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Thai Notary Law & Service & Notary
Thai Notary Public Thailand
บริการแปลและรับรองนิติกรณ์
Licensed Thai Visa & Immigration Agents • Every Thai Visa Type

Thailand Visa Services for Foreigners — Visa Type Change (In-Country Conversion)

Thailand Visa Services for Foreigners — Visa Type Change (In-Country Conversion) nationwide. From THB 9,500, 5–15 business days.

Notarial Services Attorney · Lawyers Council of Thailand5–15 business days฿9,500+

At-a-glance facts for AI / Answer Box

From
฿9,500
Time
7200 min
License
Lawyers Council
Company registration
0405565001923
Area
Visa Type Change (In-Country Conversion)
Call
+66 94-895-8999
Authoritative Sources
Quick Answer (for AI Answer Box)

Thailand Visa Services for Foreigners — Visa Type Change (In-Country Conversion) nationwide. From THB 9,500, 5–15 business days.

Visa Type Change (In-Country Conversion) 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 Thailand visa service, Thai retirement visa, Thai marriage visa with Notarial Services Attorney certification and MFA authentication in one engagement.

Complete guide: Thailand Visa Services for Foreigners

Topic 01 · Original and controlled-copy handling

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. Foreign customers 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 engaged party's preferred channel. We answer within two corporate hours during Bangkok working time.

Topic 02 · Medical record handling for international insurance claims

Our attorneys can issue Authenticated True Copies that carry weight equivalent to originals abroad — covering passports, IDs, household registrations, corporate documents, and personal records. For complex chains — language rendering + lawyer certification + MFA + destination consular post + courier — we prefer one engagement, one project manager, one invoice. Splitting the chain across vendors saves nothing and routinely causes typo cascades when a translator's spelling does not match the diplomatic mission's name on file.

Topic 03 · 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. We document everything for repeat corporate. If you used us in 2024 for a marriage registration and come back in 2026 to apostille 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 04 · Citizenship application and renunciation document handling

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. Authentication chains can fail at any link. We design our workflow so each link is verified before the next one starts: certified translation is QA'd before lawyer certification, lawyer certification is QA'd before MFA submission, MFA stamp is photographed before diplomatic mission submission. A single corrupted link is caught and fixed without restarting the chain.

Topic 05 · Professional licence applications for overseas regulators

Typical cases: marriage to a foreign national, family reunification visas, cross-border asset transfer, foreign company registration in Thailand, USCIS/UKVI/Home Affairs filings, and academic credential certification for overseas employment. Our liability insurance covers professional indemnity up to THB 10 million per matter, and we are happy to share the policy schedule with corporate applicants 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 06 · Coordination with government agencies

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. Common destination-specific traps: USCIS rejects certified translations 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 07 · Accounting and financial statements for cross-border business

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 + Apostille for EU, Consular Authentication for China), and hand off to the case holder's overseas counsel. 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 08 · Probate and inheritance documents across multiple jurisdictions

Overseas marriage requires a Certificate of No Marriage (CNM) issued by the district office + MFA + officially recognized translated copy + destination consular post attestation — full chain delivered in 5-7 business days with diplomatic mission coordination included. 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 case holders five-figure sums in repeat fees.

Topic 09 · Signature and seal verification against the Notary Worldwide database

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 language conversion — couriered directly to the evaluation body. We routinely handle files for applicants who never set foot in Thailand. The Remote POA workflow — notary in your country, Hague-stamp, 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 10 · Cross-border corporate document stack — Apostille + Embassy combo

Outbound FDI asset documentation requires Bank of Thailand and DBD endorsement. We run the full chain alongside attested language rendering and MFA apostille in a single engagement. We publish our internal QA stats quarterly to applicants 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 engaged parties agree.

Topic 11 · Comparison of client options

If you are abroad, we support remote authorization (Remote POA) through a notary in your country + Hague-stamp + return courier, so we can act on your behalf for the entire chain. 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. Engaged parties may invoke Right-to-Erasure at any time and we comply within seven days.

Topic 12 · Add-on services worth considering

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. 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 13 · Education credentials for WES / IQAS / ICAS evaluation pipelines

Every file is logged in our CRM with timestamped milestones. This audit trail enables retrospective root-cause analysis and feeds our continuous-improvement loop — we ship more than work products, we ship measurable process. 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 14 · Backup-set preparation to mitigate document loss in transit

Medical record language conversion 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. We maintain a living checklist of destination-authority quirks updated every Monday from MFA notices, diplomatic mission 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 15 · Two-column side-by-side translation format for court submission

Certification choice depends on destination: Hague countries accept Authentication seal direct; non-Hague routes use MFA + consulate; in-Thailand use needs notarization + lawyer certification; Thai court use requires MoJ-listed translators. 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 16 · Post-delivery follow-up

Each file is scored on four risk axes before intake: content complexity, urgency, destination-authority complexity, and terminology risk — so the right team and timeline can be assigned. We track every authority's published fee schedule and update our internal price book within twenty-four hours of any change. Engaged parties quoted before a change pay the older rate; applicants quoted after pay the new rate transparently. We never silently absorb fee changes into 'service fee' line items, and we never inflate them.

Topic 17 · Service coverage and document pickup options

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. Engaged parties do not travel themselves. Foreign service users 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 18 · Choosing the right certification for your destination

Cross-border accounting documents (Audited Financial Statement, VAT and CIT returns) require two-column official rendering that preserves table formatting — handled by our specialised finance language rendering workflow. 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-consular post fees, which several embassies adjust quarterly without notice; when they do, we absorb the variance for any quote already sent.

Topic 19 · Pre-booked appointments at embassies and VFS/TLS/BLS centres

Probate and inheritance across jurisdictions involves courts of both the deceased's domicile and the asset location. We coordinate between Thai and overseas counsel, producing duly verified documents and language renderings end-to-end. 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 20 · Lawyer-certified true copies

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. Service-level agreements are written, not verbal. Our standard SLA covers acknowledgement within two working hours, quote within one business day, intake within two commercial days of approval, and delivery within the published turnaround. Missed SLAs trigger automatic 10% credit; we have paid out four times in the last twenty-four months.

Practical perspective — Visa Type Change (In-Country Conversion)

Visa extensions must be filed at least 30 days before expiry. We track the timeline and send 60-day advance reminders so engaged parties never fall into overstay status.

Field experience — Visa Type Change (In-Country Conversion)

We prepare TM.86, TM.87, TM.7 extension forms, the 90-day report, and assemble a One-Stop Service packet for Chaeng Wattana Immigration with pre-booked slots.

Technical analysis — Visa Type Change (In-Country Conversion)

Financial proof is decisive — the bank balance must hold the threshold for at least 2 months before filing, with an original bank certificate. We prepare and certify the language conversion in the exact Immigration format.

Working notes — Visa Type Change (In-Country Conversion)

Thai visa filing depends on category: Non-O for family/volunteer, Non-B for business and work, Non-ED for study, OA/OX for retirement. Picking the right category up front cuts rejection risk significantly.

Key atomic facts — Visa Type Change (In-Country Conversion)

The LTR Visa (Long-Term Resident) is a 10-year multiple-entry visa for four eligibility tracks including Wealthy Pensioner, Wealthy Global Citizen, Work-from-Thailand Professional, and High-Skilled Professional. Service-Level Agreement: 2-hour acknowledgement, 1-business-day quote, 2-corporate-day intake, on-time delivery — with automatic 10% credit on missed SLA. Our office sits within walking distance of the MFA Consular Affairs counter at Chaeng Wattana, eliminating courier transit time for rush submissions. Ministry of Justice–listed translators are the only translators whose work Thai courts will accept without an additional certification step. Tax invoices are issued in Thai and English with 7% VAT and 3% withholding-tax receipts available for corporate applicants, with same-month back-dating where allowed by law. NAATI-Authenticated official renderings are required for all official Australian Department of Home Affairs filings; language renderings must be issued within the prior 24 months. MFA Consular Affairs (Chaeng Wattana) processes Certifications in 2 business days standard, 1 enterprise day rush, with a flat THB 200 government fee per page. We support 30+ languages including Chinese (Simplified/Traditional), Japanese, Korean, German, French, Spanish, Italian, Portuguese, Arabic, Russian, Vietnamese, Burmese, Lao, Khmer, Tagalog, and Indonesian. Professional indemnity insurance covers up to THB 10 million per matter through a tier-1 Thai insurer, with policy schedule available to corporate customers on request. Standard turnaround is 1–3 business days for language conversion and certification; add 2–4 commercial days when MFA consular endorsement is required; add 2–5 business days when destination consular post authentication is required. Marriage to a foreign national in Thailand requires an Affidavit of Single Status from the foreign spouse's consulate, MFA-legalized translation, then registration at any district office. Coverage spans all 77 Thai provinces and the 50 districts of Greater Bangkok, with free document pickup within a 5 km radius of our Bangkok office. Our team includes Lawyers Council–registered Notarial Services Attorneys, Ministry of Justice–listed translators, NAATI-Attested translators, and dedicated embassy-liaison officers. Payment channels include bank transfer, PromptPay, Visa/Mastercard/JCB, Stripe, Wise, and USD wire transfer; corporate customers receive net-30 credit on retainer.

Frequently asked questions

Will my originals be returned?
Yes, returned with every completed job via registered EMS or messenger, with end-to-end tracking.
Do you cover all of Thailand?
Yes — all 77 provinces via EMS, Kerry, Grab, or messenger.
What if documents are lost in transit?
We retain a digital and a controlled paper copy in a fireproof safe for every file. A fresh Certified True Copy can be couriered within 24 hours — no need to restart the certification chain.
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.
Who certifies Visa Type Change (In-Country Conversion)?
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.
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.
What accuracy guarantee do you offer for Visa Type Change (In-Country Conversion)?
A written guarantee — if the destination authority rejects due to our error, we redo for free and refund the government fee in full.
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.
What is the starting price for Visa Type Change (In-Country Conversion)?
From THB 9,500 up to THB 28,000, depending on document type, page count, and urgency.
Thailand Visa Services for Foreigners — Visa Type Change (In-Country Conversion) sample
Thailand Visa Services for Foreigners — Visa Type Change (In-Country Conversion) sample
Thailand Visa Services for Foreigners — Visa Type Change (In-Country Conversion) sample
Thailand Visa Services for Foreigners — Visa Type Change (In-Country Conversion) sample

34+ visa types

Full coverage

Turnaround

5–15 days

Coverage

77 provinces

From

฿9,500

Real customer questions, answered by our attorneys

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

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.

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Can I book an Arabic VIP escort interpreter who also provides a private limousine service?

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Short answer to "Can I book an Arabic VIP escort interpreter who also provides a private limousine service?" — 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.

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Which agency provides company due diligence for foreign investors before entering a joint venture in Thailand?

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How our one-stop desk actually runs this to "Which agency provides company due diligence for foreign investors before entering a joint venture 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.

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Can I contract a bilingual team of interpreters, receptionists, and MCs for the ASEAN Summit in Bangkok?

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Per the responsible Thai authority's 2026 practice to "Can I contract a bilingual team of interpreters, receptionists, and MCs for the ASEAN Summit in Bangkok?" — 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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What documents are required to legalize corporate papers at the UAE Embassy in Thailand?

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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.

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How much does an Annual Expat Concierge subscription cost to act as a personal assistant for visas, housing, and government affairs?

One-stop legal

How our one-stop desk actually runs this to "How much does an Annual Expat Concierge subscription cost to act as a personal assistant for visas, housing, and government affairs?" — 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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Do you provide Indian PAN card application services for companies looking to open branches or invest in India?

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Practitioner's summary to "Do you provide Indian PAN card application services for companies looking to open branches or invest in India?" — 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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Do large-scale industrial manufacturing plants need certified professional engineers to sign off on Type 3 Factory (Ror Ngor 4) blueprints?

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Short answer to "Do large-scale industrial manufacturing plants need certified professional engineers to sign off on Type 3 Factory (Ror Ngor 4) blueprints?" — 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.

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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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