Take care of your tax matters in MyTax. Log in with your online banking codes, a mobile certificate or the Finnish Authenticator app.
If you use the service on behalf of someone else, you will need a Suomi.fi authorisation.
How to make a tax card
Instructions for completing the VAT return
MyTax instructions for individual and corporate taxpayers
Submit your bank account number: receive your tax refund into your bank account
How to find a tax card or decision in MyTax
Frequently asked questions about MyTax