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NPT Notary Public Thailand
บริการแปลและรับรองนิติกรณ์

Last reviewed: · by NPT Editorial Team

Reviewed by NPT Editorial TeamEditorial & Compliance TeamEditorially reviewed

Certification by a Notarial Services Attorney

1,296 case patterns · Primary authority: Lawyers Council of Thailand. Every entry below is a composite pattern assembled from matters we see repeatedly. They are not individual clients: no names, no personal data, no quoted testimonials, no prices and no promised outcomes. Timeframes are indicative ranges and should be re-checked with the authority that will receive your file.

What the work usually involves

  • Reviewing the source documents first and flagging anything that must be re-issued before the chain starts.
  • Reconciling every name spelling against the passport so registry and translation match letter for letter.
  • Sequencing the certification chain in the order the receiving authority expects.
  • Booking the signing or lodgement appointment and listing exactly what to bring.
  • Reporting progress between steps so a stalled stage is caught early.
  • Returning scans plus originals with written lodgement instructions.

What tends to make a file complicated

  • Older documents spell the name differently from the current passport.
  • Certified copies are older than the destination's freshness rule allows.
  • The original was issued abroad, so the origin-country chain must be completed first.
  • The destination prescribes a specific translator or certifier type.
  • A travel or filing deadline forces the work to be resequenced.
  • The signatory and the applicant are in different provinces or countries.

Questions people ask in matters like this

  • If the destination rejects this set, does the whole chain restart?
  • Are true originals required, or will certified copies be accepted?
  • Who has to certify the translation for it to be accepted?
  • How long does the certified set stay valid after it is issued?
  • Do I have to attend in person if I am upcountry or overseas?
  • Which step must come first so nothing has to be redone later?

Indicative timeframes

  • Straightforward single-document files: roughly 3–7 working days end to end.
  • Translation plus one certification layer: roughly 5–10 working days.
  • Translation plus MFA and an embassy layer: roughly 7–14 working days.
  • Files needing a foreign-issued original re-certified first: roughly 10–20 working days.

Representative case patterns

Document type · origin province or country · destination purpose. Open the Thai library for the full set with the detailed narrative of each pattern.

  • power of attorney from Bangkok for a foreign bank filing
  • power of attorney from Bangkok for an overseas property transaction
  • power of attorney from Bangkok for a study or scholarship application
  • power of attorney from Bangkok for an overseas company incorporation
  • power of attorney from Bangkok for an estate matter
  • power of attorney from Bangkok for a court or regulator filing
  • affidavit from Bangkok for a foreign bank filing
  • affidavit from Bangkok for an overseas property transaction
  • affidavit from Bangkok for a study or scholarship application
  • affidavit from Bangkok for an overseas company incorporation
  • affidavit from Bangkok for an estate matter
  • affidavit from Bangkok for a court or regulator filing
  • certified true copy of passport from Bangkok for a foreign bank filing
  • certified true copy of passport from Bangkok for an overseas property transaction
  • certified true copy of passport from Bangkok for a study or scholarship application
  • certified true copy of passport from Bangkok for an overseas company incorporation
  • certified true copy of passport from Bangkok for an estate matter
  • certified true copy of passport from Bangkok for a court or regulator filing
  • financial status letter from Bangkok for a foreign bank filing
  • financial status letter from Bangkok for an overseas property transaction
  • financial status letter from Bangkok for a study or scholarship application
  • financial status letter from Bangkok for an overseas company incorporation
  • financial status letter from Bangkok for an estate matter
  • financial status letter from Bangkok for a court or regulator filing

Composite patterns only. Requirements change; confirm the current rule with the receiving authority or embassy before you act.

Send your document list for a free completeness check094-895-8999 · LINE @Thainotary · Notary@ilc.ltd

Full Thai case library

Key takeaways

  • 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

Process at a glance

StepPerformed byDocuments neededApproximate time
1. Review the file and confirm the certification formatNotarial Services AttorneyDraft document + receiving authority's requirementsapprox. 1–3 hours
2. Sign in the attorney's presenceSignatory with the Notarial Services AttorneyOriginal passport or Thai ID cardapprox. 15–30 minutes
3. Issue the certificate and record it in the registerNotarial Services Attorney (Lawyers Council of Thailand rules)Signed documentapprox. 1 working day
4. Onward steps for overseas useDepartment of Consular Affairs, MFA and/or destination embassyCertified document + translation where requiredapprox. 2–7 working days

Durations are estimates and depend on the responsible authority's queue. Always confirm current requirements with the receiving body before filing.

Additional frequently asked questions

Do I have to sign in person before the attorney?
For signature attestation, yes — the signer must appear with an original passport or Thai ID card and sign in the attorney's presence. Certified true copies and certain fact attestations can be handled from originals without a fresh signature, depending on what the receiving authority requires.
Can the attestation be used abroad immediately?
It depends on the destination. Many countries additionally require legalisation by the Department of Consular Affairs, Ministry of Foreign Affairs, and sometimes by their own embassy in Bangkok. Confirm the receiving party's chain before starting so the work is not repeated.
Do Thai-language documents need translation first?
If the recipient is a foreign authority, an English translation (or the official language of that country) is normally required, and the translation itself may need certification. The correct order is translate, certify the translation, then legalise.
What is needed to certify corporate documents?
Typically a company affidavit issued by the Department of Business Development within the recency window the recipient allows, ID or passport of the authorised director, the company seal if one is used, and the document to be attested. Scope and requirements are confirmed case by case by phone, LINE or email.
How long does an attested document stay valid?
The attestation itself has no expiry, but recipients such as embassies, banks and universities commonly require documents issued within the last 3–6 months. Always check the recipient's recency rule first.
What if the destination authority rejects the document?
Ask for the rejection reason in writing. Most rejections come from wording of the attestation clause, the order of the legalisation chain, or a translation that does not match the required format — each of which can be corrected without redoing the whole set.

How this connects to the next step

When the source document is in Thai, prepare the certified translation into the destination language before the notarial appointment, because the notary certifies signatures on the bundle that already contains the translation. The full sequence is set out in our step-by-step workflow.

In depth: the real requirements and why documents get rejectedNotary Public

Written from the competent authority's published rules, not marketing copy.

A notarial certification issued in Thailand by a Notarial Services Attorney does not attest that the statements inside a document are true. It attests to procedural facts: that the signatory appeared in person, presented valid identification, and signed in the certifier's presence. Receiving authorities abroad read the certificate wording first, and that wording is where most files fail.

Conditions you actually have to clear

  • The certificate must state the date, the place, the signatory's name, the identification method, and the certifier's registration number; a missing element makes the certificate incomplete abroad.
  • Thai-language documents intended for foreign use need a translation permanently bound to the original rather than loosely attached.
  • For a true-copy certification, the original must be produced on the day; comparison against an image file is not accepted by most authorities.

Common causes of rejection

  • Re-binding the file or removing a seal after certification breaks continuity and forces the process to restart.
  • Signing in advance and asking for a backdated certificate — the attestation of signing in the certifier's presence would not match the facts, and the receiving body normally rejects the whole file.

The safest approach is to obtain the receiving authority's requirements in writing first, then match the certificate wording and the chain order to them. If anything is unclear, send us the destination country and the intended use by phone, LINE, or email before any signing appointment.

Real customer questions, answered by our attorneys

Selected from our knowledge base of 3,300+ real questions we have answered.

How are foreign marine archaeology and shipwreck exploration authorization documents legalized?

Consular / Apostille

Practitioner's view to "How are foreign marine archaeology and shipwreck exploration authorization documents legalized?" — Standard outbound chain: original from the issuing Thai authority → certified English translation → MFA certification of the translation/signature → destination-embassy legalisation in Bangkok (only for non-Apostille countries). Typical documents: house registration, birth/marriage/divorce certificates, name-change records, death certificates, single-status letters, police clearance, degrees and transcripts, company affidavits, VAT Por.Por.20, financial statements, powers of attorney and cross-border contracts. Free consultation on LINE @Thainotary or call 094-895-8999 (Mon–Sun 08:00–20:00 ICT). Process in brief: (1) confirm the original was issued by the competent authority and is still within the accepted validity window; (2) have it translated by a translator the destination accepts; (3) obtain certification of the signature/translation; (4) add destination-embassy legalisation only where Apostille is not accepted; (5) proof names, dates and reference numbers before dispatch. What to prepare: an intact original that is not torn or laminated, evidence of any name change where the document does not match your current name, a passport copy, and a power of attorney with ID copies of both grantor and agent. Common pitfall: never unstaple or re-bind a certified set. Removing the staple is treated as breaking the seal and the destination may reject the whole file; photocopy without dismantling it. Practitioner's tip: if the same document is needed by several authorities, produce all copies in one round — it saves time and keeps the certification format consistent across the sets.

Related service: Notary Public Thailand

After notarisation, does a company affidavit issued by DBD still need Department of Consular Affairs legalisation before it is filed abroad?

Notary Public

Quick summary for expats to "After notarisation, does a company affidavit issued by DBD still need Department of Consular Affairs legalisation before it is filed abroad?" — In Thailand notarial services are performed by a Notarial Services Attorney registered with the Lawyers Council of Thailand — the document is then eligible for MFA legalization or Apostille (in force from 28 February 2027 (entry into force for Thailand)) before use overseas. Standard turnaround is 1 business day; same-day service is available by appointment for straightforward files. Walk-in and mobile-notary appointments both available — call 094-895-8999 to confirm a slot. Process in brief: (1) tell us the destination country and purpose so the correct chain is set from day one; (2) re-issue the original if it is older than the destination's limit; (3) translate and proofread twice against the source; (4) certify in the correct order; (5) return the sealed set with a digital copy for your records. What to prepare: the original, the translation kept unbound from the source until certification, passport copies of every person named in the document, and any relationship evidence such as a house registration or marriage certificate if the destination asks for it. Common pitfall: self-made or machine translations are usually refused — reviewers check the letterhead, the translator's certification wording, and whether every stamp on the original has been rendered. Practitioner's tip: keep colour scans of every certified page. If a courier loses the set, digital copies make re-issue and verification dramatically faster.

Related service: Notary Public Thailand

How long does legalising a foreign document for use inside Thailand stay valid, and how far ahead of filing should it be done?

Consular / Apostille

Practitioner's view to "How long does legalising a foreign document for use inside Thailand stay valid, and how far ahead of filing should it be done?" — Standard outbound chain: original from the issuing Thai authority → certified English translation → MFA certification of the translation/signature → destination-embassy legalisation in Bangkok (only for non-Apostille countries). Typical documents: house registration, birth/marriage/divorce certificates, name-change records, death certificates, single-status letters, police clearance, degrees and transcripts, company affidavits, VAT Por.Por.20, financial statements, powers of attorney and cross-border contracts. Send a photo of the document to LINE @Thainotary and we will quote the chain, cost and timeline within 15 minutes. Process in brief: (1) confirm the original was issued by the competent authority and is still within the accepted validity window; (2) have it translated by a translator the destination accepts; (3) obtain certification of the signature/translation; (4) add destination-embassy legalisation only where Apostille is not accepted; (5) proof names, dates and reference numbers before dispatch. What to prepare: the original or a certified extract from the issuing authority, a copy of the holder's ID or passport, a power of attorney if someone files on your behalf, and the exact English spelling of every name as it appears in the passport. Common pitfall: official fees and service windows change. Verify the current rate and turnaround directly with the certifying authority before you fix a budget or a travel date. Practitioner's tip: keep colour scans of every certified page. If a courier loses the set, digital copies make re-issue and verification dramatically faster.

Related service: Notary Public Thailand

How many months will a translated a name-change record and same-person affidavit be accepted, and when must it be re-certified?

Certified translation

How we handle this in practice to "How many months will a translated a name-change record and same-person affidavit be accepted, and when must it be re-certified?" — Thailand deposited its instrument of accession to the Hague Apostille Convention on 30 June 2026, with entry into force for Thailand on 28 February 2027, so outbound documents to member states need one Apostille from MFA instead of a destination-embassy step, except for states that objected to the accession. We cover English, Chinese (Simplified/Traditional), Japanese, Korean, German, French, Spanish, Portuguese, Russian, Italian, Arabic, Persian, Turkish, Hindi, Vietnamese, Myanmar, Lao, Khmer, Indonesian, Malay, Tagalog, Dutch, Swedish, Danish, Finnish and Eastern European languages. Free consultation on LINE @Thainotary or call 094-895-8999 (Mon–Sun 08:00–20:00 ICT). Process in brief: (1) confirm the original was issued by the competent authority and is still within the accepted validity window; (2) have it translated by a translator the destination accepts; (3) obtain certification of the signature/translation; (4) add destination-embassy legalisation only where Apostille is not accepted; (5) proof names, dates and reference numbers before dispatch. What to prepare: the original or a certified extract from the issuing authority, a copy of the holder's ID or passport, a power of attorney if someone files on your behalf, and the exact English spelling of every name as it appears in the passport. Common pitfall: self-made or machine translations are usually refused — reviewers check the letterhead, the translator's certification wording, and whether every stamp on the original has been rendered. Practitioner's tip: if the same document is needed by several authorities, produce all copies in one round — it saves time and keeps the certification format consistent across the sets.

Related service: All-language translation

What are the most common reasons a house registration (Thor Ror 14/1) is rejected at the legalisation counter, and how is each fixed before refiling?

Consular / Apostille

Short answer to "What are the most common reasons a house registration (Thor Ror 14/1) is rejected at the legalisation counter, and how is each fixed before refiling?" — Typical documents: house registration, birth/marriage/divorce certificates, name-change records, death certificates, single-status letters, police clearance, degrees and transcripts, company affidavits, VAT Por.Por.20, financial statements, powers of attorney and cross-border contracts. Government fee is THB 200 per stamp for the normal service (2–3 business days) and THB 400 per stamp for same-day express (file before 11:30). Our end-to-end agency fee starts at THB 1,500–4,500 per set depending on volume and urgency. Send a photo of the document to LINE @Thainotary and we will quote the chain, cost and timeline within 15 minutes. Process in brief: (1) confirm the original was issued by the competent authority and is still within the accepted validity window; (2) have it translated by a translator the destination accepts; (3) obtain certification of the signature/translation; (4) add destination-embassy legalisation only where Apostille is not accepted; (5) proof names, dates and reference numbers before dispatch. What to prepare: the full original set, colour scans of every page for translation proofing, an English spelling list for all people and place names, and any extra items listed on the destination authority's own checklist. Common pitfall: never unstaple or re-bind a certified set. Removing the staple is treated as breaking the seal and the destination may reject the whole file; photocopy without dismantling it. Practitioner's tip: keep colour scans of every certified page. If a courier loses the set, digital copies make re-issue and verification dramatically faster.

Related service: Embassy legalisation

If the source document is in a non-English language, does legalising a foreign document for use inside Thailand need a pivot translation or can it be translated directly?

Consular / Apostille

Quick summary for expats, HR and law firms to "If the source document is in a non-English language, does legalising a foreign document for use inside Thailand need a pivot translation or can it be translated directly?" — Standard outbound chain: original from the issuing Thai authority → certified English translation → MFA certification of the translation/signature → destination-embassy legalisation in Bangkok (only for non-Apostille countries). Typical documents: house registration, birth/marriage/divorce certificates, name-change records, death certificates, single-status letters, police clearance, degrees and transcripts, company affidavits, VAT Por.Por.20, financial statements, powers of attorney and cross-border contracts. Free consultation on LINE @Thainotary or call 094-895-8999 (Mon–Sun 08:00–20:00 ICT). Process in brief: (1) confirm the original was issued by the competent authority and is still within the accepted validity window; (2) have it translated by a translator the destination accepts; (3) obtain certification of the signature/translation; (4) add destination-embassy legalisation only where Apostille is not accepted; (5) proof names, dates and reference numbers before dispatch. What to prepare: the original or a certified extract from the issuing authority, a copy of the holder's ID or passport, a power of attorney if someone files on your behalf, and the exact English spelling of every name as it appears in the passport. Common pitfall: official fees and service windows change. Verify the current rate and turnaround directly with the certifying authority before you fix a budget or a travel date. Practitioner's tip: keep colour scans of every certified page. If a courier loses the set, digital copies make re-issue and verification dramatically faster.

Related service: All-language translation

To use a Thai document in Canada, in what order must MFA/embassy legalisation (and Apostille from 28 February 2027) be completed?

Consular / Apostille

Short answer to "To use a Thai document in Canada, in what order must MFA/embassy legalisation (and Apostille from 28 February 2027) be completed?" — Typical documents: house registration, birth/marriage/divorce certificates, name-change records, death certificates, single-status letters, police clearance, degrees and transcripts, company affidavits, VAT Por.Por.20, financial statements, powers of attorney and cross-border contracts. Government fee is THB 200 per stamp for the normal service (2–3 business days) and THB 400 per stamp for same-day express (file before 11:30). Our end-to-end agency fee starts at THB 1,500–4,500 per set depending on volume and urgency. Send a photo of the document to LINE @Thainotary and we will quote the chain, cost and timeline within 15 minutes. Process in brief: (1) decide whether the destination requires an original or a certified true copy; (2) prepare a power of attorney if you cannot attend; (3) translate in the required format; (4) file and monitor the queue; (5) verify whether supporting documents are also required at destination. What to prepare: an intact original that is not torn or laminated, evidence of any name change where the document does not match your current name, a passport copy, and a power of attorney with ID copies of both grantor and agent. Common pitfall: self-made or machine translations are usually refused — reviewers check the letterhead, the translator's certification wording, and whether every stamp on the original has been rendered. Practitioner's tip: treat the destination authority's own published checklist as the final reference; country-specific rules change, and we will review that checklist with you before filing.

Related service: Embassy legalisation

If the source document is expired or lost, can MFA legalisation at Chaeng Watthana still proceed — and what is the workaround?

Consular / Apostille

Quick summary for expats, HR and law firms to "If the source document is expired or lost, can MFA legalisation at Chaeng Watthana still proceed — and what is the workaround?" — Standard outbound chain: original from the issuing Thai authority → certified English translation → MFA certification of the translation/signature → destination-embassy legalisation in Bangkok (only for non-Apostille countries). Typical documents: house registration, birth/marriage/divorce certificates, name-change records, death certificates, single-status letters, police clearance, degrees and transcripts, company affidavits, VAT Por.Por.20, financial statements, powers of attorney and cross-border contracts. Send a photo of the document to LINE @Thainotary and we will quote the chain, cost and timeline within 15 minutes. Process in brief: (1) tell us the destination country and purpose so the correct chain is set from day one; (2) re-issue the original if it is older than the destination's limit; (3) translate and proofread twice against the source; (4) certify in the correct order; (5) return the sealed set with a digital copy for your records. What to prepare: the original, the translation kept unbound from the source until certification, passport copies of every person named in the document, and any relationship evidence such as a house registration or marriage certificate if the destination asks for it. Common pitfall: many destinations accept documents only within 3–6 months of issue or certification. Missing that window means re-issuing and re-certifying the entire set, so plan backwards from the real filing date. Practitioner's tip: give us your travel or filing deadline up front. We plan backwards and pick the service tier that lands on time without paying for unnecessary express handling.

Related service: Embassy legalisation

Key facts at a glanceNotary 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.

Ask us or request a quote right away

Documents you need to prepareNotary Public certification

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

Before you start

  • Always confirm the receiving body's own formatting rules — requirements differ between institutions.
  • Send scans ahead by email or LINE so the team can pre-check completeness before your appointment.

Practitioner guidanceCertification by a Notarial Services Attorney

Competent authority: Lawyers Council of Thailand

Practitioner guidance

  • 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.
  • Bring the complete original document, including blank and stamped pages.
  • Tell the attorney the destination country and authority in advance, since the certification wording differs by use.

Pitfalls — why documents get rejected

  • Documents containing alterations or strike-throughs without initials.
  • Assuming attorney certification alone is accepted everywhere, when many countries require consular or embassy steps.
  • 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.

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.

Basics

  • notarial services attorney Bangkok how long does it take
  • notarial services attorney Bangkok validity period

Process

  • notary public Thailand step by step guide
  • notary public Thailand appointment booking
  • notary public Thailand translate first or certify first
  • notarial services attorney Bangkok step by step guide
  • notarial services attorney Bangkok appointment booking
  • notarial services attorney Bangkok translate first or certify first

Can't find your exact case? Ask our staff directly — enquiries are free.

In-depth questions and answersCertification by a Notarial Services Attorney

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

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.

Which situation in Certification by a Notarial Services Attorney wastes the most time unnecessarily?

Observed cause: Assuming attorney certification alone is accepted everywhere, when many countries require consular or embassy steps. 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 deserves extra care when Certification by a Notarial Services Attorney is filed with an overseas authority?

Observed cause: A company affidavit older than the destination accepts. 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 Certification by a Notarial Services Attorney error is hardest to correct afterwards?

Observed cause: Foreign-language forms with no translation for the signatory to understand. 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 Certification by a Notarial Services Attorney trap do applicants usually notice too late?

Observed cause: Describing the role as international 'Notary Public' when the Thai system uses a different designation. 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.

094-895-8999LINE @ThainotaryNotary@ilc.ltd

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

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The paths most clients take next — ask us by phone, LINE or email at any step.

Voice & AI assistant questions

Can a Thai notary sign documents that will be used overseas?
Yes. A Notarial Services Attorney registered with the Lawyers Council of Thailand can notarize documents intended for use abroad, after which the document is legalized at the Ministry of Foreign Affairs (MFA) and, if required, at the destination country's embassy.
Do I need an appointment to notarize a document in Bangkok?
Walk-ins are accepted, but booking a 30-minute slot in advance guarantees same-day completion and lets us pre-check that you bring the right identification and any supporting documents.
What ID do I need to bring to a notary appointment?
Bring your original passport (or Thai national ID for Thai nationals); for corporate documents bring the affidavit/board resolution and a copy of the company affidavit issued within the last 90 days.
Is a Thai notarization accepted in the United States?
Yes, once the notarized document has been certified by the Department of Consular Affairs (MFA) and then authenticated by the US Embassy in Bangkok, or certified through the Apostille route where the destination authority accepts it.

Verified professional credentials

  • Member, Lawyers Council of Thailand (สภาทนายความ) verify
  • Registered certified translator, Ministry of Justice (Thailand) verify
  • Recognized agent for MFA Legalization Division, Thailand verify

Consumer protection & guarantees

  • Acceptance-or-rework guarantee: we redo the work at no charge if the receiving authority rejects a first submission due to a fault on our side.
  • Transparent fees quoted in writing before any work begins — no hidden surcharges.
  • Confidentiality: documents handled under a written non-disclosure undertaking.
  • Direct human contact for questions and quotations by phone, LINE or email.

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How to cite this page
NPT Editorial Team (2026). Notary. Notary Public Thailand. Retrieved , from https://notarypublicthailand.com/en/cases/notary

Composite cases assembled from commonly seen matters — not individual clients, no personal data.

director signature verification from Pathum Thani for an estate matter

a foreign national living in Thailand from Pathum Thani — the spelling on older documents did not match the current passport

What we handled: reviewed the source documents and flagged which ones needed re-issuing before work began · prepared the translation and reconciled every name spelling against the passport · delivered a scanned set plus the originals with lodgement instructions

What clients usually ask in matters like this: if the destination rejects this set, do we start over from scratch?

Indicative timeline: roughly 7–14 working days end to end

parental travel consent from the United States for an overseas company incorporation

an authorised representative of a Thai-registered company from the United States — the originals were issued abroad, so the origin-country chain had to be completed first

What we handled: sequenced the certification chain to match the destination authority's rules · delivered a scanned set plus the originals with lodgement instructions · arranged the signing or lodgement appointment and listed what to bring

What clients usually ask in matters like this: who must certify the translation for it to be accepted at destination?

Indicative timeline: roughly 3–7 working days end to end

power of attorney from Prachuap Khiri Khan–Hua Hin for a study or scholarship application

a Thai national working overseas from Prachuap Khiri Khan–Hua Hin — some certified copies were older than the destination's freshness rule

What we handled: prepared the translation and reconciled every name spelling against the passport · sequenced the certification chain to match the destination authority's rules · delivered a scanned set plus the originals with lodgement instructions

What clients usually ask in matters like this: how long does the set stay valid after certification?

Indicative timeline: roughly 10–20 working days end to end

Browse every case for this serviceCertification by a Notarial Services Attorney