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.

When you need the authenticity of your signature on a document to be certified by a notary public, you have to visit the Digital and Population Data Services Agency in person.

Provide photo identification and sign the document in the presence of the notary public. A note confirming the authenticity of you signature will be recorded on the document and the notary public will sign the document.

Do the following

  • You must visit the Digital and Population Data Services Agency personally and sign the document in the presence of a notary public.
  • Book an appointment with a public notary through the electronic appointment booking service. 
    Appointment services
  • Bring with you the document and your passport or ID card. Please note that a driving licence is not an official identity card. 
  • A note confirming the authenticity of you signature will be recorded on the document and the notary public will sign the document.

Price

  • The notarisation of the authenticity of your signature costs EUR 17 per signature.

Processing time

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

This is how you get the document:

The document will be mailed to you.

Links to laws related to the matter

Act on Notaries Public (in Finnish)

Frequently asked questions

Population of Finland 5 631 050