Finnish Authenticator is an application that enables you to authenticate yourself to selected Finnish government
Please check first with the e-service if it supports Finnish Authenticator before registering and taking the application into use.
To use e-services with the Finnish Authenticator, you need to have a valid passport which you need to register to your Finnish Authenticator account.
See https://www.suomi.fi for further information.
NOTE: This service is meant only for foreign citizens. Finnish identification documents are not accepted in the registration process.