How to Get a Tax Return in Denmark: A Practical Guide for Expats 2026

Kristian Ole Rørbye

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Updated July 22, 2026

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The Basics of the Danish Tax System

You need a quick mental model before you start: Denmark uses progressive income tax, municipal tax varies by residence, and the system is highly digital. That means small mistakes early on (wrong tax card, missing deductions) are easy to fix – if you act promptly.

SKAT: The Pillar of Taxation in Denmark

Skattestyrelsen (formerly known as SKAT) is the national tax authority that handles registration, assessments and refunds. Use their official pages and your personal TastSelv (self-service) area to update income estimates, upload documents, and track refunds.

The Tax Year: A Calendar-Based System

The Danish tax year matches the calendar year (Jan 1-Dec 31). That simplifies timing: you estimate income for the calendar year in your forskudsopgørelse and the final reconciliation arrives after the year closes in the årsopgørelse.

Progressive Taxation: What It Means for You

Your effective rate depends on total taxable income. Taxes include national and municipal components plus small health contributions. If you get a pay raise or a second job, update your forskudsopgørelse to avoid under- or over-withholding.

VAT (moms): Indirect, but everywhere

VAT (moms) is charged on most goods and services – important if you run a business or claim certain business expenses. Consumers see it on receipts; businesses must register and report VAT separately.

Registering with SKAT

Registering correctly is the single most important administrative step for tax compliance and receiving refunds.

The Imperative of the Tax Card

Your tax card tells employers how much tax to withhold from your salary. Without the right card your employer may deduct at a higher default rate or you might underpay. The tax card covers main and secondary rates (for second jobs or extra income).

How to apply (practical steps)

1. Get a CPR number / tax ID if you don’t have one yet – see how to get your CPR number.
2. Register in the SKAT/TastSelv system and request your tax card online. You can also visit a local tax centre if needed.
3. Provide estimated annual income, expected deductions, and bank details for refunds.
4. Give the tax card details to your employer as soon as you start work; if you have a work permit, keep that information consistent with your payroll setup. See the rules for a work permit in Denmark.

Receipt and Usage

Once issued, your tax card will list the primary withholding rate and any secondary rate. If life changes (new salary, second job, marriage), update your forskudsopgørelse immediately – it’s how you avoid surprises at year-end.

Income and Taxation

Not all income is taxed the same. Know which categories apply to you so you can declare correctly and claim relevant deductions.

Types of Income: What to declare

• Salary: wages, bonuses, overtime – reported by employers.
• Benefits in kind: company car, housing, or other perks are taxable at market value.
• Rental income: from property you rent out.
• Investment income: dividends, interest, capital gains.
• Pensions and social benefits: some are taxable, some have special rules – always declare them.

The Progressive Mechanism and Local Variation

National brackets apply across Denmark, but municipal tax rates differ by municipality. Your net tax depends on both. If you move, update your address with SKAT and your municipality – see our guide on how to change address in Denmark.

Deductions and Credits

Two different tools reduce your tax bill: deductions lower taxable income; credits reduce the tax due directly. Use both where eligible.

Understanding Deductions

• Pension contributions: Many approved pension payments reduce taxable income.
• Union fees and A-kasse: These are commonly deductible.
• Interest expenses: Mortgage and loan interest is usually deductible.
• Transport deductions: If you commute beyond a certain distance, part of travel costs may be deductible – keep receipts and logs.

Credits: Direct reductions of tax

Examples include certain green credits and reliefs intended to avoid double taxation when you pay tax abroad. If you earn in multiple jurisdictions, research double taxation treaties or consult an advisor.

How to maximise deductions and credits

Record everything during the year, update your forskudsopgørelse when your situation changes, and run your numbers in TastSelv before the årsopgørelse locks in. If you’re new here, our New to Denmark guide has a checklist that helps with first-year tax items.

The Process of Tax Return in Denmark

The Danish system sends two main statements: the preliminary assessment (forskudsopgørelse) and the year-end assessment (årsopgørelse). Staying on top of both avoids surprises.

The Arrival of the Preliminary Income Assessment (forskudsopgørelse)

Each spring SKAT publishes your estimated assessment for the coming year. Treat this as your living tax plan – update it if income, deductions or family status change so withholding stays accurate.

The Year-end Tax Assessment (årsopgørelse)

After the year closes you receive the final reconciliation. It shows taxes paid vs taxes owed. If you paid too much, a refund is issued; if you underpaid, SKAT will request payment or set up instalments.

The Role of Documentation

Keep payslips, pension statements, interest certificates and receipts. SKAT can ask for proof. Organize records in a dedicated folder and scan paper documents into your TastSelv account.

Digital Efficiency

Most interactions happen in TastSelv/Skattestyrelsen. Use NemID/MitID authentication to log in, update your forskudsopgørelse, and check the årsopgørelse. Mobile apps and tax calculators help with quick checks, but always verify complex items in your TastSelv account.

Online Resources and Tools

Use official and reputable tools – they save time and reduce errors.

SKAT’s Official Website

The official pages contain guides, calculators and the TastSelv portal. Always start here for forms and up-to-date rules: skat.dk (Skattestyrelsen).

Tax in Denmark for Foreigners

SKAT publishes a specific guide for foreigners covering registration, tax residency, and common situations for students, researchers and employees.

International Community and Local Help

Expat organisations and local community groups run workshops on Danish tax. Peer Q&A can clarify common misunderstandings but double-check anything critical with official sources or a professional.

Independent Sites and Calculators

Sites such as our tax overview and independent portals explain complicated topics in plain English and host practical calculators for transport deductions, pension impacts and more.

Mobile Applications

Several apps provide quick checks or calculators – useful when you need a fast estimate on commute deductions or take-home pay. For final decisions always confirm in TastSelv.

Possible Challenges for Foreigners

Many expats run into the same issues: language, residency status, and double taxation. Knowing the pitfalls helps you avoid common mistakes.

Language Barrier

Official communications are increasingly available in English, but some letters and local notices may be in Danish. If a SKAT notice is unclear, ask for help or use a translator before ignoring deadlines.

Understanding Tax Residency

Residency determines whether you pay tax on worldwide income or only Danish income. Residency rules depend on length of stay, housing ties and intention. If your situation is unclear, document your days and ties to each country.

Managing Double Taxation

Denmark has tax treaties with many countries to prevent double taxation. You usually claim relief or credit for tax paid abroad – but you must file the right forms and keep proof of tax paid overseas.

Frequent Changes in Tax Rules

Tax law changes happen at budget time. Subscribe to official SKAT news or check with a tax advisor if you expect significant impacts from legislative updates.

Recognizing Deductions and Credits

Many expats miss deductions like work-related travel or local union fees. Review suggested deductions in TastSelv and maintain receipts during the year.

Leveraging Online Tools

Digital systems are fast but unforgiving with incorrect data. Keep your NemID/MitID secure and use two-factor authentication where possible.

Seeking Assistance

Community groups, employer HR teams, or international services can help with basic questions. For complex cross-border tax situations, consider a specialist.

Seeking Expert Help

Deciding when to hire a professional depends on complexity and risk. Professionals can save you more than they cost when the situation is complicated.

The Value of Professional Insight

A certified Danish tax advisor understands local rules, detects deductible items you might miss, and can represent you in communications with Skattestyrelsen.

When to get expert help

• You run a business or are self-employed in Denmark.
• You have income from multiple countries or property abroad.
• You face complex pension, inheritance, or large capital gains issues.
• You receive notices from Skattestyrelsen you don’t understand.

Choosing the right professional

Look for Danish certification, clear fee structures, and experience with international clients. Ask for references and an initial scope document that explains what they will deliver.

How to work with a tax advisor

Provide complete documentation, ask for timelines and deliverables, and keep yourself informed – an advisor acts for you, but you remain responsible for declarations submitted in your name.