Businesses and corporations

Value added tax

If your company is in the VAT register, remember to file VAT returns regularly even if you have not had any business activities. 

Real estate tax

For most corporations, the real estate tax due date is 6 July 2022. The payment details, such as the reference number and the Tax Administration’s bank account number, can be found in MyTax and on your tax decision.

Payment arrangement

If you have temporary financial difficulties and you need more time for paying your taxes, you can ask for a payment arrangement.

Request a payment arrangement in MyTax. You will get your decision faster in MyTax than by calling.

Important Dates and Deadlines

30.6.2022 The income tax return of corporate taxpayers
6.7.2022 The real estate tax due date for most corporations
12.7.2022 Due date for VAT and other self-assessed taxes
25.7.2022 Due date for prepayments of income tax

Katso identification system is now withdrawn

You can no longer use your Katso ID and Katso authorisations.

If you are currently using Katso authorisations to take care of someone else’s tax matters, you must request new Suomi.fi authorisations instead. Your Katso authorisations will not be automatically replaced with Suomi.fi authorisations. 

Business in Finland

Are you bringing your business operations to Finland? Your tax liabilities in Finland will depend on your company type and the scope of your operations.