MyTax is the Tax Administration’s e-service for most of your tax matters. You can log in with your online banking codes, a mobile certificate, or a Katso ID. If you wish to act on behalf of someone else, you will need authorisation.

Sign in

File real estate details atötiedot (e-service available in Finnish and Swedish).

In MyTax, you can

  • request a tax card or prepayments
  • file a personal or corporate tax return
  • pay taxes and submit a bank account number
  • read your own details

Later you will also be able to

Read more about the e-service and its features

Instructions for using MyTax

Individual taxpayers

Corporate taxpayers