Only attorneys registered with the Lawyers Council of Thailand under the Lawyers Act B.E. 2528 may certify
You must sign in front of the attorney and present an original passport or Thai ID card
Documents used abroad usually also require MFA Department of Consular Affairs legalization and/or destination-embassy endorsement
Procedures and timelines may change; verify with the responsible authority before filing

Key facts at a glance — Notary Public certification

Indicative price: From Request a quote per document set
Turnaround: Typically 1–2 business days (same-day rush available)
What you receive: Signed and sealed by a Thai Lawyers Council–registered Notarial Services Attorney
Service coverage: Nationwide Thailand — courier and fully online intake, no in-person visit required.

Figures above are indicative ranges; the final quote depends on page count, language pair and receiving authority.

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094-895-8999 LINE @Thainotary Notary@ilc.ltd

Documents you need to prepare — Notary Public certification

1Valid original passport or Thai ID card of the person signing
2The original document to be notarised — do not sign in advance; signing must occur before the attorney
3Details of the receiving authority — university, embassy, or overseas counterparty
4Company affidavit and power of attorney if signing for a legal entity

Before you start

• For corporate documents, prepare a company affidavit issued within the last six months.
• Keep a copy of everything submitted in case the receiving authority requests further evidence later.

Practitioner guidance — Certification by a Notarial Services Attorney

Competent authority: Lawyers Council of Thailand

Practitioner guidance

If the document is for overseas use, plan the next steps (MFA legalisation, Apostille or embassy) from the start.
For companies, bring a recent company affidavit and evidence of directors' signing authority.
Review how the foreign form expects the certifier to complete it before the appointment.
Thailand has no standalone Notary Public office; certification is performed by a Notarial Services Attorney registered with the Lawyers Council of Thailand.
The signatory must sign in front of the attorney and present an original passport or Thai ID card.

Pitfalls — why documents get rejected

A company affidavit older than the destination accepts.
Foreign-language forms with no translation for the signatory to understand.
Describing the role as international 'Notary Public' when the Thai system uses a different designation.
Signing in advance — the attorney cannot certify a signature made out of their presence.
Presenting a passport copy instead of the original on the day.

Official sources: www.lawyerscouncil.or.th · consular.mfa.go.th/th/publicservice/legalization

General guidance only. Requirements and processing times change — always verify with the competent authority before filing.

Unsure which route applies to your case? Ask our staff directly.

094-895-8999 LINE Notary@ilc.ltd

In-depth questions and answers — Certification by a Notarial Services Attorney

Answers follow the competent authority's published requirements, not marketing copy.

Which practices reduce correction rounds in Certification by a Notarial Services Attorney?

Bring the complete original document, including blank and stamped pages. The competent authority is Lawyers Council of Thailand. This is general guidance; requirements and processing times change — verify with the competent authority before filing.

What should a first-time applicant know about Certification by a Notarial Services Attorney?

Tell the attorney the destination country and authority in advance, since the certification wording differs by use. The competent authority is Lawyers Council of Thailand. This is general guidance; requirements and processing times change — verify with the competent authority before filing.

What is commonly overlooked in Certification by a Notarial Services Attorney but affects the outcome?

If the document is for overseas use, plan the next steps (MFA legalisation, Apostille or embassy) from the start. The competent authority is Lawyers Council of Thailand. This is general guidance; requirements and processing times change — verify with the competent authority before filing.

How can a Certification by a Notarial Services Attorney document set be kept internally consistent?

For companies, bring a recent company affidavit and evidence of directors' signing authority. The competent authority is Lawyers Council of Thailand. This is general guidance; requirements and processing times change — verify with the competent authority before filing.

In what order should Certification by a Notarial Services Attorney steps be sequenced to avoid rework?

Review how the foreign form expects the certifier to complete it before the appointment. The competent authority is Lawyers Council of Thailand. This is general guidance; requirements and processing times change — verify with the competent authority before filing.

Why are Certification by a Notarial Services Attorney documents rejected?

Observed cause: Signing in advance — the attorney cannot certify a signature made out of their presence. If you are unsure whether your case is affected, confirm with Lawyers Council of Thailand, or ask our staff by phone, LINE or email before filing. This is general guidance; requirements and processing times change — verify with the competent authority before filing.

Which mistake in Certification by a Notarial Services Attorney forces the process to restart?

Observed cause: Presenting a passport copy instead of the original on the day. If you are unsure whether your case is affected, confirm with Lawyers Council of Thailand, or ask our staff by phone, LINE or email before filing. This is general guidance; requirements and processing times change — verify with the competent authority before filing.

What is a common misunderstanding about Certification by a Notarial Services Attorney?

Observed cause: Documents containing alterations or strike-throughs without initials. If you are unsure whether your case is affected, confirm with Lawyers Council of Thailand, or ask our staff by phone, LINE or email before filing. This is general guidance; requirements and processing times change — verify with the competent authority before filing.

Your case may have specific conditions — ask our staff directly.

094-895-8999 LINE @Thainotary Notary@ilc.ltd

Official sources: www.lawyerscouncil.or.th · consular.mfa.go.th

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Primary sources from official authorities

The guidance on this page follows the rules published by the authorities below. Always confirm the current version on the official site before filing.