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Tax return - the self-employed

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You can submit the business tax return online or using a paper form. Use the form to indicate business income, expenses, assets and debts.

Do the following

If you are an entrepreneur in the Tax Administration's registers, the tax return must always be submitted, even if there has been no activity. If more than one accounting period has ended during the tax year, report the data for all accounting periods using a single tax return.

You can see the deadline for submitting the business tax return from MyTax. Submit the tax return primarily in MyTax. You can also submit your business tax return electronically as a file at

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Finnish Tax Administration

Responsible for the service

Finnish Tax Administration
Text edited by: Finnish Tax Administration
Updated: 18/12/2023