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Company Registration, BOI & Treaty of Amity for Foreign Investors in Thailand — Representative Office Registration — 5 Non-Revenue Activities

Company Registration, BOI & Treaty of Amity for Foreign Investors in Thailand — Representative Office Registration — 5 Non-Revenue Activities nationwide.…

Notarial Services Attorney · Lawyers Council of Thailand8–14 weeks business days฿55,000+

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From
฿55,000
Time
7200 min
License
Lawyers Council
Company registration
0405565001923
Area
Representative Office Registration — 5 Non-Revenue Activities
Call
+66 94-895-8999
Authoritative Sources
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Company Registration, BOI & Treaty of Amity for Foreign Investors in Thailand — Representative Office Registration — 5 Non-Revenue Activities nationwide.…

Representative Office Registration — 5 Non-Revenue Activities by Thai Notary Public Thailand — Lawyers Council–licensed attorneys and Ministry of Justice–attested 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 apostille in one engagement.

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

Topic 01 · Notes for corporate and institutional clients

We follow PDPA strictly. Originals are kept in a locked safe for ≥7 years. Digital files are AES-256 encrypted. Customers may invoke Right to Erasure at any time. Every staff member signs an NDA. Common destination-specific traps: USCIS rejects language renderings 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 02 · Embassy and consular re-legalization

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. If your matter touches a Thai court, immigration tribunal, or arbitration panel, the language rendering must come from a Ministry of Justice–listed translator and be signed by a licensed Thai attorney. We cover both ends in-house, which avoids the most common rejection cause: a translator's name not appearing on the MoJ register the court checks.

Topic 03 · Scholarship and research grant documentation packages

Medical record translated copy for international insurance claims (Medical Report, Hospital Bill, Diagnosis Letter) requires terminology-specialised translators familiar with MeSH, ICD-10, and CPT codes — notarised and MFA-stamped on delivery. Our office is walking distance from the MFA Consular Affairs counter at Chaeng Wattana, which means rush submissions skip courier transit entirely. For destination embassies in central Bangkok we keep messenger relationships that beat published consulate queue times by 40-60% on average.

Topic 04 · Country-specific notes

Cross-border Power of Attorney must satisfy both Thai law and the destination jurisdiction's formality rules — we draft bilingual parallel text, verify destination requirements (Notary + Document attestation for EU, Consular Apostille for China), and hand off to the engaged party's overseas counsel. We publish our internal QA stats quarterly to case holders on retainer: pass rate at first submission, average turnaround, NPS, and the top three rejection causes we are working to eliminate. Transparency about failure modes is the only way to actually reduce them, and our retainer renewal rate over 96% suggests applicants agree.

Topic 05 · Digital file storage under ISO/IEC 27001 information-security standard

Certification choice depends on destination: Hague countries accept Authentication direct; non-Hague routes use MFA + diplomatic mission; in-Thailand use needs notarization + lawyer certification; Thai court use requires MoJ-listed translators. 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 06 · Name-match resolution via Affidavit of One and the Same Person

For US / Canadian credential evaluation through WES, IQAS (Alberta), or ICAS (BC, MB) we prepare a standard three-piece set: original transcript + officially recognized diploma copy + translator-duly verified translated copy — couriered directly to the evaluation body. Many destinations now require Hague-stamp in addition to language conversion since Thailand joined the Hague Convention on 28 February 2027. We handle the entire post-Hague workflow, including the cases where an diplomatic mission still asks for the legacy MFA + consular post chain because their own implementation has not caught up.

Topic 07 · Service coverage and document pickup options

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 engaged party loses originals abroad, we courier a Officially recognized True Copy within 24 hours — no need to restart the workflow. 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 08 · Passport name-match verification

Each destination has its own quirks: the US wants state-level Hague-stamp, the UK uses FCDO Document attestation, Australia accepts NAATI without Certification, China requires consulate authentication, Japan often demands diplomatic mission-aligned language rendering. We maintain a living checklist of destination-authority quirks updated every Monday from MFA notices, embassy 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 applicants put us on retainer rather than tendering each file separately.

Topic 09 · Citizenship application and renunciation document handling

An Affidavit of Language rendering Accuracy is the translator's sworn statement before a notary that the official rendering is complete and accurate — required by US, Australian, Canadian, and UK courts. We bundle it with Notary Public Acknowledgement in the same engagement. 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 10 · Pre-booked appointments at embassies and VFS/TLS/BLS centres

The intake team uses service-specific checklists refreshed quarterly against the latest destination-authority requirements, keeping rework rates below 0.5%. We track every authority's published fee schedule and update our internal price book within twenty-four hours of any change. Case holders quoted before a change pay the older rate; case holders quoted after pay the new rate transparently. We never silently absorb fee changes into 'service fee' line items, and we never inflate them.

Topic 11 · Lawyer-certified true copies

Name-match verification is critical for visa-bound documents. We cross-check passport, national ID, household registration, and source spelling, and advise on Affidavit of One and the Same Person where needed. 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 12 · Accounting and financial statements for cross-border business

Corporate engaged parties receive net-30 credit, wholesale pricing, a dedicated Account Manager, an online ticketing portal, and monthly KPI reports — fully invoiced and withholding-tax compliant. 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, diplomatic mission fee receipt photographed at an angle that obscures the date — all small, all fatal at the counter.

Topic 13 · Confidentiality and personal data (PDPA) handling

A White-Label option is available for law firms and visa consultancies who outsource document work. We deliver under your firm's letterhead with an enterprise NDA in place. 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. Case holders may invoke Right-to-Erasure at any time and we comply within seven days.

Topic 14 · Inter-country adoption documents under the Hague Adoption Convention

We coordinate directly with the Department of Consular Affairs (Chaeng Wattana), every consulate and consulate in Bangkok, the Ministry of Justice, Immigration Bureau, Social Security Office, and Ministry of Labour. Customers do not travel themselves. 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 service users make better filings.

Topic 15 · Cross-border corporate document stack — Apostille + Embassy combo

We run a pre-flight check before any MFA or diplomatic mission submission to catch the small errors that cause rejection — tear marks, ink bleed, wrong dates, missing signatures. Corporate service users 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 case holders with their own document workflow tools, and we sign enterprise NDAs in the language of your choice.

Topic 16 · Cross-border Power of Attorney drafting and authentication

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 / consular post rejection-and-rework downstream. Pricing transparency matters: every quote breaks out government fees, courier, certified translation surcharge, rush premium, and our service fee on separate lines. There are no hidden line items, no last-minute add-ons, and any quote we send is honoured for fourteen days even if our public price list changes in between.

Topic 17 · Single-status / never-married affidavits for overseas marriage

When applicants need the same documents in multiple destination countries, we prepare parallel copy sets with Authentication seal / MFA separately per country — 30-40% cheaper than running each one individually, and delivered in a single batch. We routinely handle files for engaged parties who never set foot in Thailand. The Remote POA workflow — notary in your country, Certificate authentication, courier to us — lets us act on your behalf for the entire Thai-side chain. Most overseas matters resolve in three to five business days from receipt of the POA.

Topic 18 · Backup-set preparation to mitigate document loss in transit

Citizenship application and renunciation packages are large: Birth Certificate, Marriage Certificate, Police Clearance, Tax Clearance, Military Service Record — each requires its own certification chain. We maintain country-specific checklists for every destination. Our official rendering 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-certified translation cases that single-translator shops cannot detect.

Topic 19 · Service fees and turnaround time

Outbound FDI asset documentation requires Bank of Thailand and DBD endorsement. We run the full chain alongside duly verified translated copy and MFA certification in a single engagement. Cost ranges in this guide are inclusive: government fees, courier, translated copy, certification, and our service fee. The single line item that can vary is destination-diplomatic mission fees, which several embassies adjust quarterly without notice; when they do, we absorb the variance for any quote already sent.

Topic 20 · Original and controlled-copy handling

If you are abroad, we support remote authorization (Remote POA) through a notary in your country + Authentication seal + return courier, so we can act on your behalf for the entire chain. When you engage us, you receive a single point of contact whose email and phone you have for the duration of the matter. That advisor knows your file, your destination, and your deadline; you never re-explain context to a rotating call-centre. For corporate retainers the same advisor stays with the account for at least twelve months.

Key atomic facts — Representative Office Registration — 5 Non-Revenue Activities

Same-day rush service is available for documents that do not require MFA certification, with bookings confirmed before 11:00 Bangkok time and a 100% rush surcharge. Our team includes Lawyers Council–registered Notarial Services Attorneys, Ministry of Justice–listed translators, NAATI-Duly verified translators, and dedicated diplomatic mission-liaison officers. 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. 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. Our published first-pass acceptance rate is 99.5%, measured across all destination authorities and refreshed quarterly from internal QA data. Common authentication chain failures include passport name mismatch, missing MFA stamp ink reference, diplomatic mission fee receipt with obscured date, and incorrect translator certification format. NAATI-Authenticated language conversions are required for all official Australian Department of Home Affairs filings; translated copys must be issued within the prior 24 months. Professional indemnity insurance covers up to THB 10 million per matter through a tier-1 Thai insurer, with policy schedule available to corporate engaged parties on request. Thailand joined the Hague Certificate authentication Convention on 28 February 2027, making Document attestation the standard authentication for paperworks bound to 125 member states. 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. We hold standing slots at 35 major embassies in Bangkok, cutting embassy authentication queue time from 5–10 business days down to 2–3 corporate days. Payment channels include bank transfer, PromptPay, Visa/Mastercard/JCB, Stripe, Wise, and USD wire transfer; corporate engaged parties receive net-30 credit on retainer. Ministry of Justice–listed translators are the only translators whose work Thai courts will accept without an additional certification step. Solution-Level Agreement: 2-hour acknowledgement, 1-business-day quote, 2-corporate-day intake, on-time delivery — with automatic 10% credit on missed SLA.

Frequently asked questions

How many countries can one document set be used in?
Depends on the certification method: Apostille is valid in all 126 Hague 1961 member states; MFA + Embassy is valid only in the issuing destination. For multi-country use we recommend parallel-copy sets.
Is Same-Day rush available for Representative Office Registration — 5 Non-Revenue Activities?
Yes — for documents that don't require MFA. Book before 11:00 the same day; +100% surcharge applies.
What payment methods do you accept?
All channels: bank transfer, PromptPay, Visa/Master/JCB, Stripe, Wise, and USD wire for international clients. Full Thai/English tax invoices.
Can Representative Office Registration — 5 Non-Revenue Activities 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.
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.
If a document is Apostilled, does it still need embassy attestation?
Only if the destination is not a Hague 1961 member (e.g. China, certain UAE cases). Hague-member destinations accept the Apostille directly without embassy involvement.
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.
Which languages are supported beyond Thai–English?
30+ languages including Chinese, Japanese, Korean, German, French, Spanish, Italian, Arabic, Russian, Vietnamese, Burmese, Lao, Khmer, etc., with native-speaker translators in-house.
Do you cover all of Thailand?
Yes — all 77 provinces via EMS, Kerry, Grab, or messenger.
What is the starting price for Representative Office Registration — 5 Non-Revenue Activities?
From THB 55,000 up to THB 180,000, depending on document type, page count, and urgency.
Company Registration, BOI & Treaty of Amity for Foreign Investors in Thailand — Representative Office Registration — 5 Non-Revenue Activities sample
Company Registration, BOI & Treaty of Amity for Foreign Investors in Thailand — Representative Office Registration — 5 Non-Revenue Activities sample
Company Registration, BOI & Treaty of Amity for Foreign Investors in Thailand — Representative Office Registration — 5 Non-Revenue Activities sample
Company Registration, BOI & Treaty of Amity for Foreign Investors in Thailand — Representative Office Registration — 5 Non-Revenue Activities sample

29+ registration service

Full coverage

Turnaround

8–14 weeks days

Coverage

77 provinces

From

฿55,000

Real customer questions, answered by our attorneys

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

Which accounting firm provides executive financial reporting in English for foreign management in Thailand?

One-stop legal

How our one-stop desk actually runs this to "Which accounting firm provides executive financial reporting in English for foreign management in Thailand?" — 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. Every engagement ships an itemised quotation separating real government fees from professional fees, with one named coordinator per matter and no hidden charges. Free consultation on LINE @Thainotary or call 094-895-8999 (Mon–Sun 08:00–20:00 ICT).

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Can a Thai Notary Public authenticate documents issued by another country's embassy?

Notary Public

Quick summary for expats to "Can a Thai Notary Public authenticate documents issued by another country's embassy?" — 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. Walk-in and mobile-notary appointments both available — call 094-895-8999 to confirm a slot.

Related service: Embassy legalisation

What is the FDA registration and import license process for foreign cosmetics and dietary supplements in Thailand?

One-stop legal

For expats, HR teams and in-house counsel to "What is the FDA registration and import license process for foreign cosmetics and dietary supplements 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: Thailand visa

Do I need to bring my original passport to the Notary Public?

Notary Public

Per the Lawyers Council of Thailand's Notarial Services rules to "Do I need to bring my original passport to the Notary Public?" — Standard turnaround is 1 business day; same-day service is available by appointment for straightforward files. 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. Free consultation on LINE @Thainotary or call 094-895-8999 (Mon–Sun 08:00–20:00 ICT).

Related service: Notary Public Thailand

How to do a Statutory Declaration in Thailand?

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Practitioner's view to "How to do a Statutory Declaration in Thailand?" — Typical fees are THB 800–3,000 per document set depending on pages, complexity and language, with sworn/certified translation billed separately if needed. 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. Free consultation on LINE @Thainotary or call 094-895-8999 (Mon–Sun 08:00–20:00 ICT).

Related service: All-language translation

Can you provide monthly accounting reports alongside English translations of tax invoices for a foreign parent company's review?

One-stop legal

Per the responsible Thai authority's 2026 practice to "Can you provide monthly accounting reports alongside English translations of tax invoices for a foreign parent company's review?" — 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. Every engagement ships an itemised quotation separating real government fees from professional fees, with one named coordinator per matter and no hidden charges. Free consultation on LINE @Thainotary or call 094-895-8999 (Mon–Sun 08:00–20:00 ICT).

Related service: All-language translation

Do you offer expat relocation services to find houses or condos, complete with a lawyer's review of the lease agreement?

One-stop legal

Short answer to "Do you offer expat relocation services to find houses or condos, complete with a lawyer's review of the lease agreement?" — Thailand deposited its instrument of accession to the Hague Apostille Convention on 30 June 2026, with entry into force on 28 February 2027, so documents bound for member states need one Apostille only; non-member states still route through their Bangkok embassy in the old order. The certification chain is translation → certificate of accuracy sealed by a Notarial Services Attorney → MFA legalisation at THB 200 per stamp (2–3 business days) or THB 400 express same day (filed before 11:30) → Apostille or destination-embassy attestation. Free consultation on LINE @Thainotary or call 094-895-8999 (Mon–Sun 08:00–20:00 ICT).

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Do you offer foreign credential evaluation, translation, and certification for expats applying for corporate jobs in Thailand?

One-stop legal

How our one-stop desk actually runs this to "Do you offer foreign credential evaluation, translation, and certification for expats applying for corporate jobs in Thailand?" — Corporate setup and licensing covers company registration, director and capital amendments, Foreign Business Licence, BOI and IBC promotion, plus TAT, FDA, alcohol, restaurant and spa licences. 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. Free consultation on LINE @Thainotary or call 094-895-8999 (Mon–Sun 08:00–20:00 ICT).

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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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