Business owner or self-employed individual – file business tax return 5 ( Add your personal income to your individual tax return, as well (


MyTax will replace the majority of the Tax Administration's current e-services.

Sign in

Companies log in to MyTax by using a Katso ID. Read more about Katso ID. Individuals use personal online banking codes or a mobile ID card for logging in. This includes household employers, primary producers and the self-employed.


In MyTax, you can

  • file income tax returns for corporations or benefits under joint administration
  • request a prepayment or additional prepayment for a corporation
  • file self-assessed tax returns (for e.g. VAT or employer's contributions)
  • request a payment arrangement (self-assessed taxes, corporate income tax, gift tax and inheritance tax)
  • request a tax debt certificate
  • file gift tax returns
  • submit bank account numbers.

Read more about the e-service and its features

Instructions for using MyTax