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NYC Legal & Notary
NPT Notary Public Thailand
บริการแปลและรับรองนิติกรณ์

Last reviewed: · by NPT Editorial Team

Reviewed by NPT Editorial TeamEditorial & Compliance TeamEditorially reviewed
Notarial Services Attorney
Available
NPT-NOTARY-affidavit-support-express

Affidavit of SupportExpress — 24 hour turnaround

Prove the sponsor is covering costs abroad for a visa applicant. For urgent visa filings within the week.

Fee (THB)
฿2,500
Inclusive of attorney seal, statutory fees, EMS shipping within Thailand
Turnaround
within 24 hours
24h PDF + Grab Express (Bangkok) or EMS upcountry

Package Specifications

DocumentAffidavit of Support
Categoryaffidavit
Turnaroundwithin 24 hours
Delivery channel24h PDF + Grab Express (Bangkok) or EMS upcountry
Signed bySponsor + Notarial Services Attorney
Legal basisNotarial Services Attorney Regulation B.E. 2551, s.6(3)
SKUNPT-NOTARY-affidavit-support-express

Data required on the document

  • Sponsor identity
  • Beneficiary identity
  • Financial commitment amount
  • Duration
  • Bank statement reference

Common pitfall (we prevent)

USA I-134 / UK Sponsor Undertaking have prescribed forms — we prepare on each embassy's form

Common use cases

  • US B1/B2 visa
  • US student F-1
  • UK Standard Visitor visa
  • Schengen visa

Accepted in countries

US
UK
SG
AU
NZ

Why NPT

Notarial Services Attorney registered with the Lawyers Council of Thailand
Every draft is legally reviewed before the seal is applied
Acceptance guarantee — free re-issue if rejected
Free EMS with tracking within Thailand

Trust signals (E-E-A-T)

Operated by
NYC Legal & Notary Service Co., Ltd.
Reg. 0435567000061
Office address
61 Soi Lat Phrao 95 (Prang Thip), Khlong Chaokhun Sing, Wang Thonglang, Bangkok 10310, Thailand
Hours
Mon–Fri 09:00–18:00
Customer rating
0/5 · 0 reviews

Frequently asked questions

How much is the Affidavit of Support package?

Request a quote per job, inclusive of attorney seal, statutory fees, and EMS shipping within Thailand.

How do I order? Is there an online cart?

No cart. Contact us via phone 094-895-8999, LINE @Thainotary, or email Notary@ilc.ltd — our team responds with a quote and appointment slot within 15 minutes (Mon–Fri 09:00–18:00).

Who signs the notarization?

A Notarial Services Attorney registered with the Lawyers Council of Thailand under the Notarial Services Attorney Regulation B.E. 2551.

What happens if the document is rejected?

If an embassy or receiving authority rejects the document because of our notarization work, we amend and re-issue it at no charge within 7 days. The decision itself rests with the authority.

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

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.
Can the process be started from outside Thailand?
Document review, drafting the attestation wording and coordinating with authorities can all be done remotely. Only steps that legally require personal appearance must be completed before the attesting attorney or through a channel the destination accepts. Scope and requirements are confirmed case by case by phone, LINE or email.
Does Thailand have a Notary Public in the common-law sense?
Thailand has no common-law notary. The equivalent is a Notarial Services Attorney registered with the Lawyers Council of Thailand under Royal Patronage. Foreign authorities, embassies and universities generally accept this attestation where a notarised document is required. Scope and requirements are confirmed case by case by phone, LINE or email.
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.

How this connects to the next step

A notarised document rarely travels alone: most receiving authorities also require consular legalization at the Department of Consular Affairs (MFA), and for non-Hague destinations one further step of attestation by the destination country's embassy in Bangkok. The order of these steps cannot be swapped.

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

  • If the signatory cannot read the language of the instrument, an interpreter must be present and that fact recorded in the certificate.
  • The signatory must appear in person with an unexpired passport or national ID card; a scan sent in advance cannot substitute for appearance.
  • When signing for a company, a recently issued company affidavit and evidence of signing authority consistent with the registered restrictions are required.

Common causes of rejection

  • Name spellings that differ from the passport, even by a diacritic or the ordering of a middle name, are enough to justify refusal.
  • A company affidavit older than the destination's accepted age leaves signing authority unproven as at the certification date.

Once the destination country and the receiving office are known, the required certificate form and the following steps can be fixed immediately. Having our team review the case first substantially reduces repeat work.

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

  • For corporate documents, prepare a company affidavit issued within the last six months.
  • Tell us early if you need a rush job so we can reserve attorney time and the courier slot.

Practitioner guidanceCertification by a Notarial Services Attorney

Competent authority: Lawyers Council of Thailand

Practitioner guidance

  • 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.
  • 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.

Pitfalls — why documents get rejected

  • Presenting a passport copy instead of the original on the day.
  • 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.

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.

In-depth questions and answersCertification 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.

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

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

Continue with related services

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

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.

Read the full Privacy Policy and Terms of Service

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

certified true copy of passport from Nakhon Si Thammarat for an overseas company incorporation

an attorney-in-fact acting for the document holder from Nakhon Si Thammarat — the destination prescribed a specific translation and certifier type, so the right track had to be chosen upfront

What we handled: arranged the signing or lodgement appointment and listed what to bring · sequenced the certification chain to match the destination authority's rules · prepared the translation and reconciled every name spelling against the passport · reviewed the source documents and flagged which ones needed re-issuing before work began

What clients usually ask in matters like this: are true originals required, or will certified copies do?

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

financial status letter from Udon Thani for a study or scholarship application

an attorney-in-fact acting for the document holder from Udon Thani — the destination prescribed a specific translation and certifier type, so the right track had to be chosen upfront

What we handled: arranged the signing or lodgement appointment and listed what to bring · tracked progress between steps and reported status along the way · reviewed the source documents and flagged which ones needed re-issuing before work began

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

director signature verification from Pathum Thani for an overseas property transaction

a Thai–foreign couple filing together from Pathum Thani — 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 · 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: are true originals required, or will certified copies do?

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

Browse every case for this serviceCertification by a Notarial Services Attorney

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.