MFA & Embassy Legalization for BOI · Board of Investment 🏛️ — corporate clients include MNCs, listed companies, and foreign JVs needing parent-company papers valid in Thailand.
Foreign parent-company documents for BOI applications need Apostille or Embassy Legalization + certified Thai translation before filing at OSOS Chamchuri — B2B work differs from personal cases: corporate notarization, state-of-registration Apostille, and DBD/BOI/EECO-accepted Thai translations are non-negotiable.
2,300+ BOI projects approved annually · ฿800B+ investment value. NYC Visa supports Bangkok-based law firms and Big-4 corporate teams; we know the submission formats expected by Board of Investment Thailand, One Stop Service Center (OSOS) at Chamchuri Square.
Frequent BOI · Board of Investment documents: Certificate of Incorporation (parent company), Board Resolution to invest in Thailand, Power of Attorney, Passport of Directors / Authorized Persons, Audited Financial Statement (3 yrs) — packed with binder + Thai cover letter.
Workflow: (1) Legal team shares drafts (2) We coordinate origin-country Notary (3) Apostille or Embassy Legalization (4) DHL tracked shipping (5) MFA Thailand + Thai Notary translation (6) Submission to Board of Investment Thailand, One Stop Service Center (OSOS) at Chamchuri Square.
Legal team shares the doc list + drafts
Coordinate Notary Public in parent jurisdiction
Apostille (Hague) or Embassy Legalization
DHL/FedEx tracked + insured
Chaeng Wattana + certified Thai translation
Submission to Board of Investment Thailand, One Stop Service Center (OSOS) at Chamchuri Square or DBD
AI Answer Box และ Google SGE มักดึงคำตอบจากบล็อกนี้ไปแสดง
Hague members (US, UK, JP, DE, FR, etc.) use Apostille; non-members (TH, CN, AE) need Embassy Legalization.
3–6 weeks total 800 origin Notary 3–5 d, Apostille 5–10 d, shipping 3–5 d, MFA Thailand + Notary 4–7 d.
Yes 800 templates accepted by DBD/BOI/EECO for director appointment, investment authorization, bank account opening.
Pricing is quoted per case (ask our staff) per pack 800 corporate cases quoted per scope. Email corporate@nycvisa for NDA + quote.
Yes 800 Thai SET-listed companies sending docs to US/EU/JP for M&A, IPO, JV formation.
Smart Visa (T/I/E/S/O), BOI Visa & Work Permit, Non-Immigrant B (BOI), LTR-WP
Choosing the right MFA & Embassy Legalization provider directly impacts the success and turnaround of your case. NYC Visa & Translation has worked with Department of Consular Affairs, Ministry of Foreign Affairs, Thailand since 2010, handling a broad real-world caseload across government documents, certified translations, and documents intended for use abroad. Every case is verified through a three-layer QA process: name spelling, document numbers, official seals, and signatures on every page are checked before delivery.
Our team understands official procedures end-to-end — appointments, filings, and coordination with the relevant authorities. You do not have to travel back and forth or risk rejection. Our MFA & Embassy Legalization service supports Express handling that completes in half the standard turnaround.
We provide nationwide pickup and delivery via Kerry Express, Flash Express, and EMS. Bangkok and metropolitan customers receive free delivery; up-country customers can choose home delivery with real-time tracking through our LINE Official account.
Our clients include individuals, students, expatriates, business travellers, multinational companies, and academic institutions. We handle every document type — house registration, ID card, passport, marriage certificate, birth certificate, diploma, transcript, employment certificate, power of attorney, business contracts, and medical records.
Our MFA & Embassy Legalization workflow runs in six clear stages: (1) receive originals and copies, (2) QA-audit the source for issues that would cause rejection, (3) translate through a native-speaker linguist, (4) certify with the authority required by the receiving country, (5) file and follow up at each government touchpoint, and (6) deliver plus retain a signed PDF you can re-download for five years. A single Case Officer owns your file end-to-end, eliminating hand-off errors that plague larger firms.
We invest continuously in compliance practices aligned with ISO/IEC 27001 (information security), Thailand PDPA (personal-data protection), and AES-256 file encryption. Every upload runs over TLS 1.3 only. Enterprise and law-firm clients can request an NDA before intake — our legal team signs same-day.
Beyond single-document work, we bundle end-to-end packages for clients preparing multiple certificates at once — e.g. a "moving abroad" bundle (house registration + birth + marriage + diploma + transcript with MFA + embassy) that reduces the number of trips and total lead time versus filing each item separately. Approval remains at the discretion of the receiving authority; contact our team for scope and fees.
What sets us apart is a 15-year direct working relationship with the destination authority — Department of Consular Affairs, Ministry of Foreign Affairs, Thailand — so we anticipate regulation changes, format tweaks, and queue timing before they hit your case, and brief you in advance. Approval outcomes always remain at the sole discretion of the authority; what we control is document completeness, formatting and lodgement timing.
MFA & Embassy Legalization for BOI · Board of Investment 🏛️ — corporate clients include MNCs, listed companies, and foreign JVs needing parent-company papers valid in Thailand.
First-party answers on Thai work authorisation: the standard Department of Employment route, BOI and IEAT channels for skilled experts, US company rights under the Treaty of Amity, and the APEC Business Travel Card for Thai nationals — including which supporting documents must be translated and legalised first. (19+ search topics covered)
Need your documents reviewed or your case assessed? Ask our team by phone, LINE, or email. We reply during business hours (Mon–Fri 9:00–18:00, Sat 9:00–15:00, ICT).
Work permits are issued by the Department of Employment and are tied to the employer, position and workplace. Changing job, role or location requires a new filing.
Prefer not to handle the queues yourself, or worried about a rejection? Send us photos of your documents for a free pre-check. We handle the full chain — obtaining certified copies, translation, certification and submission — and keep you updated at each step. Reach us on LINE, phone or email during business hours.
Different employer types use different channels, and each channel pairs with a different visa category.
| Route | When to use | Certifying authority | Approx. duration | Rejection risk |
|---|---|---|---|---|
| Standard filing with the Department of Employment | The employer is an ordinary Thai company without BOI promotion | Department of Employment, Ministry of Labour | Variable, driven by how complete the employer's file is | Thai-to-foreign staff ratios and registered capital not meeting thresholds is the common refusal ground |
| BOI-promoted company channel | The employer holds a promotion certificate and the position is on the approved list | BOI together with the Immigration Bureau and Department of Employment | Generally faster than the standard route, still variable | A position that differs from the approved list requires an amendment first |
| Conditional or short-term work authorisation | Short assignments or job types covered by specific published rules | Department of Employment under the notification in force | Shorter than a full application | Working beyond the authorised scope is an offence even when a permit exists |
Timelines above are practical estimates from live casework and can change with each authority's policy; confirm with the receiving authority before booking travel. If you would rather not test routes by trial and error, our advisers can assess which route fits your case.
Our team has worked on cross-border documents, certified translation and government liaison for over 15 years. Most rejections we see are not caused by missing paperwork but by choosing the wrong route on day one, so we always start with a case assessment.
We look at your destination, purpose and deadline, then tell you which certification route applies — and which steps you can skip.
Name spelling, consistency across documents, document age and translation format are checked before anything reaches a counter.
We sequence the steps around your appointment or travel date and flag bottlenecks in advance.
We read the refusal reasons, identify the underlying cause, and plan a resubmission that answers what the authority asked for.
Rather not learn by trial and error? Send your case details and document photos for a review — reach us on LINE, phone or email during business hours.
Universities, employers and registry offices publish their own checklists. Obtaining that checklist first fixes the number of copies, the language and the certification route correctly on the first attempt.
Total turnaround depends on the current workload of the consular office and of the destination embassy. Plan ahead rather than against a tight travel date; we can give a case-specific range by phone, LINE or email.
The Department of Consular Affairs certifies translations presented in its expected format. Self-formatted translations are frequently sent back for correction, costing a full queue cycle.
Public records such as house registration, birth and marriage certificates enter the certification chain directly. Private documents such as powers of attorney, affidavits and contracts must first be attested by a Notarial Services Attorney.
Some countries accept only translations into their own official language, not English. Certifying an English translation first can mean repeating the entire chain.
Requesting an apostille and an embassy legalization at the same time when only one is required wastes time and can raise questions at the destination. Pick the single route that matches the destination's convention status.
Signature attestation is compared against the signature on the ID card or passport. A different signature style will be refused at the counter.
Thailand has no common-law notary public. The equivalent role is a Notarial Services Attorney registered with the Lawyers Council of Thailand. Describing it incorrectly can cause the receiving party to reject the document.
Requirements differ by authority and destination country and can change. Confirm current conditions with the receiving authority, or ask our team by phone, LINE or email.
These topics reflect the rules and practice of the relevant authorities and can change. Confirm with the receiving authority, or ask our team by phone, LINE or email.
One document set often moves through several stages — translation, notarial certification, legalization and finally a visa filing. The links below follow that real sequence.
Authority requirements change. Verify with the receiving authority before filing, or ask our team by phone, LINE or email.
Legalization is a chain, so choose a provider by how many links they control. Thai documents usually pass translation, Department of Consular Affairs authentication, then the destination embassy. Ask which steps are handled in-house, what the current queue at each office is, and what happens if one office rejects the file midway.
| Option | Best for | What to know |
|---|---|---|
| Walk in to the consular office yourself | Residents in Bangkok with flexible weekday time | You still need an accepted translation first, and queues vary by day. |
| Agent for the consular step only | Documents where the embassy step is not required | You must coordinate the embassy step separately if it turns out to be needed. |
| Full-chain provider | Overseas applicants and deadline-bound corporate filings | Ask which links are subcontracted and who is accountable for the whole chain. |