting and Record-Keeping

Maintaining accurate records is essential for tax purposes and potential audits. Key requirements include:

- Accurate Bookkeeping: You must keep precise records of all income, expenses, and transactions for the business.

- Financial Reporting: While sole proprietors have fewer reporting obligations than companies, it's prudent to prepare annual accounts for personal clarity and tax purposes.

- Retention of Records: Records must be kept for a minimum of five years after the applicable financial year.

Many sole proprietors in Denmark choose to hire an accountant or use accounting software to ensure compliance and ease in financial management.

5. Insurance Considerations

While not legally mandated, various types of insurance can protect your business and personal assets. Key insurance policies may include:

- Liability Insurance: This protects against claims resulting from injuries or damages caused during business operation.

- Property Insurance: Essential for safeguarding business property against risks such as theft, fire, or natural disasters.

- Health Insurance: As an entrepreneur, obtaining your health insurance is critical, especially since you lack employer-provided coverage.

6. Employment Considerations

If you plan to hire employees for your sole proprietorship, several legalities arise:

- Employee Contracts: While not strictly required, it is advisable to provide written contracts detailing terms of employment, duties, and remuneration.

- Social Security Contributions: Employers in Denmark are obligated to contribute to social security for their employees, including pension and unemployment insurance.

- Workplace Safety Regulations: Familiarize yourself with the Danish working environment laws to maintain a safe workspace.

Steps for Establishing a Sole Proprietorship

To ensure a smooth startup process, follow these structured steps for establishing your sole proprietorship in Denmark:

Step 1: Define Your Business Idea

Clearly articulate your business concept, including your target market and products or services to offer. Conduct market research to validate the viability and demand for your proposed business.

Step 2: Develop a Business Plan

Drafting a business plan will serve as a roadmap for your sole proprietorship. It should outline:

- Business Goals: Short-term and long-term objectives.

- Market Analysis: Competitive landscape insights and customer demographics.

- Marketing Strategy: How you plan to acquire and retain customers.

- Financial Projections: Forecast of income, expenses, and break-even analysis.

Step 3: Register Your Business

Visit the Virk.dk platform to register your sole proprietorship officially. Ensure all information is accurate, and consider consulting legal advisors or business consultants if you require assistance.

Step 4: Create a Financial Framework

Set up a separate bank account for your business to streamline accounting processes. Decide whether to utilize online banking services or traditional banking and assess the options available to you.

Step 5: Maintain Compliance

Adhere to all established regulations, including accounting obligations and tax filings. Regularly review regulatory updates from Danish authorities to remain compliant.

Potential Challenges of Operating as a Sole Proprietorship

While operating a sole proprietorship has its advantages, it also poses unique challenges:

1. Personal Liability

The most significant drawback lies in the aspect of personal liability. All business debts and obligations are your responsibility. This can pose a risk to personal assets in the event of business failure.

2. Limited Capacity for Growth

Sole proprietorships may face challenges in scalability. Financing options for sole traders can be more limited than for incorporated businesses, potentially hindering growth.

3. Time and Resource Constraints

As the sole operator, the burden of all business responsibilities falls on you. This can lead to burnout and affect business performance if not managed effectively.

Taxation Implications

When operating a sole proprietorship, understanding the taxation landscape is paramount. Key considerations include:

1. Income Tax Responsibilities

As a sole proprietor, your business income is taxed as personal income. Denmark has a progressive income tax system, meaning tax rates increase as income rises. It's crucial to be aware of the current tax brackets to accurately anticipate your obligations.

2. VAT Registration and Compliance

If eligible, you will be required to charge and collect VAT on your sales, which is currently set at 25% for most goods and services. You must also file VAT returns, documenting sales and purchases covered by VAT periodically (usually quarterly or annually).

Alternative Business Structures

While a sole proprietorship is appealing for its simplicity, other business structures may better serve your long-term goals. These include:

1. ApS (Anpartsselskab)

A limited liability company known as ApS provides the benefit of limited liability, separating personal assets from business risks. However, this structure involves more complex administrative requirements.

2. A/S (Aktieselskab)

An A/S is a public limited company suitable for businesses that plan to grow significantly and perhaps seek to raise capital through public offerings. This structure requires substantial initial capital and is subject to strict regulatory compliance.

Choosing the Right Trade Name and Registration with the Danish Business Authority (Erhvervsstyrelsen)

Choosing a compliant and memorable trade name is one of the first legal steps when setting up a sole proprietorship (enkeltmandsvirksomhed) in Denmark. Your trade name will appear on invoices, contracts, your website and in the public register of the Danish Business Authority (Erhvervsstyrelsen), so it must meet specific legal requirements and be correctly registered.

Legal rules for choosing a trade name in Denmark

Under Danish law, a trade name must clearly identify your business and must not mislead customers or infringe on existing rights. In practice, this means:

• The name must be distinctive and not purely descriptive of the goods or services (for example, “Consulting” alone is not sufficient).
• It must not be confusingly similar to an existing registered company name or trademark in Denmark.
• It cannot contain misleading information about the size, legal form or scope of the business (for example, a sole proprietorship may not use “A/S” or “ApS” in the name).
• It must not be offensive, unlawful or contrary to public order or good practice.
• If you use a personal name, it should normally be your own; using another person’s name may require consent.

Many sole proprietors choose a combination of their own name and a descriptive element, such as “Anna Jensen IT Consulting” or “Lars Nielsen Carpentry”. This helps with both compliance and branding, and usually makes it easier to secure a unique name.

Checking availability of your trade name

Before you register, you should check whether your desired name is already in use or protected. You can:

• Search the Central Business Register (CVR) via the Danish Business Authority’s online portal to see existing company names.
• Check the Danish Patent and Trademark Office (Patent- og Varemærkestyrelsen) database for registered trademarks that may conflict with your name.
• Search domain names (.dk and international domains) to ensure you can obtain a matching website address.

If your name is too similar to an existing business or trademark, Erhvervsstyrelsen can refuse registration, and rights holders can demand that you stop using it. Taking time to check availability reduces the risk of later disputes and rebranding costs.

Registering your sole proprietorship with Erhvervsstyrelsen

Most sole proprietorships must be registered with the Danish Business Authority before starting business activities. Registration is done digitally through the Virk portal using MitID. During registration, you will typically provide:

• Your chosen trade name and any secondary names
• Your CPR number and contact details
• Business address (including whether you operate from home)
• Description of activities and relevant industry code (branchekode/NACE code)
• Expected start date of business
• Information on VAT (moms) registration and any other schemes you need to join

Once your application is approved, your business is assigned a CVR number, which is your official business identification number. You must use this number on invoices, contracts, your website and in correspondence with public authorities.

When registration is mandatory

You must register your sole proprietorship if you carry out independent, continuous commercial activity with the intention of making a profit. In practice, registration is required when you:

• Provide goods or services on a regular basis to customers other than your employer
• Advertise or market your services as a business
• Issue invoices in your business name

If your annual turnover exceeds 50,000 DKK over a 12‑month period, you are also required to register for VAT. Many businesses choose to register for VAT from the start if they expect to reach this threshold, as it allows them to deduct input VAT on business expenses.

Using your trade name in practice

After registration, you must use your registered trade name consistently in all business contexts. This includes:

• Invoices and credit notes
• Contracts and offers
• Website, social media profiles and marketing materials
• Signage, letterheads and email signatures

The name should be shown together with your CVR number, especially on invoices and your website, so that customers and authorities can clearly identify your business.

Changing or adding a trade name

If you later decide to rebrand or expand into new activities, you can change your primary trade name or add secondary names (binavne) through the Virk portal. Any changes must still comply with the general rules on distinctiveness, non‑misleading content and respect for existing rights. Updated names are automatically reflected in the CVR register, and you should promptly update your invoices, website and marketing materials to match.

Why professional support is useful

Although registration with Erhvervsstyrelsen is designed to be straightforward, many sole proprietors benefit from guidance when choosing a name, selecting the correct industry code and coordinating VAT registration. An accountant familiar with Danish regulations can help you:

• Assess whether your activity requires registration and from which date
• Choose a trade name that is both legally compliant and SEO‑friendly
• Align your registration details with your bookkeeping, invoicing and tax reporting setup

A correct and well‑planned registration from the beginning reduces the risk of later corrections, fines and unnecessary administrative work, and provides a solid foundation for the future growth of your sole proprietorship in Denmark.

Registration for VAT (Moms) and Other Mandatory Schemes (e.g., import/export, excise duties)

In Denmark, most sole proprietors must register for VAT (moms) and, where relevant, for additional schemes such as import/export and excise duties. Correct and timely registration is essential to avoid fines, ensure compliance with Danish tax law, and maintain a professional image towards customers and suppliers.

When a sole proprietor must register for VAT (moms)

You are required to register for VAT with the Danish Tax Agency (Skattestyrelsen) when your taxable turnover exceeds, or is expected to exceed, DKK 50,000 over a consecutive 12‑month period. This threshold applies to most goods and services supplied in Denmark.

Some activities are VAT‑exempt (for example, certain financial services, health services and education). If your business only performs VAT‑exempt activities, you normally cannot register for VAT and cannot deduct input VAT on your purchases.

How to register for VAT as a sole proprietor

VAT registration is done digitally via Virk.dk when you register your sole proprietorship or later, once you know you will exceed the threshold. You will need your personal CPR number, NemID/MitID and information about your business activities (industry code, expected turnover and start date for VAT‑liable activities).

Once registered, your business receives a CVR number, which you must use on invoices, contracts and in communication with public authorities. You must also state your VAT registration on invoices and ensure that your accounting system can handle Danish VAT rules.

VAT rates and typical reporting frequencies

The standard VAT rate in Denmark is 25% and applies to most goods and services. There are no reduced VAT rates, but some supplies are zero‑rated or exempt under specific rules. As a sole proprietor, you typically charge 25% VAT on your sales and can deduct the VAT you pay on business‑related purchases (input VAT), provided they are directly connected to your VAT‑liable activities.

VAT returns are usually filed either quarterly or half‑yearly, depending on your turnover. Smaller businesses are often placed on a half‑yearly reporting schedule, while higher turnover may lead to quarterly or monthly reporting. Deadlines are strict, and late filing or late payment can result in interest and penalties.

Import and export (EU and non‑EU)

If your sole proprietorship trades goods or certain services across borders, you may need additional registrations and to follow specific VAT and customs procedures.

For trade within the EU, you may need an EU VAT number (typically the same as your CVR with a DK prefix) to buy and sell goods and some services without Danish VAT being charged at the time of the transaction. Instead, you account for VAT under the reverse charge mechanism or intra‑Community acquisition rules.

For imports from outside the EU, customs duties and import VAT are normally due when the goods enter Denmark. Import VAT is usually deductible as input VAT if the goods are used in your VAT‑liable business. You must ensure that your EORI number and customs registrations are in place before you start importing.

Excise duties and other special schemes

Certain goods are subject to Danish excise duties in addition to VAT. This can include, for example, alcohol, tobacco, certain sugary drinks, energy products and some environmental or packaging‑related products. If your sole proprietorship produces, imports or trades in such goods, you may need to register for the relevant excise duty schemes with the Danish Tax Agency.

Excise duties are often reported and paid separately from VAT, with their own forms and deadlines. The rules can be complex, and incorrect handling can lead to significant additional tax and penalties, so professional advice is often recommended for businesses dealing with excise‑duty goods.

Practical obligations after registration

Once registered for VAT and any other schemes, you must keep accurate and up‑to‑date bookkeeping records that clearly show your sales, purchases, VAT, customs and excise duty calculations. Invoices must meet Danish legal requirements, including your business name, address, CVR number, invoice date, sequential invoice number, description of goods or services, price and VAT amount or VAT basis.

You are also required to store accounting records for a minimum number of years under Danish law, typically five years, and to be able to present them to the authorities in case of an audit. Many sole proprietors use accounting software that is compatible with Danish digital reporting requirements to simplify VAT returns and other filings.

Why work with an accountant

VAT, import/export rules and excise duties can be challenging, especially when your business grows or starts trading internationally. An accountant familiar with Danish regulations can help you determine whether you must register, choose the correct schemes, set up compliant invoicing and bookkeeping, and file accurate VAT and duty returns on time. This reduces the risk of errors, unexpected tax bills and penalties, and allows you to focus on running and developing your sole proprietorship.

Social Security, Pension, and Insurance Obligations for Sole Proprietors in Denmark

When you run a sole proprietorship in Denmark, you are personally responsible for your own social security, pension, and insurance coverage. Unlike employees, you do not automatically gain rights through an employer, so it is essential to understand which schemes are mandatory and which are strongly recommended to protect your income, health, and family.

Social security and contributions to ATP

Danish residents are covered by the public welfare system (social security) primarily through residence and registration with the CPR (civil registration) system, not through a specific “social security contribution” as in many other countries. As a sole proprietor, you generally have access to public healthcare, child benefits, and certain social benefits on the same basis as other residents, provided you are legally residing and registered in Denmark.

However, there are some specific schemes you should be aware of:

• ATP (Arbejdsmarkedets Tillægspension) – the Danish Labour Market Supplementary Pension. Employees and employers normally pay ATP contributions automatically. As a self-employed person, you are not automatically covered, but you can voluntarily join ATP if you meet the conditions (e.g. a certain minimum number of working hours per month). Contributions are fixed annual amounts depending on the level of coverage you choose.
• Labour market contributions (AM-bidrag) – this is an 8% contribution on your business income before personal tax. It is mandatory and is calculated as part of your annual tax return. Although it is called a “labour market contribution”, you do not receive separate benefits from it; it is integrated into the Danish tax system.

Sickness, maternity, and unemployment protection

As a sole proprietor, you do not automatically have the same sickness and maternity benefits as employees, but you can obtain coverage through voluntary schemes:

• Sickness benefits (sygedagpenge) – you can apply for voluntary insurance with your municipality to receive sickness benefits from an earlier date if you become unable to work due to illness. Without voluntary insurance, you may only be entitled to sickness benefits after a longer waiting period, and only if certain income and activity conditions are met.
• Maternity and paternity benefits – self-employed persons can be entitled to maternity and paternity benefits if they meet specific conditions regarding working hours and income from the business. Voluntary insurance can improve your coverage and reduce waiting periods.
• Unemployment insurance (A-kasse) – you are not automatically covered for unemployment. To receive unemployment benefits (dagpenge), you must join an unemployment insurance fund (A-kasse) as a self-employed person and meet the income and activity requirements. Contributions to an A-kasse are typically a fixed monthly fee.

Pension obligations and options for sole proprietors

There is no mandatory private pension scheme for sole proprietors in Denmark, but relying solely on the state pension (folkepension) and any ATP you may have accumulated is rarely sufficient to maintain your standard of living after retirement. It is therefore strongly recommended to build your own pension savings through one or more of the following:

• Private pension schemes – such as rate pension (ratepension), life annuity (livrente), or age savings (aldersopsparing). Contributions can often be deducted from your taxable income within specific annual limits. For example, contributions to a rate pension are deductible up to a fixed annual maximum amount, while life annuity contributions can often be deducted without an upper limit, subject to general tax rules.
• Business pension through your sole proprietorship – you can pay pension contributions directly from your business and deduct them as business expenses, provided the scheme is structured correctly and complies with Danish tax rules.
• Voluntary ATP contributions – if you join ATP as self-employed, your contributions will supplement your state pension later in life.

The optimal pension setup depends on your age, income level, and whether you have other pension savings from previous employment. A Danish accountant or pension advisor can help you choose tax-efficient solutions and ensure that contributions are reported correctly to the Danish Tax Agency (Skattestyrelsen).

Mandatory and recommended insurance policies

Some insurances are legally required if you meet certain conditions, while others are not mandatory but highly advisable for risk management and financial security.

Workers’ compensation and occupational injury insurance

If you hire employees in your sole proprietorship, you must take out workers’ compensation insurance (arbejdsskadeforsikring) for them. This insurance covers occupational injuries and is mandatory from the first employee, regardless of whether they work part-time or full-time.

For yourself as the owner, workers’ compensation insurance is not mandatory, but you can often include voluntary coverage for the business owner in the same policy. This is strongly recommended if your work involves physical tasks, driving, or visits to customer sites.

Health and income protection insurance

To protect your personal finances, consider the following voluntary insurances:

• Health insurance – supplementary health insurance can give you faster access to specialists, treatment, and rehabilitation, reducing downtime for your business.
• Income protection or disability insurance – provides a monthly benefit if you lose your ability to work due to illness or accident. This can be crucial if your business depends heavily on your personal work capacity.

Business-related insurance

Depending on your industry and risk profile, the following insurances may be relevant or required by contracts and industry standards:

• Professional indemnity insurance – important for consultants, advisors, and other knowledge-based professions to cover claims for financial loss caused by professional errors.
• Public liability insurance – covers personal injury and property damage caused to third parties in connection with your business activities.
• Product liability insurance – relevant if you manufacture, import, or sell physical products that could cause damage or injury.
• Business contents and property insurance – covers equipment, inventory, and sometimes loss of income after fire, theft, or other damage.
• Cyber and data breach insurance – increasingly relevant if you store customer data or rely heavily on IT systems.

Cross-border social security within the EU/EEA

If you operate as a Danish sole proprietor and work across borders within the EU/EEA or Switzerland, special rules determine which country’s social security system you belong to. In many cases, you will remain covered by the Danish system if your main activity is in Denmark, but you may need an A1 certificate to document this when working abroad. The rules are complex, and incorrect classification can lead to double contributions or loss of coverage, so professional advice is recommended if you have significant cross-border activities.

Practical steps and how an accountant can help

To ensure you meet your social security, pension, and insurance obligations as a sole proprietor in Denmark, you should:

1. Clarify your status with the Danish Tax Agency and municipality, including eligibility for sickness and maternity benefits.
2. Decide whether to join ATP and an unemployment insurance fund (A-kasse) as self-employed.
3. Set up a structured pension plan with regular contributions and ensure that all tax deductions are correctly claimed.
4. Review which insurances are mandatory for your business (especially if you have employees) and which are necessary to manage your personal and business risks.
5. Reassess your coverage regularly as your income, family situation, and business activities change.

A Danish accountant with experience in sole proprietorships can coordinate with insurance and pension providers, ensure that contributions and premiums are correctly booked in your accounts, and help you optimise the tax treatment of your pension and insurance arrangements. This not only keeps you compliant with Danish law but also strengthens the long-term financial stability of both you and your business.

Bookkeeping, Invoicing, and Record-Keeping Requirements under Danish Law

As a sole proprietor in Denmark, you are legally required to keep accurate and timely financial records. Proper bookkeeping and invoicing are not only essential for understanding your business performance, but also for complying with rules set by the Danish Tax Agency (Skattestyrelsen) and the Danish Business Authority (Erhvervsstyrelsen). Failure to meet these requirements can result in fines, interest on unpaid taxes, and additional audits.

Basic bookkeeping obligations for sole proprietors

Danish bookkeeping rules apply to most businesses, including sole proprietorships (enkeltmandsvirksomhed). You must:

• Record all business income and expenses in a systematic way
• Ensure that all entries are supported by documentation (invoices, receipts, contracts, bank statements)
• Keep your records up to date on an ongoing basis, not only once a year
• Be able to present your accounts and documentation to Skattestyrelsen upon request

You can keep your books either digitally or on paper, but in practice digital bookkeeping is strongly recommended. If you are registered for VAT (moms), digital bookkeeping is effectively necessary to handle periodic VAT reporting correctly.

Separate business and private finances

Even though a sole proprietorship is not a separate legal entity, you must clearly distinguish between business and private transactions. This means:

• Using a dedicated business bank account for all business income and expenses whenever possible
• Documenting any private use of business assets (for example, a car or phone) and adjusting for tax purposes
• Avoiding cash transactions where possible and always issuing receipts for cash payments

Clear separation of finances makes it easier to prepare your annual tax return, calculate VAT correctly, and demonstrate compliance during a tax audit.

Invoicing requirements under Danish law

Whenever you sell goods or services to another business or to a consumer, you must issue an invoice or other valid sales document. For VAT-registered sole proprietors, invoices must meet specific formal requirements. A compliant invoice typically includes:

• Your business name and address
• Your CVR number (business registration number) if you have one
• The customer’s name and address (and CVR number for B2B sales in Denmark or within the EU)
• Invoice date and a unique, consecutive invoice number
• Clear description of the goods or services supplied
• Quantity and unit price
• Date of delivery or performance, if different from the invoice date
• Net amount excluding VAT
• Applicable VAT rate (for example 25% standard rate) and the VAT amount
• Total amount including VAT

If a transaction is VAT-exempt or subject to special VAT rules, this must be clearly stated on the invoice with a reference to the relevant exemption or scheme (for example, “VAT-exempt according to Danish VAT Act” or “Reverse charge – buyer accounts for VAT”).

Electronic invoicing and public sector customers

If you supply goods or services to Danish public authorities (the state, regions, or municipalities), you are required to send electronic invoices in the OIOUBL or Peppol format. Paper or PDF invoices are not accepted by the public sector. To comply, you must:

• Use an accounting or invoicing system that supports e-invoicing via Peppol or OIOUBL
• Include the customer’s EAN number and other reference information required by the public authority

For private customers, you may issue invoices in paper, PDF, or electronic format, as long as they contain all legally required information and you can store them securely.

Record-keeping periods and storage rules

Under Danish law, you must store your accounting records and supporting documentation for at least 5 years from the end of the financial year they relate to. This applies to:

• Invoices issued and received
• Receipts and expense vouchers
• Bank statements and payment confirmations
• Contracts and agreements with customers and suppliers
• Payroll records if you have employees
• VAT and tax returns, including calculations and working papers

Records may be stored electronically or on paper, but they must be readable, secure, and accessible in Denmark during the entire retention period. If you use cloud-based systems hosted outside Denmark, you must ensure that data can be made available to Danish authorities on request and that it complies with data protection rules.

VAT (moms) bookkeeping and reporting

If your annual VAT-liable turnover exceeds the Danish registration threshold, you must register for VAT and comply with specific VAT bookkeeping rules. Once registered, you must:

• Charge 25% VAT on most goods and services, unless a specific exemption applies
• Keep separate records of VAT on sales (output VAT) and VAT on purchases (input VAT)
• Ensure that VAT is correctly calculated and posted in your accounting system
• Submit VAT returns digitally to Skattestyrelsen within the applicable deadlines

Most small sole proprietors report VAT either quarterly or semi-annually, depending on turnover and the reporting frequency assigned by Skattestyrelsen. Late or incorrect VAT reporting can lead to interest charges and penalties, so your bookkeeping must be accurate and up to date throughout the year, not only at year-end.

Income tax and business result documentation

As a sole proprietor, your business profit is taxed as personal income. You must be able to document how your taxable result is calculated. This typically involves:

• A profit and loss statement showing all business income and deductible expenses
• Depreciation schedules for assets such as equipment, vehicles, and machinery
• Documentation for any special deductions or schemes you use (for example, business use of home, mileage allowances, or investment deductions)

The figures reported in your annual tax return must be traceable back to your bookkeeping and underlying documentation. If Skattestyrelsen requests additional information, you must be able to provide it within the specified deadline.

Cash handling and point-of-sale documentation

If your business accepts cash payments, you must follow specific rules to ensure traceability and prevent undeclared income. This includes:

• Using a cash register or another reliable system that records each sale
• Issuing receipts to customers on request
• Performing and documenting daily cash counts and reconciliations

Any differences between recorded sales and actual cash on hand must be investigated and documented. Consistent discrepancies can trigger a tax inspection and potential adjustments to your taxable income.

Digital tools and automation

While not legally mandatory in all cases, using a modern accounting system significantly reduces the risk of errors and non-compliance. Many Danish sole proprietors use cloud-based bookkeeping software that:

• Automatically numbers and stores invoices
• Imports bank transactions for easy reconciliation
• Calculates VAT and prepares VAT returns
• Stores documents securely for the required 5-year period

Digital tools also make it easier for your accountant to review your records, prepare your annual accounts, and optimize your tax position within the framework of Danish law.

Common bookkeeping mistakes to avoid

Sole proprietors in Denmark often run into problems due to avoidable bookkeeping errors. Typical issues include:

• Mixing private and business expenses without proper documentation
• Failing to issue invoices that meet formal requirements
• Not keeping records for the full 5-year retention period
• Incorrect VAT treatment of exempt or cross-border transactions
• Delays in updating the books, leading to missing or incomplete documentation

Regularly reviewing your bookkeeping routines and seeking professional advice when in doubt can help you stay compliant and avoid unnecessary fines or tax adjustments.

By establishing clear procedures for bookkeeping, invoicing, and record-keeping from the start, your Danish sole proprietorship will be better prepared for growth, audits, and any future changes in tax or accounting regulations.

Employment Law Considerations When Hiring Staff as a Sole Proprietor

When your Danish sole proprietorship grows, hiring employees can be an important next step. As soon as you employ staff, you are treated as an employer under Danish law and must comply with a range of obligations related to contracts, working hours, holiday, payroll, and workplace environment. Failing to follow these rules can quickly become costly, so it is crucial to understand the basics before you recruit.

Registering as an employer and choosing the right employment type

Before the first employee starts, you must register as an employer with the Danish Business Authority (Erhvervsstyrelsen) via Virk.dk and obtain a SE/CVR number if you do not already have one. You must also register for payroll tax reporting (eIndkomst) with the Danish Tax Agency (Skattestyrelsen). Without this registration you cannot correctly report salary, tax (A‑skat) and labour market contributions (AM‑bidrag).

Danish law distinguishes between employees and self‑employed contractors. Employees work under your instruction, use your tools, and are integrated into your business; they are protected by employment legislation and collective agreements. Misclassifying an employee as a contractor can lead to retroactive tax, social contributions, holiday pay, and possible fines. If in doubt, obtain professional advice before signing any agreement.

Employment contracts and mandatory information

Most employees in Denmark are entitled to a written employment contract or employment statement. If the average working time is more than 3 hours per week over a 4‑week period, you must provide written information about the key terms of employment no later than 7 calendar days after the employee starts.

The contract must at least include:

• Identity of employer and employee
• Place of work and job title or job description
• Start date and, if applicable, end date for fixed‑term employment
• Working hours (weekly hours and distribution if possible)
• Salary, benefits, pension contributions, and payment dates
• Holiday entitlement and reference to the Danish Holiday Act or a collective agreement
• Notice periods for termination
• Reference to any applicable collective agreement (overenskomst)

If your sector is covered by a collective agreement, you must follow its rules on minimum wages, overtime, supplements, and special leave. Even if you are not formally a party to a collective agreement, some rules may still influence what is considered “reasonable” terms in your industry.

Working hours, rest periods, and overtime

Under Danish and EU rules, the average working time must not exceed 48 hours per week over a 4‑month reference period, including overtime. Employees are entitled to at least 11 consecutive hours of rest within each 24‑hour period and at least 24 hours of weekly rest, which should normally fall on a Sunday.

There is no single statutory minimum wage in Denmark, but many sectors have collectively agreed minimum rates. When you set working hours and pay, you must ensure that the total package is fair and in line with industry standards. If you require evening, night, weekend, or public holiday work, the conditions and any supplements should be clearly stated in the contract.

Holiday, public holidays, and leave

The Danish Holiday Act (Ferieloven) gives employees the right to 5 weeks of paid holiday per holiday year. Employees earn 2.08 days of paid holiday for each month of employment, and under the current “concurrent holiday” system they can usually take holiday as they earn it.

As an employer, you must:

• Accrue and pay holiday pay (feriepenge) for employees who are not paid during holiday, typically 12.5% of the qualifying salary, to a holiday fund such as FerieKonto or a recognised holiday scheme
• For employees with paid holiday, ensure that salary is paid during holiday and that any holiday supplements are handled correctly
• Keep accurate records of earned and taken holiday

In addition, employees may be entitled to paid or unpaid leave in connection with sickness, maternity and paternity leave, parental leave, and care responsibilities. The detailed rules and reimbursement options (for example via Udbetaling Danmark) depend on the specific situation and any collective agreement.

Payroll, tax withholding, and social contributions

Once you have employees, you must run payroll correctly each pay period. This includes:

• Withholding A‑tax (A‑skat) based on each employee’s tax card (skattekort)
• Withholding labour market contribution (AM‑bidrag) of 8% of the gross salary before A‑tax
• Reporting all salary, benefits, and withholdings monthly to eIndkomst
• Paying the withheld A‑tax and AM‑bidrag to Skattestyrelsen by the statutory deadlines

In addition to tax and AM‑bidrag, you must pay mandatory labour market contributions such as ATP (Arbejdsmarkedets Tillægspension). For full‑time employees, the ATP contribution is a fixed amount per month, shared between employer and employee, with the employer paying the larger share. You may also be required or expected to contribute to occupational pension schemes depending on your sector and any collective agreement.

Benefits in kind, such as company car, free phone, or internet, are usually taxable and must be reported as part of the salary. You must keep detailed payroll records and store them securely for the period required by Danish law.

Work environment, health and safety

Even as a small sole proprietor, you are responsible for ensuring a safe and healthy work environment under the Danish Working Environment Act. This applies whether employees work at your premises, at a client’s site, or from home.

Your obligations include:

• Assessing and preventing physical and psychological risks at work
• Providing necessary training, instructions, and protective equipment
• Ensuring that equipment and premises meet safety standards
• Reporting serious accidents and occupational injuries to the authorities

If you have at least 10 employees, you must establish a formal health and safety organisation (arbejdsmiljøorganisation). Even with fewer employees, the Danish Working Environment Authority (Arbejdstilsynet) can inspect your business and issue orders or fines if you do not comply.

Insurance and industrial injury coverage

When you employ staff, you must take out industrial injury insurance (arbejdsskadeforsikring) with a private insurance company approved to provide this coverage in Denmark. This insurance covers employees in case of work‑related accidents and occupational diseases.

In many cases, it is also advisable to take out additional business and liability insurance, for example professional liability, product liability, or extended accident insurance, depending on the nature of your business and the risks your employees face.

Non‑discrimination, equal treatment, and personal data

Danish and EU rules prohibit discrimination in recruitment, employment, and dismissal on grounds such as gender, age, disability, race or ethnic origin, religion or belief, sexual orientation, and political views. Job advertisements, selection processes, and employment conditions must be objective and fair.

You must also comply with the General Data Protection Regulation (GDPR) when handling employee data. This includes collecting only necessary information, storing it securely, limiting access, and informing employees about how their data is processed. Employment contracts, payroll records, and personnel files must be handled in line with your privacy policy and legal retention periods.

Termination, notice periods, and documentation

Terminating an employee in Denmark must be done carefully. For salaried employees covered by the Salaried Employees Act (Funktionærloven), statutory minimum notice periods apply and increase with seniority. For hourly workers and other employees, notice periods may be set by contract or collective agreement, but dismissals must still be reasonable and not discriminatory.

As an employer, you should:

• Ensure that the contract clearly states notice periods for both parties
• Document performance issues, warnings, and any relevant conversations
• Follow any procedural requirements in collective agreements
• Pay outstanding salary, holiday pay, and other entitlements on termination

Unfair or unlawful dismissal can lead to compensation claims, so it is often wise to seek advice from an accountant or legal specialist before ending an employment relationship.

How a Danish accountant can help you as an employer

Managing employees as a sole proprietor in Denmark involves more than just paying a monthly salary. You must navigate complex rules on contracts, working time, holiday, payroll taxes, social contributions, and work environment. A Danish accountant with experience in employment matters can help you:

• Register correctly as an employer and set up payroll systems
• Calculate and report A‑tax, AM‑bidrag, ATP, and other contributions
• Structure employment contracts in line with Danish law and sector practice
• Keep compliant records and prepare for potential inspections

With the right support, you can focus on growing your sole proprietorship while ensuring that your employees are treated fairly and that your business complies with all Danish employment law requirements.

Data Protection (GDPR) and Confidentiality Obligations for Small Business Owners

As a sole proprietor in Denmark, you are fully responsible for complying with EU General Data Protection Regulation (GDPR) and the Danish Data Protection Act, even if you run a very small business or work from home. The rules apply as soon as you process personal data about identifiable individuals – for example customers, newsletter subscribers, employees, or suppliers who are sole traders.

What counts as personal data in your business

Personal data is any information that can identify a person directly or indirectly. In a typical Danish sole proprietorship, this often includes:

• Customer details such as name, address, email, phone number and CPR or CVR when dealing with sole traders
• Payment and invoicing information, including bank details and transaction history
• Employment data if you hire staff, such as contracts, salary information, tax details and absence records
• Online identifiers, for example IP addresses, cookies and user IDs from your website or webshop

If you process special categories of data (for example health information, union membership or religious beliefs), stricter rules apply and you usually need a clear legal basis and additional safeguards.

Legal basis and data minimisation

Under GDPR you must always have a legal basis for processing personal data. For a sole proprietorship in Denmark, the most common legal bases are:

• Contract – processing necessary to perform a contract with a customer or employee
• Legal obligation – processing required by Danish law, for example bookkeeping rules or tax reporting to Skattestyrelsen
• Legitimate interest – for example basic customer administration or limited marketing to existing customers, provided their rights are respected
• Consent – for activities such as email marketing to new contacts or use of non-essential cookies

You must also follow the principle of data minimisation: collect only the data you genuinely need, keep it accurate and up to date, and avoid storing it longer than necessary for the purpose and for statutory retention periods.

Privacy notices and transparency

GDPR requires you to inform individuals clearly about how you use their data. As a Danish sole proprietor you should, as a minimum:

• Publish a concise privacy notice on your website and, where relevant, provide it directly to customers and employees
• Explain what data you collect, for what purposes, on what legal basis and how long you keep it
• List any categories of recipients (for example your accountant, IT providers, payment providers or public authorities)
• Describe the rights of data subjects, including access, rectification, erasure, restriction, objection and data portability
• Provide contact details for data protection queries and complaints, including a reference to Datatilsynet as the supervisory authority

Data subject rights and handling requests

Individuals have extensive rights under GDPR. As a small business owner you must have simple procedures to:

• Provide a copy of personal data on request, normally within one month
• Correct inaccurate or incomplete information
• Delete data when there is no longer a legal basis to keep it, subject to Danish bookkeeping and tax retention rules
• Stop or limit processing in certain situations, for example when someone objects to direct marketing

You should document how you handle such requests and keep a record of decisions, especially when you refuse or limit a request due to legal obligations.

Security measures and confidentiality

GDPR requires you to implement “appropriate technical and organisational measures” to protect personal data. For a sole proprietorship in Denmark, this typically includes:

• Using strong, unique passwords and two-factor authentication for email, accounting systems and cloud services
• Encrypting laptops, smartphones and storage devices that contain customer or employee data
• Restricting access to data to only those who need it – including external bookkeepers or assistants
• Regularly updating software and using reputable antivirus and firewall solutions
• Storing paper documents in locked cabinets and shredding them securely when no longer needed

Confidentiality is not only a technical issue. You should also:

• Include confidentiality clauses in contracts with employees, freelancers and subcontractors
• Ensure that anyone who helps you with bookkeeping, payroll or IT understands their duty of secrecy
• Avoid discussing sensitive customer information in public places or via unsecured channels

Data processing agreements with suppliers

If you use external service providers who process personal data on your behalf – for example cloud accounting software, payroll providers, newsletter platforms or IT support – GDPR requires a written data processing agreement (DPA). This agreement must, among other things:

• Describe the subject, duration, nature and purpose of the processing
• Specify the types of personal data and categories of data subjects
• Set out security requirements and rules for sub-processors and data transfers outside the EU/EEA
• Ensure that the processor assists you in fulfilling GDPR obligations, including data subject rights and breach notifications

Many standard Danish and international cloud services already provide DPAs, but you remain responsible for checking that they meet GDPR and Danish requirements.

Data transfers outside the EU/EEA

If your business tools store or access data from countries outside the EU/EEA – for example US-based cloud services – you must ensure a valid transfer mechanism under GDPR. This may include:

• Using providers covered by an adequacy decision from the European Commission
• Signing the latest Standard Contractual Clauses (SCCs) and assessing the level of protection in the destination country

As a sole proprietor, you should review where your data is physically stored and ask your providers for clear documentation of their transfer arrangements.

Data breaches and incident response

A personal data breach can be anything from a lost laptop to sending an invoice with CPR information to the wrong recipient. You should have a simple internal procedure to:

• Identify and contain the incident quickly
• Assess the risk to affected individuals
• Document what happened, the data involved and the measures taken

If the breach is likely to result in a risk to the rights and freedoms of individuals, you must notify Datatilsynet without undue delay and, where feasible, within 72 hours after becoming aware of it. In serious cases you may also have to inform the affected individuals directly.

Retention periods and deletion routines

Danish bookkeeping rules generally require you to keep accounting records, including invoices and documentation, for at least five years after the end of the financial year. Beyond such statutory requirements, you should define clear retention periods for other categories of personal data, for example:

• Customer data kept for a defined period after the end of the customer relationship
• Job applications deleted after a short, specified period unless you have consent to keep them longer
• Marketing lists regularly cleaned to remove inactive or withdrawn contacts

Implement practical routines for deleting or anonymising data once retention periods expire, both in digital systems and in physical archives.

Website, cookies and online marketing

If you operate a website or webshop, you must comply with GDPR and Danish cookie rules. This typically means:

• Providing a clear cookie banner and obtaining consent before setting non-essential cookies, such as analytics or marketing cookies
• Allowing users to withdraw or change their cookie preferences easily
• Ensuring that your privacy and cookie policies are consistent and easy to understand

For email marketing, you must normally obtain prior consent from individuals before sending newsletters or promotional messages, and every message must include an easy unsubscribe option. Limited exceptions may apply for marketing to existing customers where Danish marketing law conditions are met.

When you need a Data Protection Officer

Most sole proprietors in Denmark do not need to appoint a formal Data Protection Officer (DPO). However, if your core activities involve large-scale monitoring of individuals or large-scale processing of sensitive data, you may be required to designate a DPO or at least obtain specialised legal and technical advice. Even without a DPO, you should document your GDPR compliance efforts in a simple internal register.

How an accountant can help with GDPR and confidentiality

A Danish accountant familiar with small businesses can support you by:

• Reviewing your bookkeeping and payroll processes to ensure they meet GDPR and Danish confidentiality requirements
• Helping you choose compliant accounting and payroll systems and setting up appropriate access controls
• Assisting with data processing agreements and documentation of your processing activities
• Advising on retention periods that balance tax and bookkeeping rules with data protection principles

By integrating GDPR and confidentiality into your daily financial routines, you reduce legal risk, protect your customers and employees, and strengthen the credibility of your sole proprietorship in Denmark.

Industry-Specific Licenses and Permits for Sole Proprietorships in Denmark

Many sole proprietorships in Denmark can operate with only a general business registration, but a wide range of activities require specific licenses, permits or notifications to Danish authorities. Failing to obtain the correct authorisations can lead to fines, closure orders and, in serious cases, criminal liability. Below is an overview of the most common industry-specific requirements that affect self-employed individuals and small one-person businesses.

Food, cafés, catering and hospitality

If your sole proprietorship handles, prepares or sells food or beverages, you must register with the Danish Veterinary and Food Administration (Fødevarestyrelsen) before starting operations. This applies to restaurants, cafés, food trucks, catering, bakeries, online food sales and importers of food products.

Key points include:

• Food business registration and approval of premises, including layout, storage and hygiene facilities
• Compliance with HACCP-based self-monitoring (egenkontrol) and documented procedures for cleaning, temperature control and traceability
• Mandatory food hygiene training for you and any staff handling food
• Correct labelling of prepacked food, including ingredients, allergens and nutritional information where required
• Display of the official Danish “smiley” inspection report at physical premises and online

If you serve alcohol on the premises (e.g. bar, café, restaurant), you may need a liquor licence from the local municipality and must comply with rules on serving hours, noise and protection of minors.

Health, beauty and personal care services

Sole proprietors offering health-related or body-contact services must comply with specific professional and health regulations. This includes:

• Authorised healthcare professions (e.g. doctors, dentists, nurses, physiotherapists, chiropractors, psychologists): you must hold the relevant Danish authorisation and follow rules set by the Danish Patient Safety Authority (Styrelsen for Patientsikkerhed), including patient records, consent and reporting obligations.
• Alternative therapists (e.g. acupuncturists, massage therapists, reflexologists): some titles are regulated, and certain invasive procedures may require special approval or health authority notification.
• Tattooing and piercing: tattoo studios and similar businesses must be registered with the Danish Safety Technology Authority (Sikkerhedsstyrelsen) and comply with strict hygiene, age and product rules.
• Hairdressers, beauty salons and nail studios: while the profession itself is not strictly licensed, you must comply with workplace health and safety rules, chemical handling regulations and, in some municipalities, local requirements for waste disposal and ventilation.

Construction, crafts and technical trades

Many construction-related activities can be carried out as a sole proprietor, but certain trades require authorisation or certification:

• Electricians and electrical installation companies: electrical work on fixed installations generally requires authorisation from the Danish Safety Technology Authority. You must meet qualification requirements and have documented quality assurance systems.
• Plumbers and gas installers: installation and service of gas, water and heating systems often require specific authorisations and compliance with technical standards.
• Scaffolding, demolition and asbestos work: these activities are subject to strict occupational health and safety rules, including mandatory training, risk assessments and, for asbestos, special permits and notification to the Danish Working Environment Authority (Arbejdstilsynet).
• Construction companies working as main contractors: you must comply with building regulations, obtain building permits from the municipality for structural work and ensure that subcontractors also meet legal requirements.

Transport, logistics and passenger services

If your sole proprietorship transports goods or passengers for payment, you may need a transport licence:

• Taxi and limousine services: require a taxi licence and compliance with local municipal rules, vehicle standards, driver qualifications and digital registration of trips and fares.
• Commercial goods transport by road: if you transport goods for others using vehicles above certain weight thresholds, you may need a national or EU road haulage licence and must comply with driving/rest time rules and tachograph requirements.
• Courier and delivery services: depending on vehicle size and type of goods, you may need specific permits, especially for dangerous goods (ADR) or cross-border transport.

Retail, e-commerce and import/export

Most retail and online shops can operate with standard business registration, but additional permits apply in specific cases:

• Pharmaceuticals, medical devices and certain health products: sales are tightly regulated and may require authorisation from the Danish Medicines Agency (Lægemiddelstyrelsen).
• Alcohol and tobacco: wholesale and certain retail activities require registration with the Danish Tax Agency (Skattestyrelsen) for excise duties, and you must comply with age verification and marketing restrictions.
• Weapons, fireworks and hazardous products: require permits from the police or the Danish Safety Technology Authority and strict storage and sales rules.
• Import and export of controlled goods: some products (e.g. dual-use items, chemicals, food, live animals) require special licences, veterinary checks or customs authorisations when trading with countries outside the EU.

Financial, legal and regulated advisory services

Several advisory and financial activities are subject to licensing, registration or professional regulation:

• Financial services, investment advice and insurance mediation: may require authorisation or registration with the Danish Financial Supervisory Authority (Finanstilsynet), including capital requirements, fit-and-proper tests and ongoing reporting.
• Real estate agents: must meet education and registration requirements and comply with consumer protection rules.
• Lawyers and certain legal services: the title “advokat” is protected and requires membership of the Danish Bar and Law Society (Advokatsamfundet). Non-lawyers must be careful not to present themselves as authorised advocates.
• Accounting and bookkeeping services: while basic bookkeeping assistance is less regulated, statutory audit and certain assurance services can only be provided by approved auditors. Anti–money laundering rules may apply to accountants, tax advisers and company service providers.

Hospitality, tourism and entertainment

If your sole proprietorship operates in tourism, events or entertainment, you may need additional permits:

• Hotels, hostels, B&B and short-term rentals: must comply with fire safety, building regulations and, in some municipalities, local registration or notification rules.
• Event organisers, festivals and concerts: may require permits for public events, temporary structures, noise, serving alcohol and road closures from the municipality and police.
• Travel agencies and package tour organisers: may need registration and participation in guarantee schemes to protect consumers’ prepayments.

Environmental, waste and energy-related activities

Businesses that impact the environment are subject to special rules, even when run as a one-person company:

• Waste collection, recycling and handling of hazardous waste often require municipal permits and registration as a waste carrier.
• Car repair shops, paint shops and similar trades must comply with environmental permits for emissions, noise and waste management.
• Renewable energy projects (e.g. solar or wind installations) may require building permits, grid connection agreements and environmental assessments.

How to check which licenses your sole proprietorship needs

Because Danish regulation is detailed and sector-specific, you should always verify the exact requirements for your planned activity before you start trading. A practical approach is to:

1. Identify your main business activities and any secondary services you plan to offer.
2. Check guidance from relevant authorities such as the Danish Business Authority, Danish Veterinary and Food Administration, Danish Safety Technology Authority, Danish Working Environment Authority and your local municipality.
3. Review whether your profession is regulated (authorisation, protected title, mandatory education or membership of a professional body).
4. Consider cross-border aspects if you will serve customers in other EU/EEA countries, as additional notifications or licences may be required.

Working with a Danish accountant or adviser experienced in your industry can help you map all applicable licenses and permits, integrate them into your business plan and avoid costly compliance mistakes as your sole proprietorship grows.

Banking Requirements and Setting Up a Business Bank Account in Denmark

Opening and managing a business bank account is a practical necessity for operating a sole proprietorship in Denmark. While you are not legally required to separate your business and personal finances, Danish banks, the tax authorities (Skattestyrelsen) and the Danish Business Authority (Erhvervsstyrelsen) strongly expect clear separation, especially once you are registered for VAT or have employees. A dedicated business account also helps you document income and expenses, which is crucial during tax audits and for obtaining financing.

Do you need a separate business bank account as a sole proprietor?

In a sole proprietorship, there is no legal separation between you and your business, but in practice a separate business account is highly recommended. Many Danish banks will require you to open a business account if you:

• are registered with Erhvervsstyrelsen (CVR number)
• are registered for VAT (moms)
• pay salaries to employees (A-income)
• accept card payments or online payments through payment gateways

Keeping business transactions in a separate account makes it easier to comply with bookkeeping rules, prepare your annual tax return and VAT returns, and demonstrate the legitimacy of your business to banks and authorities.

Requirements from Danish banks (KYC and AML rules)

Danish banks are subject to strict “Know Your Customer” (KYC) and anti–money laundering (AML) rules. This means that opening a business account is not automatic, even for small sole proprietors. You should be prepared to provide at least:

• valid ID (passport or national ID card) and proof of address
• your CPR number and, if applicable, your CVR number
• a description of your business model, products or services, and target markets
• expected annual turnover and typical transaction sizes
• information about any cross-border activities, especially outside the EU/EEA

Banks will assess the risk profile of your business. Activities involving cash-intensive trades, cryptoassets, or high-risk countries may face more questions or even refusal. It is important to answer all questions accurately and consistently with your registrations at Erhvervsstyrelsen and Skattestyrelsen.

Typical features and costs of a Danish business bank account

Business accounts in Denmark usually come with a monthly fee, unlike many personal accounts. Depending on the bank and package, you can expect:

• a fixed monthly account fee, often in the range of a few hundred DKK
• fees for international transfers and currency exchange
• charges for business payment solutions (e.g. card terminals, online payment gateways)
• separate fees for a business payment card (debit or credit)

Interest rates and fees can change, so you should compare offers from several banks. For many sole proprietors, the most important criteria are low fixed costs, easy online banking, and good integration with accounting software.

Using NemKonto, NemID/MitID and e-Boks with your bank

Every person and every business in Denmark must have a NemKonto, which is the account used by public authorities to pay out refunds and benefits. As a sole proprietor, your NemKonto can be either a personal or a business account, but using your business account as NemKonto for business-related payments (such as VAT refunds) improves transparency.

You will use MitID (which has replaced NemID) to log in to your online banking and to public portals such as TastSelv Erhverv. Official messages from authorities, including Skattestyrelsen and Erhvervsstyrelsen, are sent to your e-Boks, so you should ensure that your bank account details and contact information are always up to date across these systems.

Integrating your bank account with bookkeeping and invoicing

Danish bookkeeping rules require you to keep accurate and timely records of all business transactions. Most modern accounting systems used in Denmark offer direct bank integration, allowing you to:

• import bank transactions automatically on a daily basis
• match payments with invoices and expenses
• reconcile your bank account regularly to detect errors or missing entries

This integration reduces manual work, lowers the risk of mistakes and makes it easier to prepare VAT returns and annual accounts. When choosing a bank, check whether it supports direct integration or standard formats that your accounting software can import.

Handling payments, cards and merchant services

If you accept card payments or online payments, you will usually need additional agreements besides the basic business account. These can include:

• a card terminal agreement for in-person payments
• a merchant agreement for online card payments
• integration with MobilePay or other mobile payment solutions

Each of these services has its own fees, such as transaction fees and terminal rental. For a small sole proprietorship, it is important to estimate your expected number and size of transactions and choose the most cost-effective solution. Your accountant can help you compare the total cost of different payment providers.

Foreign currency and cross-border banking

If you trade with customers or suppliers outside Denmark, you may need to receive or send payments in foreign currencies. Danish banks typically offer:

• international transfers in EUR and other major currencies
• multi-currency accounts or sub-accounts
• business payment cards that can be used abroad

International transfers and currency conversion usually involve additional fees and exchange rate margins. For regular cross-border activity within the EU/EEA, it may be worth negotiating conditions with your bank or considering specialised payment providers, while still keeping a Danish business account as your main account for tax and reporting purposes.

Practical tips for choosing and managing your business bank account

When selecting a bank for your sole proprietorship, consider:

• total monthly and annual costs, including hidden fees
• quality of online and mobile banking in English or Danish
• availability of support and advice for small businesses
• compatibility with your accounting software and payment solutions

Once your account is open, use it consistently for all business income and expenses, avoid mixing private and business transactions, and reconcile the account regularly. This will make your bookkeeping more reliable and help you demonstrate compliance if Skattestyrelsen or your bank requests documentation.

A well-chosen and properly managed business bank account is a cornerstone of financial control and legal compliance for any sole proprietorship in Denmark. Working closely with an accountant can help you set up the right banking structure from the start and keep it aligned with your tax and reporting obligations as your business grows.

Obligations Related to Digital Reporting and Use of NemID/MitID and e-Boks

Running a sole proprietorship in Denmark means you are expected to handle almost all communication with public authorities digitally. This includes using NemID/MitID for secure login, e-Boks for receiving official letters, and various online systems for digital reporting. Understanding how these tools work and what your obligations are will help you avoid missed deadlines, fines and unnecessary administrative hassle.

NemID and MitID – secure digital identification

MitID is the current national digital ID solution in Denmark and is used to log in to public self-service platforms, online banking and many private services. NemID is being phased out and replaced by MitID, so new sole proprietors should focus on obtaining and using MitID.

As a sole proprietor, you will typically need:

• MitID for private use – linked to your CPR number, used for personal tax matters and some business-related logins when you operate under your own CPR
• MitID Erhverv (business) – linked to your CVR number, used to access business self-service solutions, such as virk.dk, TastSelv Erhverv and other authority portals

You are responsible for keeping your MitID credentials secure and up to date. If you change phone number, lose your device or suspect misuse, you must update or block your MitID immediately through the official channels.

e-Boks – mandatory digital mailbox for official communication

Most communication from Danish authorities to both individuals and businesses is sent through a digital mailbox. For sole proprietors, this will typically be:

• your private e-Boks (linked to CPR) for personal and some business-related messages, especially if you run the business in your own name
• a business digital mailbox (linked to CVR) for company-related messages, if a separate business mailbox is set up

Authorities such as the Danish Tax Agency (Skattestyrelsen), the Danish Business Authority (Erhvervsstyrelsen), municipalities and pension or insurance schemes will normally send letters, decisions, reminders and payment information via e-Boks instead of regular post.

As a sole proprietor you must:

• ensure that your e-Boks is activated and correctly linked to your CPR and, where relevant, your CVR
• log in regularly to read new messages and attachments
• update your contact details (email, phone) so you receive notifications about new messages

Missing an important letter in e-Boks does not exempt you from deadlines or obligations. Decisions and deadlines are considered notified once the message is delivered to your digital mailbox.

Digital reporting to the Danish Tax Agency (Skattestyrelsen)

Most tax and VAT obligations for sole proprietors must be fulfilled online through TastSelv and related systems. Key digital reporting duties include:

• Registration and updates – you register your sole proprietorship, VAT (moms), payroll tax (A-skat and AM-bidrag) and other schemes via virk.dk and TastSelv Erhverv
• VAT returns (momsangivelse) – if you are VAT-registered, you must submit VAT returns digitally for each period. Small sole proprietors are usually placed on a quarterly or half-yearly reporting schedule, while higher turnover can lead to monthly reporting
• Payroll and withholding tax – if you have employees, you must report A-skat, labour market contributions (AM-bidrag) and ATP contributions digitally via eIndkomst each month
• Income tax for the owner – your business profit is taxed as personal income. You report expected income in your preliminary income assessment and final figures in your annual tax return (årsopgørelse/udvidet selvangivelse) through TastSelv

Deadlines for VAT, payroll and income tax reporting are strict. Late or missing digital submissions can lead to automatic fines, interest and estimated assessments. It is therefore important to set reminders and keep your bookkeeping up to date so you can report correctly and on time.

Use of virk.dk and other self-service solutions

Virk.dk is the central online portal for businesses in Denmark. As a sole proprietor, you use virk.dk to:

• register your business and update information such as address, industry code and contact details
• register for VAT, import/export schemes and other mandatory registrations
• file various notifications and applications, for example for certain licenses or changes in business activities

Access to virk.dk and related self-service solutions typically requires MitID Erhverv. You should ensure that you, and any authorised representatives such as your accountant, have the correct roles and permissions set up in the system.

Granting access to your accountant or adviser

Many sole proprietors choose to give their accountant or bookkeeper digital access to tax and reporting systems. This can significantly reduce the risk of errors and missed deadlines.

You can grant access by:

• setting up roles and permissions in MitID Erhverv so your accountant can log in on behalf of your business
• authorising your adviser in TastSelv Erhverv to handle VAT returns, income reporting and other filings

Even when you delegate tasks, you remain legally responsible for the accuracy and timeliness of all digital submissions. It is therefore important to maintain clear agreements with your accountant about who does what and by which deadlines.

Archiving and documentation in a digital environment

Danish law requires that you keep accounting records, invoices and supporting documentation for a number of years, typically at least five years from the end of the financial year. As a sole proprietor working digitally, this means you should:

• store invoices, bank statements and contracts in a secure digital archive
• ensure that files are backed up and accessible for potential tax audits
• keep copies of important letters and decisions received via e-Boks, especially those related to tax, VAT, licenses and inspections

Digital archiving must comply with data protection rules and ensure that information cannot be altered without trace. Using professional accounting software and secure cloud storage can help you meet these requirements.

Practical tips for staying compliant with digital obligations

To manage your digital obligations effectively as a sole proprietor in Denmark, it is advisable to:

• activate MitID and, where relevant, MitID Erhverv as soon as you start your business
• check e-Boks at fixed intervals, for example weekly, and always after key reporting periods
• use a calendar or task management system to track VAT, tax and reporting deadlines
• implement reliable bookkeeping routines so that figures are ready when you need to submit digital reports
• consider involving an accountant who is familiar with Danish digital reporting systems and can handle filings on your behalf

By taking your digital reporting duties seriously and using NemID/MitID and e-Boks correctly, you create a solid foundation for compliant and efficient operation of your sole proprietorship in Denmark.

Health and Safety Requirements for Home-Based and On-Site Sole Proprietorships

In Denmark, health and safety rules apply not only to large companies, but also to sole proprietors, including those working from home. Your obligations depend primarily on whether you have employees and what type of work you perform, but the Danish Working Environment Act (arbejdsmiljøloven) and guidance from the Danish Working Environment Authority (Arbejdstilsynet) set the overall framework.

When Health and Safety Rules Apply to Sole Proprietors

If you run your business entirely alone and do not hire employees, the Working Environment Act generally does not apply to you as an employer. However, you are still covered by product safety rules, fire safety rules, environmental regulations and any sector-specific requirements (for example, food handling or construction). As soon as you hire even one employee, the full employer obligations under Danish health and safety law apply to your business, regardless of whether you operate from home or on external sites.

Home-Based Sole Proprietorships

For home-based businesses, you must ensure that your workspace is safe and suitable for the type of work you perform. If you have employees working at your private address, the home office or workshop is considered a workplace and must comply with the Working Environment Act. Key aspects include:

• Safe access and escape routes in case of fire, including clear exits and functioning smoke alarms according to local fire regulations
• Ergonomic workstations for computer-based work, with suitable chairs, desks and screen placement to reduce strain injuries
• Adequate lighting and ventilation, especially if you work with chemicals, dust or noise-generating equipment
• Safe storage of tools, chemicals and materials so they do not pose a risk to you, employees or household members
• Clear separation between private and business areas where possible, particularly if customers or suppliers visit your home

If your home-based business involves activities with higher risk (for example, small-scale production, crafts, repair work or storage of flammable materials), you may also need to comply with municipal fire regulations and obtain approvals from the local fire authority.

On-Site Work and Mobile Workplaces

Many Danish sole proprietors work at customer premises, construction sites or other external locations. If you have employees, you must ensure that their working conditions are safe, even when the workplace is controlled by a client or main contractor. This typically includes:

• Risk assessment of the tasks and environment before work begins, including use of ladders, scaffolding, machinery and electrical equipment
• Ensuring that employees receive necessary instructions, training and, where required, certifications (for example, for certain construction or electrical tasks)
• Provision and use of appropriate personal protective equipment (PPE), such as safety shoes, helmets, hearing protection, gloves or eye protection
• Coordination with other companies on site regarding safety rules, access routes and emergency procedures

In sectors such as construction, cleaning, transport, installation and maintenance, the Danish Working Environment Authority carries out inspections and can issue improvement notices or fines if conditions do not meet legal standards.

Risk Assessment and Written Workplace Assessment (APV)

If you employ staff, you are required to carry out a written workplace assessment (arbejdspladsvurdering, APV). The APV must identify physical, chemical, ergonomic and psychosocial risks and describe how you will prevent or reduce them. The APV must be updated regularly and when there are significant changes in your work processes, premises or equipment.

Even if you have no employees, preparing a simple risk assessment can help you avoid accidents and long-term health problems, and can be useful documentation for insurance purposes.

Workplace Instructions, Training and Documentation

As an employer, you must provide clear instructions and training to employees on how to perform their tasks safely. This includes:

• Written instructions for hazardous tasks, use of chemicals, machinery and tools
• Information on emergency procedures, first aid and fire safety
• Documentation of mandatory training, such as safety courses in construction or handling of specific equipment

For many small businesses, simple, well-structured procedures and checklists are sufficient, as long as they reflect the actual risks and are followed in practice.

Accident Reporting and Cooperation with Arbejdstilsynet

If an employee suffers a work-related accident or occupational disease, you must report it via the national reporting system (Easy) and to your occupational injury insurance. Serious accidents or incidents may trigger an inspection by the Danish Working Environment Authority. You are required to cooperate with the authority, provide requested documentation and implement any corrective measures within the deadlines set in their decisions.

Insurance and Occupational Injury Coverage

Sole proprietors with employees must take out occupational injury insurance (arbejdsskadeforsikring) to cover work-related accidents and diseases. Even if you have no employees, it is often advisable to take out voluntary occupational accident insurance for yourself, as you are not automatically covered as an employee would be. Depending on your sector, you may also need:

• Liability insurance to cover damage to third parties or their property
• Product liability insurance if you manufacture or sell products
• Business interruption insurance if an accident or fire prevents you from operating

Sector-Specific Health and Safety Rules

Certain industries in Denmark are subject to additional, detailed health and safety regulations. Examples include:

• Construction and crafts: rules on scaffolding, fall protection, lifting equipment, noise and dust
• Food businesses: hygiene rules, temperature control, cleaning and pest control, often supervised by the Danish Veterinary and Food Administration
• Hairdressers, beauty and wellness: rules on chemicals, ventilation and hygiene
• Transport and logistics: driving and rest time rules, load securing and vehicle safety

Before starting or expanding your activities, you should check whether your sector has specific guidelines or executive orders issued by Arbejdstilsynet or other authorities.

How an Accountant Can Help with Health and Safety Compliance

Although health and safety is primarily a legal and operational issue, it has direct financial and administrative consequences. An accountant familiar with Danish rules for sole proprietors can help you:

• Budget for mandatory insurance, safety equipment and training costs
• Set up simple procedures for documenting APV, accident reports and compliance-related expenses
• Integrate health and safety considerations into your overall risk management and business planning

By combining proper health and safety management with sound bookkeeping and tax planning, you reduce the risk of fines, compensation claims and unplanned downtime, and create a more sustainable foundation for your sole proprietorship in Denmark.

Cross-Border Activities: Operating as a Danish Sole Proprietor within the EU/EEA

Many Danish sole proprietors sell goods or services across borders within the EU/EEA. While the EU single market simplifies trade, cross-border activities still trigger specific registration, VAT and reporting obligations in Denmark. Understanding these rules early helps you avoid unexpected tax bills, double taxation or fines.

Providing services to customers in other EU/EEA countries

If you are established in Denmark and provide services to business customers (B2B) in other EU countries, the general rule is that the place of supply is where the customer is established. In practice this means:

• You usually do not charge Danish VAT on invoices to VAT-registered customers in other EU countries
• You must state the customer’s valid VAT number and the wording “reverse charge” (or local equivalent) on the invoice
• You must report these sales in the Danish EU-salg uden moms (EC Sales List) via TastSelv Erhverv

For services to private consumers (B2C) in other EU countries, the place of supply is often Denmark, so you normally charge Danish VAT. However, for certain digital services (e.g. apps, streaming, online courses delivered automatically), the place of supply is where the consumer is located. If your total annual B2C digital services to all EU countries exceed EUR 10,000 (excluding VAT), you must either:

• Register for VAT in each customer’s country, or
• Use the One Stop Shop (OSS) scheme via the Danish Tax Agency to declare and pay foreign VAT in a single quarterly return

Selling goods to customers in other EU/EEA countries

When you sell and ship goods from Denmark to business customers in other EU countries:

• Sales to VAT-registered customers in other EU countries are usually zero-rated for Danish VAT if the goods are transported out of Denmark
• You must obtain and keep evidence of transport (e.g. CMR, shipping documents)
• You must report these sales in the EC Sales List and in your Danish VAT return

For distance sales of goods to private consumers in other EU countries (e.g. via an online shop), the EU has a common annual threshold of EUR 10,000 (excluding VAT) for all cross-border B2C sales of goods and certain services combined. If your total cross-border B2C sales exceed this threshold:

• You must charge VAT at the rate applicable in the customer’s country, and
• You can use the OSS scheme in Denmark instead of registering for VAT in each country

Intra-Community acquisitions and imports

If you buy goods from VAT-registered suppliers in other EU countries for your Danish sole proprietorship, you normally account for Danish VAT under the reverse charge mechanism. You report the purchase and the corresponding Danish VAT in your VAT return, and you can usually deduct the VAT as input VAT if the purchase is fully business-related.

For imports of goods from outside the EU, Danish import VAT and any customs duties are normally due when the goods enter Denmark. You may be able to use postponed accounting for import VAT, where the VAT is reported and deducted in your regular VAT return instead of being paid at the border.

VAT registration thresholds and obligations

If your annual turnover from business activities in Denmark and abroad exceeds DKK 50,000 within a 12‑month period, you must register for Danish VAT. Once registered, you must:

• Charge Danish VAT on taxable supplies where Denmark is the place of supply
• File VAT returns on a monthly, quarterly or semi-annual basis, depending on your turnover
• Keep separate records of domestic sales, EU sales, exports and purchases

Cross-border activities often change your VAT profile, for example by triggering OSS registration or additional reporting of intra-Community supplies and acquisitions.

Permanent establishment and income taxation abroad

As a Danish-resident sole proprietor, you are generally subject to Danish income tax on your worldwide business profits. However, if you carry out activities in another country through a permanent establishment (for example, a fixed place of business, workshop, or a dependent agent with authority to conclude contracts), that country may also have the right to tax part of your profits.

Denmark has double tax treaties with many EU/EEA countries. These treaties typically:

• Define when a permanent establishment exists
• Allocate taxing rights between Denmark and the other country
• Ensure that the same income is not taxed twice, usually through a credit or exemption method in Denmark

If you regularly work on-site at clients’ premises abroad, maintain a warehouse, or hire staff in another country, you should assess whether a permanent establishment arises and whether you must register for tax or social security in that country.

Social security and A1 certificates

Within the EU/EEA, you are normally covered by the social security system of the country where you work. However, if you are based in Denmark and temporarily work in another EU/EEA country, you can often remain covered by Danish social security if you obtain an A1 certificate from Udbetaling Danmark. The A1 certificate proves that you pay social contributions in Denmark and not in the host country.

If you regularly work in two or more EU/EEA countries, special coordination rules determine which country’s social security system applies. This assessment depends on where you live, where your business is established and where you carry out a substantial part of your activity.

Cross-border employees and payroll obligations

If you hire employees who work in other EU/EEA countries, you may face payroll tax, social security and reporting obligations in those countries. Key points include:

• Assessing where the employee is tax resident and where the employment income is taxable
• Determining which country’s social security system applies and whether an A1 certificate is needed
• Registering as an employer abroad if required and operating foreign payroll or using a local payroll provider

In Denmark, you must still comply with Danish employer obligations such as reporting salaries to eIndkomst, withholding A-tax and AM-contribution where applicable, and observing Danish employment law for employees covered by Danish legislation.

Invoicing, documentation and language

For cross-border transactions, Danish law requires that your invoices contain specific information, including your CVR number, invoice date, sequential invoice number, description of goods or services, quantity, price, VAT rate and VAT amount where applicable. For intra-EU B2B supplies, you must also state the customer’s VAT number and any relevant wording such as “reverse charge”.

Invoices may be issued in a foreign language and currency, but you must be able to translate them for the Danish Tax Agency on request. VAT amounts must be convertible into Danish kroner using an acceptable exchange rate method, and your bookkeeping must clearly distinguish between domestic and foreign transactions.

Digital tools: NemID/MitID, TastSelv and e‑Boks

Even when you operate across borders, your primary interaction with Danish authorities remains digital. You will use:

• MitID Erhverv to log in to public self-service solutions
• TastSelv Erhverv to file VAT returns, EC Sales Lists and income tax information
• e‑Boks to receive official correspondence from the Danish Tax Agency and other authorities, including decisions related to cross-border activities

Keeping these digital channels up to date ensures you do not miss deadlines or important notifications related to your international operations.

Practical risk areas for cross-border sole proprietors

Common issues for Danish sole proprietors operating within the EU/EEA include:

• Incorrectly charging Danish VAT on sales that should be zero-rated or subject to reverse charge
• Failing to register for OSS when cross-border B2C sales exceed the EUR 10,000 threshold
• Overlooking the creation of a permanent establishment and related foreign tax obligations
• Not obtaining A1 certificates for temporary work abroad, leading to double social security claims
• Inadequate documentation of transport and cross-border supplies

Because cross-border rules are detailed and change over time, many sole proprietors choose to work with an accountant who understands both Danish and EU requirements. Professional advice can help you structure your activities efficiently, remain compliant in all relevant countries and make full use of available schemes such as OSS and double tax treaties.

Succession Planning, Sale, or Transfer of a Sole Proprietorship

Planning what happens to your sole proprietorship when you retire, become ill, or decide to sell is essential if you want to protect the value you have built and avoid unexpected tax or legal issues. In Denmark, a sole proprietorship (enkeltmandsvirksomhed) is not a separate legal entity from its owner, which has direct consequences for succession, sale, and transfer options.

Can a Danish sole proprietorship be sold or transferred?

You cannot transfer the sole proprietorship as a legal entity, because it is legally identical to you as a private person. However, you can transfer or sell:

• Individual assets (equipment, inventory, intellectual property, customer lists, domain names, etc.)
• Ongoing contracts and agreements, if counterparties consent
• The business activity as a going concern, typically combined with the buyer setting up their own CVR-registered business (often an ApS or a new sole proprietorship)

In practice, a “sale of the business” is structured as a sale of assets and goodwill, not a transfer of the CVR number. Your existing CVR number is personal and will normally be deregistered with the Danish Business Authority (Erhvervsstyrelsen) when you cease the activity.

Tax implications when selling a sole proprietorship

The sale of business assets and goodwill is taxable for you as the seller. Key elements include:

• Goodwill: The gain on goodwill is taxed as personal income. The gain is calculated as the sales price minus the tax value of the goodwill in your accounts. This can significantly affect your marginal tax rate, including top-bracket tax if your total personal income exceeds the applicable threshold.
• Depreciable assets: For machinery, equipment, and other depreciable assets, you must compare the sales price with the remaining tax value. A positive difference is taxable income; a negative difference may be deductible.
• Inventory: The sale of inventory is treated as business income and is subject to income tax and VAT if you are VAT-registered.
• Real estate: If you own business premises, the sale may trigger tax on property gains and recapture of depreciation. The tax treatment depends on whether the property is fully or partly used for business and how it is recorded for tax purposes.

VAT (moms) may apply to the sale of assets, but a transfer of a whole business or an independent part of a business to a VAT-registered buyer can, under certain conditions, be treated as a transfer of a going concern and be outside the scope of VAT. Whether this applies must be assessed carefully in each case.

Succession within the family

Transferring a sole proprietorship to a spouse, partner, or children is possible, but it is not automatic and must be structured correctly. Typical options include:

• Gift or sale on favourable terms: You can transfer assets and goodwill at a price below market value, but this may have gift tax and income tax consequences. The Danish rules on gift tax and inheritance tax (boafgift) will apply if the transfer is between close relatives.
• Conversion to a company before succession: Many owners first convert the sole proprietorship to a private limited company (ApS) through a tax-neutral business transfer (skattefri virksomhedsomdannelse) and then transfer shares in the company to family members over time. This can provide more flexibility and clearer separation between private and business finances.
• Spousal succession: In case of death, the surviving spouse can in some cases continue the business, but must register as the new owner and take over rights and obligations, including tax and VAT responsibilities.

Because the sole proprietorship is tied to you personally, a written succession plan is crucial. It should describe who will take over, how the transfer will be financed, and how tax and gift/inheritance issues will be handled.

Preparing the business for sale or transfer

To maximise the value of your sole proprietorship and make a sale or transfer smoother, it is important to:

• Keep up-to-date, accurate bookkeeping and annual accounts
• Document customer relationships, key contracts, and recurring revenue
• Separate private and business finances as clearly as possible, even if you are not legally required to have a separate business bank account
• Ensure that all registrations (VAT, import/export, excise duties, industry licences) are in order and can be transferred or re-applied for by the buyer
• Clarify ownership of intellectual property, trademarks, and domains

Potential buyers or successors will usually request several years of financial statements, tax returns, and documentation of any outstanding liabilities before agreeing on a price.

Formal steps when you cease or transfer your activity

When you sell or otherwise stop running your sole proprietorship, you must:

1. Notify the Danish Business Authority (Erhvervsstyrelsen) and deregister the business in the Central Business Register (CVR) via Virk.dk
2. Deregister for VAT, payroll tax, and other schemes with the Danish Tax Agency (Skattestyrelsen) as relevant
3. Submit final VAT returns and pay any outstanding VAT
4. Prepare final accounts and a final business tax statement, including gains or losses on the sale of assets and goodwill
5. Settle outstanding obligations to employees, suppliers, and other creditors
6. Archive accounting records and documentation for the statutory retention period, even after the business is closed

If the buyer continues the activity under a new CVR number, you should clearly document from which date they take over responsibility for contracts, employees, and ongoing obligations.

Why involve an accountant in succession and sale planning

Succession, sale, and transfer of a sole proprietorship in Denmark involve complex tax rules, valuation questions, and formal registrations. An experienced accountant can:

• Calculate the tax consequences of different transfer models and timing
• Help you value goodwill, assets, and the business as a whole
• Prepare the necessary financial statements and documentation for buyers, banks, and authorities
• Assist with tax-neutral conversion to a company if this is advantageous before a sale or family succession
• Ensure that deregistration, final VAT returns, and final tax statements are correct and submitted on time

With professional support, you can structure the succession, sale, or transfer of your sole proprietorship in a way that reduces tax, protects your family, and secures the continuity of the business you have built.

Common Compliance Mistakes and How to Avoid Fines and Penalties

Many sole proprietors in Denmark run into compliance issues not because they ignore the rules, but because the rules are complex and change regularly. Below are the most common mistakes that lead to fines, surcharges and interest – and what you can do to avoid them.

1. Late or Missing Registration with the Danish Business Authority and Tax Authorities

A frequent mistake is starting business activities before registering with the Danish Business Authority (Erhvervsstyrelsen) and the Danish Tax Agency (Skattestyrelsen). If you provide services or sell goods as a business on a continuous basis, you must register your sole proprietorship and obtain a CVR number before or at the start of activities.

Another common error is forgetting to register for VAT (moms) when you exceed the threshold. You must register for VAT when your taxable turnover exceeds DKK 50,000 over a 12‑month period. Operating above this limit without VAT registration can lead to assessments of unpaid VAT, surcharges and interest.

To avoid problems, monitor your turnover from the beginning and complete all registrations via Virk.dk as soon as you see that you are approaching the VAT threshold.

2. Incorrect or Incomplete VAT Handling

VAT errors are among the most common compliance issues for sole proprietors. Typical mistakes include:

• Charging VAT on exempt services (for example certain financial or health services)
• Failing to charge VAT on taxable sales once registered
• Deducting input VAT on private or mixed expenses without proper documentation
• Using the wrong VAT period (monthly, quarterly or half‑yearly) and missing deadlines

VAT returns must be submitted and paid on time for each period assigned to you by Skattestyrelsen. Late filing or payment can result in automatic surcharges and interest. Always keep invoices and receipts that support your input VAT deductions and ensure your accounting system is set up with the correct VAT codes.

3. Poor Bookkeeping and Missing Documentation

Danish law requires that you keep orderly accounts and retain documentation for at least five years. Common mistakes include:

• No clear separation between private and business expenses
• Missing or incomplete invoices and receipts
• Cash transactions not recorded on a daily basis
• Using personal bank accounts for business payments without proper records

Inadequate bookkeeping can lead to estimated tax assessments, disallowed deductions and penalties. To stay compliant, use a dedicated business bank account, record all transactions regularly and store digital copies of invoices and receipts in a structured way.

4. Mixing Personal and Business Finances

Even though a sole proprietorship is not a separate legal entity, tax and accounting rules require a clear distinction between business and private finances. Common pitfalls include paying private expenses directly from the business account or treating personal purchases as deductible costs.

Such practices increase the risk of tax adjustments and penalties. Maintain a separate business account, pay yourself private drawings instead of paying private bills directly from the business, and document all transfers between you and the business.

5. Underestimating Tax Prepayments and B‑Tax (B‑skat)

Many new sole proprietors underestimate their profits and therefore underpay B‑tax. In Denmark, self‑employed individuals typically pay tax and labour market contribution (AM‑bidrag) on account during the year based on expected income. If your actual income is significantly higher than estimated, you may face a large residual tax bill with interest and possible surcharges.

Review your expected profit regularly and adjust your preliminary income assessment (forskudsopgørelse) in TastSelv when your business grows. This helps you spread your tax payments over the year and reduces the risk of expensive residual tax.

6. Misclassifying Workers and Ignoring Employment Obligations

Some sole proprietors treat workers as independent contractors when, in reality, the relationship meets the criteria of employment under Danish law. Misclassification can trigger claims for unpaid holiday pay, social contributions and tax withholding.

If you hire employees, you must:

• Register as an employer with Skattestyrelsen
• Withhold A‑tax and AM‑bidrag from salaries
• Report salaries via e‑Income (eIndkomst)
• Pay ATP contributions and comply with holiday and employment legislation

Before engaging people to work for you, clarify whether they are employees or genuine independent contractors and set up the correct payroll and reporting routines.

7. Ignoring Deadlines for Annual Tax Returns and Financial Reporting

Another common compliance mistake is missing deadlines for the annual tax return (årsopgørelse/udvidet selvangivelse) and related business information. Sole proprietors must report business income and expenses in the extended tax return and submit it electronically via TastSelv.

Late filing can result in estimated assessments that may not reflect your actual situation, as well as daily fines until the correct information is submitted. Keep a calendar of all important deadlines for VAT, tax, employer reporting and any industry‑specific reporting obligations.

8. Non‑Compliance with Digital Requirements (MitID, e‑Boks and Digital Reporting)

In Denmark, most communication with public authorities is digital. Sole proprietors are required to use MitID for login and to receive official messages in e‑Boks. Common mistakes include not activating e‑Boks for the business, ignoring messages or failing to update contact details.

Missing a notice about a tax assessment, deadline or reminder because you do not check e‑Boks regularly does not exempt you from fines or interest. Log in frequently, enable notifications and ensure that your email and phone number are up to date.

9. Overlooking Industry‑Specific Licences and Safety Rules

Some trades in Denmark require special permits, authorisations or compliance with strict health and safety regulations. Operating without the necessary licence or ignoring Arbejdstilsynet (Danish Working Environment Authority) requirements can lead to orders, fines or even closure of your business.

Before you start, check whether your activity is regulated (for example food handling, construction, transport, healthcare or financial services) and obtain all required approvals. Keep documentation available in case of inspections.

10. Inadequate Data Protection and Confidentiality Practices

Even small sole proprietorships must comply with GDPR when processing personal data. Common mistakes include collecting more data than necessary, not informing customers properly, storing data insecurely or failing to sign data processing agreements with external providers.

Non‑compliance can lead to warnings, orders to change your practices and, in serious cases, significant fines. Map what personal data you collect, why you collect it, how long you keep it and who has access. Use secure systems, strong passwords and limit access to what is strictly necessary.

How to Systematically Avoid Fines and Penalties

To minimise compliance risks as a sole proprietor in Denmark, it is helpful to:

• Set up a simple but robust bookkeeping system from day one
• Use a separate business bank account and keep business and private expenses apart
• Monitor turnover and profit regularly to adjust VAT registration and tax prepayments
• Maintain a calendar with all VAT, tax, payroll and reporting deadlines
• Check e‑Boks and Skattestyrelsen’s messages frequently
• Review whether you need any licences, insurances or employment registrations
• Seek professional advice when you are unsure about VAT, deductions, employment status or GDPR

By building good routines early and keeping your documentation in order, you significantly reduce the risk of audits, corrections and penalties, and you can focus more of your time and energy on growing your business.

How an Accountant Can Support Compliance and Growth of a Sole Proprietorship in Denmark

An experienced accountant is one of the most valuable partners a sole proprietor in Denmark can have. Beyond basic bookkeeping, a Danish accountant helps you stay compliant with current rules, optimise your tax position and create a solid foundation for long‑term growth.

Ensuring compliance with Danish tax and VAT rules

For a sole proprietorship, business income is taxed together with your personal income. An accountant helps you structure and report this correctly so you are taxed under the most favourable scheme available to you, for example:

• choosing between the standard personal income taxation and the virksomhedsordningen (Business Tax Scheme) when it is beneficial
• planning your preliminary tax (forskudsopgørelse) so you avoid large year‑end adjustments and interest
• correctly separating A‑income, B‑income and business income in your annual tax return

For VAT (moms), an accountant makes sure you register when you exceed the current registration threshold and that you file on time according to your reporting frequency (monthly, quarterly or half‑yearly). They help you:

• apply the correct Danish VAT rate (25%) and identify VAT‑exempt activities
• handle reverse‑charge rules for cross‑border B2B services within the EU
• deduct input VAT correctly, including on mixed private and business expenses, cars and home office costs

By monitoring deadlines for VAT, income tax and labour‑related contributions, your accountant reduces the risk of fines, interest and audits from the Danish Tax Agency (Skattestyrelsen).

Setting up robust bookkeeping and digital reporting

Danish law requires that sole proprietors keep orderly accounts and retain documentation for a number of years. An accountant helps you choose and implement accounting software that integrates with NemID/MitID, e‑Boks and the systems of the Danish Tax Agency and Danish Business Authority (Erhvervsstyrelsen). This typically includes:

• setting up a chart of accounts tailored to your industry
• establishing routines for issuing invoices that meet Danish invoicing requirements
• implementing procedures for storing receipts and contracts in a compliant digital format
• preparing periodic management reports so you always know your revenue, costs and liquidity

With a clear and up‑to‑date bookkeeping system, you save time, make better decisions and are prepared if the authorities request documentation.

Optimising deductions, pension and social contributions

A Danish accountant knows which expenses you can deduct as a sole proprietor and how to document them. This may include:

• home office costs when part of your home is used for business
• travel and per diem allowances within the Danish rules
• car expenses, either via mileage rates or actual costs, depending on what is most advantageous
• equipment, tools and IT, including correct use of depreciation rules

They also help you plan voluntary pension contributions and private insurance (for example health, accident or loss‑of‑earnings insurance) so that your overall tax burden and social protection are balanced. This is particularly important because, as a sole proprietor, you are personally responsible for your financial security in case of illness, unemployment or retirement.

Support with employees, freelancers and payroll

If you hire staff, an accountant can set up and run your payroll in line with Danish employment and tax rules. This includes:

• registering as an employer and handling A‑tax and labour market contributions (AM‑bidrag)
• calculating holiday pay, overtime and benefits according to applicable agreements
• reporting salary information digitally to the authorities

For freelancers and subcontractors, an accountant helps you structure contracts and payments so that the relationship is correctly classified and you avoid unexpected employer obligations.

Guidance on growth, financing and risk management

Beyond compliance, a good accountant acts as a strategic advisor. For a growing sole proprietorship, they can:

• prepare budgets and cash‑flow forecasts to support investment decisions
• analyse profitability by product, service or customer segment
• advise on pricing, cost control and margin improvement
• help you prepare financial information for banks and investors when you apply for loans or credit lines

They also help you assess risks related to personal liability, recommend appropriate insurance and, when relevant, discuss whether it is time to change your legal form to a company with limited liability.

Planning for restructuring, succession or sale

As your business develops, you may want to convert your sole proprietorship into an ApS or A/S, bring in partners or prepare for a sale. An accountant can:

• evaluate the tax consequences of different restructuring options
• prepare the financial statements and documentation needed for a tax‑neutral transfer where possible
• support you in valuing the business and negotiating with potential buyers or partners

Early planning with an accountant helps you avoid unnecessary tax costs and ensures a smoother transition when your business changes shape.

Working with a Danish accountant gives a sole proprietor peace of mind that all legal and tax obligations are handled correctly, while freeing up time to focus on customers and growth. With the right advisor, your accounting becomes not just a compliance task, but a tool for building a stronger and more profitable business in Denmark.

Resources for Sole Proprietors in Denmark

Numerous resources are available to assist you in navigating the complexities of operating as a sole proprietor:

1. Danish Business Authority (Erhvervsstyrelsen): Offers guidance on registration, regulations, and compliance.

2. Virk.dk: The portal for all business-related registrations and filings in Denmark.

3. Local Business Networks: Connecting with local entrepreneurial communities can provide networking opportunities and support.

Accountants and Business Consultants: Engaging professionals can ease the burden of financial management and regulatory compliance.

By adhering to the outlined legal requirements and utilizing available resources, you can effectively establish and operate a sole proprietorship in Denmark. This path not only opens the door to entrepreneurship but also places you in a position to contribute positively to the Danish economy.