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MyTax

MyTax is the Tax Administration’s e-service, where you can take care of most of your tax matters.

Sign in

You can log in to MyTax 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. Read more about authorisations

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