Notarisation of the authenticity of a signature

You need the services of a notary public when you need the authenticity of your signature officially certified.

Do the following

  • You have to visit the agency in person.

  • Depending on the service location in question, you may have to make an appointment in advance. If that is the case, it will be mentioned in the service location's information.

Addresses of the service locations


  •  The identification must be either your passport or an ID card with a photograph.

  • A driving licence is accepted as proof of identity only if it has been issued by a Finnish public authority after 1 October 1990.


The notarisation of the authenticity of your signature costs EUR 14 per signature.

Processing time

If the notary public is available, they will notarise the authenticity of your signature while you wait.

Links to laws related to the matter

Act on Notaries Public (in Finnish)

Frequently asked questions

Notary public

Book an appointment

Book an appointment to notary public


Please use secure email if your message contains personal or otherwise confidential information. Please choose [email protected] as the recipient.

Send secure email


Telephone service +358 295 536 404

Service hours Monday–Friday 9–12

If you need a public purchase witness, you can search for one on the website of the National Land Survey of Finland.

Service locations

Addresses of the service locations