Legalization service

วันที่นำเข้าข้อมูล 24 Sep 2026

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LEGALIZATION SERVICE

Required Documents

1. The applicant must complete the Legalization Application Form and attach a copy of their passport. Click here to download the form

If someone else submits the application on your behalf, they must present the original Power of Attorney signed by you, together with their ID card or passport.

2. Original Documents

  • Original documents must first be certified by a Notary Public in Finland or Estonia and subsequently legalised by the Ministry for Foreign Affairs of Finland or the Ministry of Foreign Affairs of Estonia.

    Ministry for Foreign Affairs of Finland, Consular Department

    Customer service: You can bring your documents to be legalised at the Ministry for Foreign Affairs' customer service in Helsinki, or you can send them to be legalised by post.

    Visiting address

    Merikasarminkatu 5 D1, Helsinki

    Mon–Wed 9–12 am
    Thu–Fri closed

    E-mail legalizations.um(a)gov.fi. Use the secure email service if your email contains sensitive personal data.

    Tel. +358 295 16001

    Postal address: Ministry for Foreign Affairs KPA-40/ Legalizations P.O. Box 176 00023 GOVERNMENT

    Read more: Legalisation of documents for use abroad

     

    Ministry of Foreign Affairs of Estonia, Consular Department
     
     
    Visiting address: Islandi väljak 1 15049 Tallinn
    Working hours: Mo-Fr 08.30 - 17.00
    Tel. +372 6377 000

     

  • If the document is in Finnish, it must be translated into English by an authorised translator in Finland.
    A list of authorised translators is available here.
    Both the original Finnish document and the English translation must be legalised by the Ministry for Foreign Affairs.

3. After the documents have been legalised by the Ministry for Foreign Affairs of Finland or Estonia, they must be submitted for legalisation at the Royal Thai Embassy in Helsinki by appointment only.

Appointments can be booked by email at [email protected].

4. Applicants who wish to apply for legalisation by post must:

  • complete the Legalisation Application Form; and
  • include a self-addressed stamped envelope for the return of the documents

After the application has been approved, the applicant will be contacted by email with instructions for payment by bank transfer.

5. The fee is €15 per document.