Notarization in Thailand is performed by Notarial Services Attorneys registered with the Lawyers Council of Thailand. Documents are then typically legalized at the MFA Department of Legalisation before embassy submission.
重要ポイント
認証できるのは弁護士法(仏暦2528年)に基づきタイ弁護士会に登録した弁護士のみです
弁護士の面前で署名し、パスポートまたはタイ身分証の原本を提示する必要があります
海外で使用する文書は、外務省領事局の認証や提出先大使館の認証が追加で必要になる場合があります
手続と所要日数は各機関の規則により変更されることがあります。提出前に必ずご確認ください
手続の流れ(概要)
ステップ
実施主体
必要書類
所要目安
1. Review the file and confirm the certification format
Real customer questions, answered by our attorneys
Selected from our knowledge base of 3,300+ real questions we have answered.
How can it be verified that the legalisation stamp on company affidavits and memoranda of association is genuine and issued by an authorised officer?
Consular / Apostille
Quick summary for expats, HR and law firms to "How can it be verified that the legalisation stamp on company affidavits and memoranda of association is genuine and issued by an authorised officer?" — 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 documents destined for member states now need a single Apostille from MFA — no destination-embassy step, except for states that objected to Thailand's accession. You never need to attend Chaeng Watthana yourself — we file under a power of attorney, track the queue, and courier the sealed originals back by EMS or DHL worldwide. 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: 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.
What is the realistic working-day timeline for legalising a foreign document for use inside Thailand from drop-off to usable document, and which stage slips most often?
Consular / Apostille
How we handle this in practice to "What is the realistic working-day timeline for legalising a foreign document for use inside Thailand from drop-off to usable document, and which stage slips most often?" — 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. Free consultation on LINE @Thainotary or call 094-895-8999 (Mon–Sun 08:00–20:00 ICT).
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: the original, a signed certified-true copy, a completed application form, a contact number reachable during office hours, and the name of the destination authority so the correct certification format is applied.
Common pitfall: the single largest cause of rejection is an English spelling that does not match the passport. Always take the passport spelling as authoritative and confirm it before translation starts.
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.
If a foreign client needs an affidavit of identity for a foreign bank, whether a certified translation is required as well?
Notary Public
Short answer to "If a foreign client needs an affidavit of identity for a foreign bank, whether a certified translation is required as well?" — You must sign in front of the attorney with your original passport; the attorney affixes the notarial seal, signature, register number and date so the document is accepted abroad. The notarised document remains valid indefinitely, but consulates and banks abroad usually accept it only within 3–6 months of issuance. Walk-in and mobile-notary appointments both available — call 094-895-8999 to confirm a slot.
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: 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.
How is a public document issued in Qatar certified and translated before it can be filed with a Thai district office, the DBD or a Thai court?
Consular / Apostille
How we handle this in practice to "How is a public document issued in Qatar certified and translated before it can be filed with a Thai district office, the DBD or a Thai court?" — 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) 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, a signed certified-true copy, a completed application form, a contact number reachable during office hours, and the name of the destination authority so the correct certification format is applied.
Common pitfall: the single largest cause of rejection is an English spelling that does not match the passport. Always take the passport spelling as authoritative and confirm it before translation starts.
Practitioner's tip: send us photographs of the documents before work begins. We will confirm the correct chain, an honest timeline, and anything still missing so you do not lose a filing slot.
When the original is overseas and courier time is short, how far can affidavits and statutory declarations rely on scans or certified copies?
Notary Public
Quick summary for expats to "When the original is overseas and courier time is short, how far can affidavits and statutory declarations rely on scans or certified copies?" — 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. Free consultation on LINE @Thainotary or call 094-895-8999 (Mon–Sun 08:00–20:00 ICT).
Process in brief: (1) assemble the complete file before filing — partial filings lose a queue slot; (2) match every spelling to the passport; (3) file the whole set together so the stamps carry one date; (4) inspect the stamps at the counter; (5) ship with tracked delivery.
What to prepare: the original, a signed certified-true copy, a completed application form, a contact number reachable during office hours, and the name of the destination authority so the correct certification format is applied.
Common pitfall: the single largest cause of rejection is an English spelling that does not match the passport. Always take the passport spelling as authoritative and confirm it before translation starts.
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.
What legalized single-status records are required for international marriages registered in Thailand?
Consular / Apostille
Practitioner's view to "What legalized single-status records are required for international marriages registered in Thailand?" — 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 whether the receiving body wants an Apostille or embassy legalisation; (2) obtain the certified original from the issuing authority; (3) translate through an accepted translator; (4) certify translation and signature; (5) keep high-resolution colour scans of every page before the file leaves Thailand.
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: states that objected to Thailand's accession to the Apostille Convention still require destination-embassy legalisation, so confirm the destination's position before starting.
Practitioner's tip: send us photographs of the documents before work begins. We will confirm the correct chain, an honest timeline, and anything still missing so you do not lose a filing slot.
What consular pathways govern cybersecurity audit report legalizations?
Consular / Apostille
How we handle this in practice to "What consular pathways govern cybersecurity audit report legalizations?" — 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) 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 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: send us photographs of the documents before work begins. We will confirm the correct chain, an honest timeline, and anything still missing so you do not lose a filing slot.
How do all-in-one proxy representatives manage complex foreign document portfolios?
Consular / Apostille
Short answer to "How do all-in-one proxy representatives manage complex foreign document portfolios?" — 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) assemble the complete file before filing — partial filings lose a queue slot; (2) match every spelling to the passport; (3) file the whole set together so the stamps carry one date; (4) inspect the stamps at the counter; (5) ship with tracked delivery.
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: 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.
Practitioner guidance — Certification by a Notarial Services Attorney
Competent authority: Lawyers Council of Thailand
Practitioner guidance
✓Tell the attorney the destination country and authority in advance, since the certification wording differs by use.
✓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.
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.
有効期限を定めるのはサービス提供者ではなく提出先機関です。発行後一定期間内の書類のみを受理する機関も多いため、先に提出先の基準を確認したうえで Lawyers Council of Thailand での手続きを開始してください。 個別のご事情はお電話・LINE・メールでスタッフにご確認ください。 本内容は一般的な案内です。要件・所要期間は変更される場合がありますので、申請前に必ず所管当局の最新情報をご確認ください。
署名や本人確認が必要な段階と、委任状で代理可能な段階があります。Lawyers Council of Thailand の規定と書類の種類により異なるため、来訪前に条件をご確認ください。 個別のご事情はお電話・LINE・メールでスタッフにご確認ください。 本内容は一般的な案内です。要件・所要期間は変更される場合がありますので、申請前に必ず所管当局の最新情報をご確認ください。
ページ数・言語・認証の段数、および Lawyers Council of Thailand が公告に基づき徴収する公的手数料によって範囲が大きく異なるため、単一の金額の掲示はかえって誤解を招きます。実際の書類を拝見したうえでご案内しています。 個別のご事情はお電話・LINE・メールでスタッフにご確認ください。 本内容は一般的な案内です。要件・所要期間は変更される場合がありますので、申請前に必ず所管当局の最新情報をご確認ください。
綴りや氏名の不一致、原本と写しの取り違え、提出先が求める経路を経ていない認証などが実際に見られる原因です。判断に迷う場合は Lawyers Council of Thailand または当方スタッフに事前にご確認ください。 個別のご事情はお電話・LINE・メールでスタッフにご確認ください。 本内容は一般的な案内です。要件・所要期間は変更される場合がありますので、申請前に必ず所管当局の最新情報をご確認ください。
公証人資格弁護士(Notarial Services Attorney)による認証の主たる所管当局は Lawyers Council of Thailand です。提出先が指定する経路以外で取得した認証は、内容が正しくても受理されないことがあります。 個別のご事情はお電話・LINE・メールでスタッフにご確認ください。 本内容は一般的な案内です。要件・所要期間は変更される場合がありますので、申請前に必ず所管当局の最新情報をご確認ください。
所要期間は一定ではなく、Lawyers Council of Thailand の受付状況・書類の種類・提出先機関により変動します。そのため固定の日数は掲載していません。実際の期限より余裕を持って着手し、渡航や提出の予定を組む前に現在の状況をご確認ください。 個別のご事情はお電話・LINE・メールでスタッフにご確認ください。 本内容は一般的な案内です。要件・所要期間は変更される場合がありますので、申請前に必ず所管当局の最新情報をご確認ください。
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.
How much does a notary public cost in Thailand?
A standard Notarial Services Attorney signature in Thailand costs between 1,000 and お見積り per document, with same-day service in central Bangkok and a written quote provided before any work begins.
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.
確認済みの専門資格
• Member, Lawyers Council of Thailand (สภาทนายความ) — 確認する
• Registered certified translator, Ministry of Justice (Thailand) — 確認する
• Recognized agent for MFA Legalization Division, Thailand — 確認する
Composite cases similar to this page — Certification by a Notarial Services Attorney
Composite cases assembled from commonly seen matters — not individual clients, no personal data.
certified true copy of passport from Samut Prakan for a court or regulator filing
a Thai national residing in Thailand from Samut Prakan — a tight travel or filing deadline required resequencing the work
What we handled: tracked progress between steps and reported status along the way · arranged the signing or lodgement appointment and listed what to bring · 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 3–7 working days end to end
financial status letter from the United Kingdom for an estate matter
a foreign national living in Thailand from the United Kingdom — 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 · arranged the signing or lodgement appointment and listed what to bring · tracked progress between steps and reported status along the way
What clients usually ask in matters like this: who must certify the translation for it to be accepted at destination?
Indicative timeline: roughly 7–14 working days end to end
director signature verification from Songkhla–Hat Yai for an overseas company incorporation
a Thai national residing in Thailand from Songkhla–Hat Yai — a tight travel or filing deadline required resequencing the work
What we handled: tracked progress between steps and reported status along the way · delivered a scanned set plus the originals with lodgement instructions · reviewed the source documents and flagged which ones needed re-issuing before work began · arranged the signing or lodgement appointment and listed what to bring
What clients usually ask in matters like this: if I am upcountry or abroad, must I attend in person?
Indicative timeline: roughly 3–7 working days end to end