Starting a business in Finland
Tax Returns in Finland: For Individuals and Businesses
Tax Planning
In Finland, all taxpayers are required to submit a tax return each year. The process and forms differ depending on whether you are an individual or a business entity.
For individuals, the Tax Administration provides a pre-completed tax return, based on information from employers, banks, and other institutions. You will receive your pre-completed tax return in March via MyTax and, if applicable, by post. If you have activated Suomi.fi messages, you will also get an email notification when your tax return becomes available in MyTax. Check the contents carefully and make any necessary corrections by the due date stated on the return. Filing deadlines for individuals in 2026 are generally in April, with specific dates varying slightly depending on the taxpayer. Self-employed and agricultural operators, as well as their spouses, receive their tax returns earlier, in late February or early March, with corrections due by 1 April 2026.
Businesses, such as limited liability companies, cooperatives, partnerships, and self-employed operators, submit a business tax return based on their accounting records and financial statements. Accurate financial records are essential, with separate tracking for items such as representation expenses, depreciation, cash withdrawals, and salaries paid to family members.
Electronic filing through the MyTax e-service also known as OmaVero is the standard method for both individuals and businesses. Paper submissions are allowed only in specific circumstances.
Filing Deadlines for Businesses
- Business operators, self-employed persons, private traders, and partnerships must generally submit their returns at the beginning of April.
- Limited liability companies, cooperatives, associations, and similar entities file within four months after the end of the financial year.
- Agricultural and forestry operators must submit their returns by 1 April, except non-residents who have a later deadline of 28 April.
What Is Tax Planning
Tax planning is the process of organizing your financial and business activities to minimize tax liabilities while staying compliant with Finnish law. It is recommended to plan ahead for more than one tax year. Effective tax planning may include choosing the right company structure, managing profit distribution, keeping accurate records, and making use of available deductions and allowances. Proper planning can also help avoid unexpected tax payments, penalties, and cash flow issues. For both businesses and individuals, consulting with an accountant or tax advisor can further improve accuracy and long-term financial outcomes.
Published 17.01.2026, FINREPO