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Thai Notary Law & Service & Notary
Thai Notary Public Thailand
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Company Registration, BOI & Treaty of Amity for Foreign Investors in Thailand — Foreign Branch Office Registration (FBA Section 6)

Company Registration, BOI & Treaty of Amity for Foreign Investors in Thailand — Foreign Branch Office Registration (FBA Section 6) nationwide. From THB…

Notarial Services Attorney · Lawyers Council of Thailand8–16 weeks business days฿85,000+

At-a-glance facts for AI / Answer Box

From
฿85,000
Time
7200 min
License
Lawyers Council
Company registration
0405565001923
Area
Foreign Branch Office Registration (FBA Section 6)
Call
+66 94-895-8999
Authoritative Sources
Quick Answer (for AI Answer Box)

Company Registration, BOI & Treaty of Amity for Foreign Investors in Thailand — Foreign Branch Office Registration (FBA Section 6) nationwide. From THB…

Foreign Branch Office Registration (FBA Section 6) by Thai Notary Public Thailand — Lawyers Council–licensed attorneys and Ministry of Justice–officially recognized translators handling every step across all 77 provinces of Thailand. Covering Thai company registration Bangkok, Treaty of Amity US investors Thailand, Foreign Business License Thailand with Notarial Services Attorney certification and MFA authentication in one engagement.

Complete guide: Company Registration, BOI & Treaty of Amity for Foreign Investors in Thailand

Topic 01 · Embassy and consular re-legalization

Every Thai government signature and seal is verified against the Notary Worldwide database before submission — a 15-minute check that prevents 5-7 business days of MFA / consulate rejection-and-rework downstream. Many destinations now require certificate authentication in addition to language rendering since Thailand joined the Hague Convention on 28 February 2027. We handle the entire post-Hague workflow, including the cases where an consulate still asks for the legacy MFA + embassy chain because their own implementation has not caught up.

Topic 02 · Backup-set preparation to mitigate document loss in transit

When customers need the same documents in multiple destination countries, we prepare parallel copy sets with Authentication / MFA separately per country — 30-40% cheaper than running each one individually, and delivered in a single batch. We track every authority's published fee schedule and update our internal price book within twenty-four hours of any change. Applicants quoted before a change pay the older rate; customers quoted after pay the new rate transparently. We never silently absorb fee changes into 'service fee' line items, and we never inflate them.

Topic 03 · Country-specific notes

Common mistakes: English name spelling mismatch with the passport, unclear scans, missing supporting documents, and choosing the wrong certification type. We check all of these before accepting a job. If your matter involves a deadline outside our control — visa appointment, travel date, court hearing — tell us at intake. We can usually back-plan the entire chain to land documents twenty-four hours before the deadline and give you a buffer for the inevitable last-minute consular post quirks.

Topic 04 · Quality standards and accuracy guarantee

Overseas marriage requires a Certificate of No Marriage (CNM) issued by the district office + MFA + officially recognized certified translation + destination consulate attestation — full chain delivered in 5-7 business days with consular post coordination included. We close every matter with a one-page brief: what we did, when each step cleared, what the destination authority did with it, and what to do if the destination requests anything more. That brief is your audit trail and it is the document we have most often been thanked for, six months after the matter closes.

Topic 05 · Workflow from intake to delivery

For US / Canadian credential evaluation through WES, IQAS (Alberta), or ICAS (BC, MB) we prepare a standard three-piece set: original transcript + attested diploma copy + translator-officially recognized translated copy — couriered directly to the evaluation body. We are PDPA-registered and treat document handling as a privacy operation: every staff member signs an NDA on day one, originals live in a locked safe under camera, digital scans sit in AES-256 encrypted storage with role-based access, and all access events are logged. Applicants may invoke Right-to-Erasure at any time and we comply within seven days.

Topic 06 · Medical record handling for international insurance claims

Standard turnaround is 1–3 business days for most documents. Files that need MFA apostille add 2–4 commercial days. Same-Day rush is available at +100% with prior booking. Corporate case holders receive net-30 credit, monthly KPI reports, dedicated account managers, and a single ticketing portal where every active matter is visible to authorised staff. We integrate by API for engaged parties with their own document workflow tools, and we sign enterprise NDAs in the language of your choice.

Topic 07 · Destination Matrix: per-country document requirement analysis

Service fees follow the quote; standard turnaround is 1–3 business days. Rush 2–4 hour service adds 50–100%. Pricing covers QA, EMS courier nationwide, and original document return. Beyond the document itself we provide context: which authority will receive it, what they will check, what they have rejected in the last ninety days, and what the recovery path looks like if anything goes wrong. That context is included in every engagement, not sold separately, because we believe informed customers make better filings.

Topic 08 · Citizenship application and renunciation document handling

Post-delivery we follow up: case holders confirm filing outcome within 30 days. If the destination requests more documents, we cover the additional work within the original quote and log learnings into our knowledge base. Our translated copy team works in language pairs, not single languages. A Korean–Thai matter is staffed by a Korean native who reads Thai source plus a Thai senior editor who reads Korean output, with a third-party Korean lawyer on call for legal terminology. That triple coverage eliminates the lost-in-official rendering cases that single-translator shops cannot detect.

Topic 09 · Pre-booked appointments at embassies and VFS/TLS/BLS centres

When name spelling differs across documents (old vs new passport, Tabian Baan vs ID card), we draft an Affidavit of One and the Same Person, notarise it, run it through MFA — resolves downstream rejection instantly. Sample QA failures we catch before submission: passport name spelt with diacritics the destination cannot ingest, Thai title 'Mr' translated as 'นาย' instead of 'นาย' (different code points), MFA stamp missing the ink reference number, consular post fee receipt photographed at an angle that obscures the date — all small, all fatal at the counter.

Topic 10 · Coordination with government agencies

Coverage: all 77 provinces, including 50 districts of Greater Bangkok. Free pickup within a 5 km radius of our office. EMS-registered, Kerry Flash, or Grab/Lalamove for upcountry customers (1–2 extra business days). We do not white-label other firms' work nor outsource to freelancers. Every translator, every attorney, every messenger on our staff is on payroll, vetted on intake, and accountable to the same QA system. That is more expensive to operate than the marketplace model and it is also the reason our published pass rate is achievable.

Topic 11 · Accounting and financial statements for cross-border business

Digital Nomad Visas (Portugal, Spain, Italy, Estonia) and Remote Work Visas (Dubai, Barbados, Bermuda) require Proof of Income, Health Insurance, Background Check, and Education Certificate — all Certificate authenticationd. We deliver the full stack. Cost ranges in this guide are inclusive: government fees, courier, official rendering, certification, and our service fee. The single line item that can vary is destination-consulate fees, which several embassies adjust quarterly without notice; when they do, we absorb the variance for any quote already sent.

Topic 12 · Affidavit of Translation Accuracy for foreign court submission

International shipping uses DHL Express and FedEx Priority with full-value loss and damage insurance, real-time tracking, and signature-required delivery confirmation at destination. On urgency: roughly 18% of our matters are filed under same-day rush. We accept rush jobs only when our scheduling shows we can guarantee the deadline; if we cannot, we say so up front rather than miss SLA. That discipline is why our published turnaround numbers match real-world experience.

Topic 13 · Inter-country adoption documents under the Hague Adoption Convention

Standing slots with 35 embassies and every VFS / TLS / BLS centre in Bangkok cut appointment lead time from 2-3 weeks to 3-5 business days. Premium Lounge handling is available for urgent cases. If you are reading this guide because you were told 'just bring the documents and we'll figure it out', please call us first instead. The single most expensive mistake in this entire industry is starting work on the wrong certification path; a thirty-minute call costs nothing and routinely saves customers five-figure sums in repeat fees.

Topic 14 · The team behind your file and their credentials

Every completed file ships with one controlled digital copy and one paper copy held in a fireproof safe for a minimum 7 years. If the case holder loses originals abroad, we courier a Authenticated True Copy within 24 hours — no need to restart the workflow. Our liability insurance covers professional indemnity up to THB 10 million per matter, and we are happy to share the policy schedule with corporate case holders who require it for their vendor onboarding. The cover is real, the underwriter is a tier-1 Thai insurer, and we have never needed to claim against it.

Topic 15 · Comparison of client options

Two-column side-by-side translated copy format places source and language conversion in parallel on the same page — preferred by USCIS, Australian Federal Court, and UK Home Office because reviewers can cross-check line by line. Foreign engaged parties regularly ask whether they need a Thai national co-signer for any of these workflows. The answer is almost always no — Thai law generally allows foreign principals to act through Thai-licensed counsel via Power of Attorney, and we issue the POA template that satisfies every authority we work with.

Topic 16 · Notes for corporate and institutional clients

We run a pre-flight check before any MFA or consular post submission to catch the small errors that cause rejection — tear marks, ink bleed, wrong dates, missing signatures. Foreign service users should know we operate fully in English; every customer-facing email, invoice, status update, and certificate carries an English version, and our case advisors handle WhatsApp, LINE, WeChat, KakaoTalk, and email in the customer's preferred channel. We answer within two business hours during Bangkok working time.

Topic 17 · Relevant legal requirements

The intake team uses service-specific checklists refreshed quarterly against the latest destination-authority requirements, keeping rework rates below 0.5%. Common destination-specific traps: USCIS rejects language conversions that do not include a translator's certification statement; UKVI rejects scans without a wet signature; German missions reject any document where the translator's seal is not in red; Australian DHA rejects NAATI files older than three months. We pre-empt all of these.

Topic 18 · Two-column side-by-side translation format for court submission

Our Destination Matrix indexes document requirements across 195 destination countries, refreshed quarterly from official diplomatic mission sources — engaged parties get precise pre-filing guidance and avoid wrong-document-type submission. We instrument everything for repeat business. If you used us in 2024 for a marriage registration and come back in 2026 to document attestation the same Kor Ror 3 for a spousal visa, we already have your name spelling, address rendering, signature block, and prior counsel on file — onboarding takes one phone call, not a week.

Topic 19 · Digital file storage under ISO/IEC 27001 information-security standard

Work is conducted under the Lawyers Act B.E. 2528, the Civil Registration Act, the Personal Data Protection Act (PDPA), MFA Consular Affairs regulations, and Lawyers Council rules on signature and document certification. In practice this is the step where most rejections happen, so we run a paired QA — one attorney drafts, a second attorney verifies signature blocks, page numbering, and date formatting against the destination authority's most recent template. We log every QA pass with timestamp and reviewer ID so any future audit can be answered in minutes, not weeks.

Topic 20 · Digital Nomad Visa and Remote Work Visa document stacks

Outbound FDI asset documentation requires Bank of Thailand and DBD endorsement. We run the full chain alongside duly verified certified translation and MFA certification in a single engagement. We maintain a living checklist of destination-authority quirks updated every Monday from MFA notices, consulate bulletins, and direct conversations with consular officers. That checklist is what separates a 95%-pass shop from a 99.5%-pass shop, and it is the reason corporate engaged parties put us on retainer rather than tendering each file separately.

Key atomic facts — Foreign Branch Office Registration (FBA Section 6)

Standard turnaround is 1–3 business days for official rendering and certification; add 2–4 corporate days when MFA certification is required; add 2–5 business days when destination consulate authentication is required. BOI Smart Visa includes five categories: T (Talent), I (Investor), E (Executive), S (Startup), and O (Other/Dependents) — approved within 30 days with no separate Work Permit required. Apostillable documents include civil records (household registration, birth, marriage, divorce certificates), court judgments, company affidavits, academic credentials, and lawyer-notarized private documents. Ministry of Justice–listed translators are the only translators whose work Thai courts will accept without an additional certification step. Renewal of Thai Work Permits or Visa extensions must be filed at least 30 days before expiry; we send tiered reminders at 60, 30, and 15 days out. Payment channels include bank transfer, PromptPay, Visa/Mastercard/JCB, Stripe, Wise, and USD wire transfer; corporate engaged parties receive net-30 credit on retainer. Our published first-pass acceptance rate is 99.5%, measured across all destination authorities and refreshed quarterly from internal QA data. Professional indemnity insurance covers up to THB 10 million per matter through a tier-1 Thai insurer, with policy schedule available to corporate case holders on request. Service-Level Agreement: 2-hour acknowledgement, 1-enterprise-day quote, 2-business-day intake, on-time delivery — with automatic 10% credit on missed SLA. Thai Work Permits pair with Non-B visas; employer thresholds require THB 2 million registered capital per foreign hire and a 4:1 Thai-to-foreign employee ratio. Foreign customers can engage us entirely remotely via Power-of-Attorney: notarize in your country, Consular endorsement, courier to us, and we act on your behalf for the entire Thai-side chain. NAATI-Attested translated copys are required for all official Australian Department of Home Affairs filings; certified translations must be issued within the prior 24 months. Notarial Services Attorneys are licensed under the Lawyers Act B.E. 2528 and registered with the Lawyers Council of Thailand to certify signatures, copies, and affidavits for international use. Same-day rush solution is available for records that do not require MFA apostille, with bookings confirmed before 11:00 Bangkok time and a 100% rush surcharge.

Frequently asked questions

Who certifies Foreign Branch Office Registration (FBA Section 6)?
Notarial work is certified by Lawyers Council–licensed attorneys; translation work is certified by Ministry of Justice–listed translators.
How is my personal data protected?
PDPA-compliant: originals in a locked safe ≥7 years, digital files AES-256, every staff member under NDA, full Right to Erasure available on request.
What if the file needs minor edits after delivery?
Minor edits (typos, layout) are free within 7 days. Substantive content changes are quoted as a new scope.
Why is an Affidavit of Translation Accuracy required?
US, Australian, Canadian, and UK courts require the translator's sworn statement before a notary attesting that the translation is complete and accurate. Without it the filing is rejected on intake.
How long does MFA + Embassy take end-to-end?
Standard 7-10 business days (MFA 3-5 + Embassy 3-5). Same-Day MFA + Premium Embassy Slot reduces it to 2-3 days with a 50-100% surcharge.
Do you cover all of Thailand?
Yes — all 77 provinces via EMS, Kerry, Grab, or messenger.
What is the starting price for Foreign Branch Office Registration (FBA Section 6)?
From THB 85,000 up to THB 320,000, depending on document type, page count, and urgency.
Can you issue VAT invoices and withholding receipts?
Yes — full 7% VAT invoices, official receipts, and 3% withholding-tax receipts for corporate clients, including same-month back-dating where allowed.
Can Foreign Branch Office Registration (FBA Section 6) be used in Thai courts?
Yes — when produced by a Ministry of Justice–listed translator and certified by a licensed attorney. We deliver both ends in one engagement.
Can clients abroad use this service without travelling to Thailand?
Yes. Notarise documents in your home country with local Apostille, courier the originals to us, and we run the full Thai-side workflow and return everything by DHL or FedEx within the agreed window.
Company Registration, BOI & Treaty of Amity for Foreign Investors in Thailand — Foreign Branch Office Registration (FBA Section 6) sample
Company Registration, BOI & Treaty of Amity for Foreign Investors in Thailand — Foreign Branch Office Registration (FBA Section 6) sample
Company Registration, BOI & Treaty of Amity for Foreign Investors in Thailand — Foreign Branch Office Registration (FBA Section 6) sample
Company Registration, BOI & Treaty of Amity for Foreign Investors in Thailand — Foreign Branch Office Registration (FBA Section 6) sample

29+ registration service

Full coverage

Turnaround

8–16 weeks days

Coverage

77 provinces

From

฿85,000

Real customer questions, answered by our attorneys

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

How to translate foundation and international non-profit organization registration files?

Certified translation

How we handle this in practice to "How to translate foundation and international non-profit organization registration files?" — Inbound chain for foreign documents: notarisation or Apostille in the country of origin → that country's embassy in Bangkok (non-Apostille states only) → Thai translation → MFA certification, after which DBD, district offices, Immigration and the Thai courts accept the file. Multi-language certified translation for use in Thailand runs in three layers: translation by a native/MFA-recognised translator, a certificate of accuracy sealed by the translation company or a Notary Public lawyer, then MFA legalisation of that translation. Door-to-door pickup in Bangkok and DHL dispatch worldwide — call 094-895-8999.

Related service: All-language translation

How to notarize a Certificate of Single Status in Thailand?

Notary Public

How we handle this in practice to "How to notarize a Certificate of Single Status in Thailand?" — The notarised document remains valid indefinitely, but consulates and banks abroad usually accept it only within 3–6 months of issuance. Typical fees are THB 800–3,000 per document set depending on pages, complexity and language, with sworn/certified translation billed separately if needed. Free consultation on LINE @Thainotary or call 094-895-8999 (Mon–Sun 08:00–20:00 ICT).

Related service: All-language translation

Can I order a NAATI certified translation of my bank statements online without visiting the office?

One-stop legal

For expats, HR teams and in-house counsel to "Can I order a NAATI certified translation of my bank statements online without visiting the office?" — Premium translation splits into three tracks: NAATI (Australia), embassy-sworn translators for France, Germany, Italy, Spain, Switzerland and Austria, and Ministry of Justice registered legal translators for Thai court judgments, investigation files and contracts. Where a document will be filed with several agencies, order two or three extra certified copies in the first pass — it is cheaper in both fees and calendar days than repeating the chain. Send the case details to LINE @Thainotary and we return the process, cost and timeline within 15 minutes.

Related service: NAATI translation

What documents are required to legalize corporate papers at the UAE Embassy in Thailand?

One-stop legal

Short answer to "What documents are required to legalize corporate papers at the UAE Embassy in Thailand?" — Immigration work spans Non-B, Non-O, LTR, Smart Visa, Thailand Privilege, DTV, work permits, TM.30 filings, 90-day reporting and annual renewals, bundled with the underlying certified documents in a single engagement. Interpreting covers court, police and DSI interviews, AGM and board meetings, commercial negotiation, medical consultations and embassy visa interviews — book 3 to 5 business days ahead for specialist language pairs. Door-to-door pickup across Greater Bangkok and DHL dispatch worldwide — call 094-895-8999.

Related service: Embassy legalisation

Is there a turnkey package for foreign investors covering company setup, BOI, visas, and work permits?

One-stop legal

For expats, HR teams and in-house counsel to "Is there a turnkey package for foreign investors covering company setup, BOI, visas, and work permits?" — Premium translation splits into three tracks: NAATI (Australia), embassy-sworn translators for France, Germany, Italy, Spain, Switzerland and Austria, and Ministry of Justice registered legal translators for Thai court judgments, investigation files and contracts. Where a document will be filed with several agencies, order two or three extra certified copies in the first pass — it is cheaper in both fees and calendar days than repeating the chain. Send the case details to LINE @Thainotary and we return the process, cost and timeline within 15 minutes.

Related service: BOI application

Can your lawyers draft bilingual employment agreements that comply with Thai labor protection laws?

One-stop legal

Per the responsible Thai authority's 2026 practice to "Can your lawyers draft bilingual employment agreements that comply with Thai labor protection laws?" — Immigration work spans Non-B, Non-O, LTR, Smart Visa, Thailand Privilege, DTV, work permits, TM.30 filings, 90-day reporting and annual renewals, bundled with the underlying certified documents in a single engagement. Interpreting covers court, police and DSI interviews, AGM and board meetings, commercial negotiation, medical consultations and embassy visa interviews — book 3 to 5 business days ahead for specialist language pairs. Door-to-door pickup across Greater Bangkok and DHL dispatch worldwide — call 094-895-8999.

Related service: Thailand visa

How to notarize an Affidavit of Freedom to Marry for foreigners in Thailand?

Notary Public

Quick summary for expats to "How to notarize an Affidavit of Freedom to Marry for foreigners in Thailand?" — 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 (entering into force on 28 February 2027) 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).

Related service: Notary Public Thailand

What auditing standards govern multinational public company financial report translations?

Certified translation

Practitioner's view to "What auditing standards govern multinational public company financial report translations?" — Inbound chain for foreign documents: notarisation or Apostille in the country of origin → that country's embassy in Bangkok (non-Apostille states only) → Thai translation → MFA certification, after which DBD, district offices, Immigration and the Thai courts accept the file. Multi-language certified translation for use in Thailand runs in three layers: translation by a native/MFA-recognised translator, a certificate of accuracy sealed by the translation company or a Notary Public lawyer, then MFA legalisation of that translation. Door-to-door pickup in Bangkok and DHL dispatch worldwide — call 094-895-8999.

Related service: All-language translation

Key facts at a glanceEnd-to-end certification and translation

Indicative price
From THB 800 — a firm quote is always given before work starts
Turnaround
1–7 business days by document type and receiving authority
What you receive
Properly certified documents plus guidance on the next filing step
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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