How to File Company Tax in Norway

Filing company tax in Norway is a critical responsibility for every business owner operating in the country. Whether you manage a small company or a large enterprise, understanding how the system works helps you remain compliant, avoid penalties, and make smarter financial decisions.

Norway’s tax system is well-organized and transparent, but it can still feel complex if you’re unfamiliar with it. The good news is that once you understand the process step by step, it becomes much easier to handle.

In this comprehensive guide, you’ll learn exactly how to file company tax in Norway, explained in clear and practical language.

1. Understanding the Norwegian Corporate Tax System

Corporate taxation in Norway is administered by the Norwegian Tax Administration.

Companies operating in Norway must:

• File an annual tax return
• Pay corporate income tax
• Maintain accurate records

Corporate tax applies to:

• Business profits
• Investment income

2. What Is Considered a Company in Norway?

A company is a legal entity separate from its owners.

Common Types

• Private limited company (AS)
• Public limited company (ASA)
• Foreign companies operating in Norway

Companies must be registered with the Brønnøysund Register Centre.

3. Register for an Organization Number

Before filing taxes, your company must obtain an organization number.

• Issued upon registration
• Used for all business and tax activities

4. Understand Your Tax Obligations

Companies in Norway must manage several tax responsibilities:

Corporate Income Tax

• Paid on company profits

Value Added Tax (VAT)

• Applies if turnover exceeds threshold

Employer Contributions

• If you have employees

5. Know Your Accounting Period

The standard accounting year in Norway is:

1 January to 31 December

Most companies follow the calendar year.

6. Maintain Accurate Financial Records

Proper recordkeeping is essential.

Keep Track Of

• Income and sales
• Business expenses
• Payroll
• Invoices and receipts

The Norwegian Tax Administration requires records to be kept for several years.

7. Prepare Financial Statements

Before filing taxes, prepare:

• Income statement
• Balance sheet
• Supporting notes

These form the basis of your tax return.

8. Calculate Taxable Income

Formula:

Total Revenue – Allowable Expenses = Taxable Income

9. Understand Corporate Tax Rate

Standard Rate

• Approximately 22% on profits

This flat rate applies to most companies.

10. Claim Allowable Deductions

Deductions reduce your taxable income.

Common Deductions

• Salaries and wages
• Rent
• Utilities
• Marketing expenses
• Professional fees

11. Complete the Corporate Tax Return

Companies must submit a tax return to the Norwegian Tax Administration.

Includes

• Company details
• Financial statements
• Tax calculations

12. Submit Your Tax Return

Filing Method

• Online through official systems

Electronic filing is standard in Norway.

13. Pay Your Corporate Tax

Payment Methods

• Bank transfer
• Online payment

Taxes must be paid by the due date to avoid penalties.

14. Understand Tax Deadlines

Typical Deadline

• Around 31 May following the tax year

Deadlines may vary slightly.

15. Handle VAT Reporting

If registered for VAT:

• Submit VAT returns periodically
• Report VAT collected and paid

16. Manage Employer Contributions

If you have employees:

• Pay employer social security contributions
• Withhold employee taxes

17. Real-Life Example: Small Business

Profile

• Business: Local shop
• Revenue: NOK 500,000
• Expenses: NOK 300,000

Taxable Income

• NOK 200,000

Tax Payable

• 22% = NOK 44,000

18. Real-Life Example: Growing Company

Profile

• Business: Consulting firm
• Revenue: NOK 2,000,000
• Expenses: NOK 1,500,000

Outcome

• Pays corporate tax on profits

19. Real-Life Example: Company with Employees

Responsibilities

• Payroll taxes
• Employer contributions
• Reporting obligations

20. Common Mistakes to Avoid

• Missing deadlines
• Poor recordkeeping
• Incorrect deductions
• Not filing returns

21. Prepare for Tax Audits

The Norwegian Tax Administration may review your company.

Tips

• Maintain accurate records
• Keep receipts
• Ensure compliance

22. Use Accounting Software

Popular tools:

• Xero
• Tripletex
• Visma

23. Hire a Professional Accountant

A tax expert can:

• Ensure compliance
• Maximize deductions
• Reduce errors

24. Plan for Future Taxes

Smart planning includes:

• Saving for tax payments
• Reviewing financial performance
• Managing cash flow

25. Benefits of Filing Company Tax Properly

• Avoid penalties
• Improve financial management
• Build business credibility

26. Final Thoughts

Learning how to file company tax in Norway is essential for any business owner.

While the process may seem complex, breaking it down into steps makes it manageable.

Focus on:

• Keeping accurate records
• Filing on time
• Using deductions wisely

With the right approach, tax filing becomes a powerful tool for business success.

FAQs

Q1: What is the corporate tax rate in Norway?

Approximately 22% for most companies.

Q2: When is company tax due in Norway?

Typically around 31 May.

Q3: Do all companies need to file a tax return?

Yes, all registered companies must file.

Q4: What happens if taxes are not filed?

Penalties and interest may apply.