Notarial services attorney team, Thai Notary Law and Service Co., Ltd.
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Registered Notarial Services Attorneys handling your document certification

Certification work is carried out by attorneys registered as Notarial Services Attorneys with the Lawyers Council of Thailand under the Regulation of the Lawyers Council on Registration of Notarial Services Attorneys B.E. 2551. Licence numbers and personal data in the images below are redacted for privacy; originals can be verified in person.

Registration certificates

  • Notarial Services Attorney registration certificate — Miss Anutaree

    Miss Anutaree

  • Notarial Services Attorney registration certificate — Mr. Jiraphan

    Mr. Jiraphan

  • Notarial Services Attorney registration certificate — Mr. Jirasak

    Mr. Jirasak

  • Notarial Services Attorney registration certificate — Mr. Patipan

    Mr. Patipan

  • Notarial Services Attorney registration certificate — Mr. Warawut

    Mr. Warawut

  • Notarial Services Attorney registration certificate — Mr. Wiwat

    Mr. Wiwat

Issued by the Lawyers Council of Thailand · personal data partly redacted

A government counter receiving documents for legalisation
A government counter receiving documents for legalisation

Embassy legalisation vs foreign ministry legalisation

Quick answer

Foreign ministry (consular) legalisation certifies that a signature or seal on a domestic document is genuine. Embassy legalisation is the receiving country's own confirmation, applied afterwards, that it accepts that chain. Many destinations require both, in that order, and skipping the first step invalidates the second.

Legalisation is a chain, not a single stamp. Each authority in the chain certifies only the signature immediately before it, which is why the sequence is rigid and why documents come back when someone starts in the middle. This article explains what each authority verifies, so you can see where your set currently sits and what is left.

What to prepare

  • The original document, or a certified copy where the issuing authority does not release originals
  • A certified translation into the language the legalising authority requires
  • Identification of the applicant or an authorised representative
  • The name of the destination country and the office that will finally receive the file
  • Any appointment or reference numbers already issued by the authorities involved

How the process runs

  1. 1Establish whether the destination uses apostilleWhere both countries are in the apostille framework, the single apostille replaces the longer chain. Where they are not, the consular and embassy legs apply.
  2. 2Complete the domestic layerThe issuing authority's signature or seal is verified first, with a certified translation attached where required.
  3. 3Lodge with the foreign ministryThis step certifies the domestic signature and produces the record the embassy will check.
  4. 4Lodge with the embassy of the destination countryThe embassy confirms the preceding certification. Requirements, fees and appointment availability are set by that embassy and change without notice.

Each authority only verifies the step before it

No authority in the chain re-examines the underlying facts of your document. They verify signatures and seals, which is why a document with a correct chain can still be queried on its content by the final recipient.

This also explains the rigid order: an embassy has nothing to verify if the foreign ministry has not certified the domestic signature first.

Where translation fits in the chain

  • Some authorities require the translation before their step; others attach their certificate to the source document only
  • Translating too early can mean redoing the work when a later stamp is added to the original
  • Translating too late can stall an appointment that requires a translated set on the day

Common reasons a set is returned

Missing an intermediate step, presenting a copy where an original is required, or a name spelled differently across documents in the same bundle.

Fees and processing times are set by each authority and vary, so we present them as separate lines rather than folding them into one figure.

Things to watch

  • Do not book an embassy appointment before the preceding certification is complete.
  • Official fees are set by the authorities and can change at any time.
  • Some embassies only legalise documents relating to their own nationals or to matters in their territory.
  • Processing times vary and are outside our control; build slack into any deadline.

Frequently asked questions

Do I need both steps for Australia?

It depends on the document and the receiving body. Many Australian lodgements accept a certified translation without legalisation, so confirm before starting a chain you may not need.

Can the order be changed?

No. Each authority certifies the signature immediately before it, so a step taken out of order has nothing valid to attach to.

Is apostille an alternative?

Where both countries participate in the apostille framework, yes — one certificate replaces the chain. Where they do not, the consular and embassy route applies.

How long does the full chain take?

It varies by authority, document type and appointment availability, so we plan the sequence and confirm each leg as it is booked.

Let our team handle the whole set

We work as an adviser as well as a translation provider. Send your scans and the receiving body's checklist on LINE and we will review the set, map the order of every step, and tell you what still needs to be obtained before anything is lodged.

Ask us on LINE @NAATI

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Content reviewed August 2026. This article describes general process and is not legal or migration advice. Confirm current requirements with the receiving body.

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