The articles on these pages give you general instructions on signing in for e-services and on e-filing. They are primarily intended for corporate taxpayers. However, private individuals may use the same the methods of e-filing and secure sign-in if necessary. The pages under the IT developers heading are intended for software companies and specialists whose work focuses on e-service development and improvement.
For complete, categorized information on e-services, click Asioi verkossa
(in the Finnish part of our website). Many of them have user interfaces in English.
It is mandatory for corporate taxpayers and public entities to use Katso User IDs and Passwords for signing in to e-services. This rule also concerns estates of deceased persons and tax consortia.
However, individuals who operate a trade or business as self-employed are entitled to use their personal Web bank identifiers for signing in. For more information on the various methods of secure sign-in, see the specific instructions on the welcome pages of each e-service.
For more information on requests of the necessary identifiers, see the pages under the Katso heading.