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Notary Public in Thailand: Frequently Asked Questions

Answers to the questions foreigners ask most about using a notary public in Thailand: who can notarize your documents, what to bring, legalisation and apostille, fees and booking.

Notary public in Thailand

Thailand does not have a separate “notary public” office like the UK, the US or Australia. Notarial work is done by notarial services attorneys, who are Thai lawyers registered for this role with the Lawyers Council of Thailand. When foreigners search for a “notary public in Bangkok” or a “notary public in Thailand”, this is the service they need.

We notarize signatures on powers of attorney, affidavits, statutory declarations and consent letters. We also certify true copies of passports, degrees and company documents, notarize translations, and help with legalisation at the Ministry of Foreign Affairs and embassies. See all our notary services.

Many foreign courts, banks, universities and government offices accept documents notarized in Thailand, often after legalisation. Requirements vary by country and by organization, so check with the receiving organization first. Tell us where the document is going and we will check the wording, witness and legalisation requirements with you.

Some embassies offer notarial services to their own citizens, usually by appointment. A local notarial services attorney can often see you sooner and can come to you. If the receiving organization specifically asks for notarization by your embassy, follow that instruction. Otherwise, we can help.

Before your appointment

Bring your original, valid passport if you are a foreign national, or your Thai ID card or Thai passport if you are a Thai national. Copies and photos on your phone are not accepted. Read more in Proof of Identity for Notarization.

No. Please bring your document unsigned. The attorney must see you sign it.

Yes. Everyone whose signature needs to be notarized must attend in person with their own original ID, either at our office or during a mobile visit.

Yes. Bring the original passport, and we will certify that the copy is a true copy of the original. We can certify copies of degrees, certificates and company documents in the same way.

The attorney needs to understand what you are signing, so a translation is usually required first. We can arrange certified translations.

Yes. Our team drafts documents such as powers of attorney, affidavits and consent letters. Free bilingual templates are also available on our Downloads page.

Legalisation and apostille

Legalisation confirms that a Thai document or notarization is genuine so that it can be used abroad. It is usually done by the Department of Consular Affairs at the Ministry of Foreign Affairs and, for some countries, by the destination country’s embassy as well. Our Legalisation service handles these steps for you.

Not yet. Thailand has joined the Hague Apostille Convention, which is scheduled to take effect for Thailand on 28 February 2027. After that date, documents for other member countries will need a single apostille instead of full legalisation. Until then, the current legalisation process still applies. See Apostille Requirements.

A notarization is usually completed during your appointment. Legalisation by the Ministry of Foreign Affairs and an embassy takes additional working days, depending on the authority. We will give you a time estimate when you book.

Booking, fees and locations

Our Bangkok office is at No. 2 Quant Building, Sukhumvit 25 Alley, Khlong Toei Nuea, Watthana, Bangkok 10110, near BTS Asok and MRT Sukhumvit. We also serve Phuket from Regus, Royal Phuket Marina. See the maps on our Contact page.

Yes. A notarial services attorney can come to your home, office, condominium, hotel or hospital anywhere in Bangkok. Read 3 Things You Should Know About Mobile Notary Services.

Yes. We are open every day, Monday to Sunday, from 08:30 to 19:00. Urgent same-day appointments are often possible, subject to availability.

The fee depends on the type and number of documents, the number of signers, the location and how urgent the request is. Email a copy of your document and we will confirm a fixed price before you book.

Call or message us on +66 (0) 95 734 4242, email info@notary-public.in.th, or use the form on our Contact page.