Home / Certified Translation KB / Visa & Work Permit
Certified Translation — Visa & Work Permit

Where can I find professional Spanish and Portuguese translation services for investment and visas?
Spanish and Portuguese documents appear most often in Thailand in three contexts: investment from Spain, Portugal, or Latin America; marriage or family registration involving nationals of those countries; and academic credential evaluation. The translation chain is the standard third-language route: document legalised in the country of origin (Ministry of Foreign Affairs layer plus Royal Thai Embassy in Madrid, Lisbon, or the accredited embassy for Latin American states), then Spanish/Portuguese→English or Thai translation in Thailand, then MFA certification (200/quoted on request per stamp). Two practical complications are common. First, Latin American documents often carry an apostille, which Thailand does not recognise — the apostille does not replace Thai embassy legalisation, and the document must still go through the Thai embassy accredited to that country (for several South American states this is the embassy in Buenos Aires or Brasília, which adds courier time). Second, Portuguese documents from Brazil versus Portugal use different civil registry formats and different Thai embassy channels. Plan 4–8 weeks for the full chain including international post. Confirm the exact legalisation sequence with the receiving Thai office before dispatching originals. Confirm current requirements with the receiving authority before filing.
Questions in this cluster (7)
- Q1009. Where can I find professional Spanish and Portuguese translation services for investment and visas?
- Spanish and Portuguese documents appear most often in Thailand in three contexts: investment from Spain, Portugal, or Latin America; marriage or family registration involving nationals of those countries; and academic credential evaluation. The translation chain is the standard third-language route: document legalised in the country of origin (Ministry of Foreign Affairs layer plus Royal Thai Embassy in Madrid, Lisbon, or the accredited embassy for Latin American states), then Spanish/Portuguese→English or Thai translation in Thailand, then MFA certification (200/quoted on request per stamp). Two practical complications are common. First, Latin American documents often carry an apostille, which Thailand does not recognise — the apostille does not replace Thai embassy legalisation, and the document must still go through the Thai embassy accredited to that country (for several South American states this is the embassy in Buenos Aires or Brasília, which adds courier time). Second, Portuguese documents from Brazil versus Portugal use different civil registry formats and different Thai embassy channels. Plan 4–8 weeks for the full chain including international post. Confirm the exact legalisation sequence with the receiving Thai office before dispatching originals.
- Q1022. What are the steps for translating marriage certificates for family visa applications in Thailand?
- Marriage certificate translation for Thai family visas (Non-Immigrant O based on marriage, or dependant extensions) follows the standard chain with some visa-specific requirements. Process: the foreign marriage certificate is legalised in the country of issue (foreign ministry plus Royal Thai Embassy), translated into Thai, and certified at the MFA (200/quoted on request per stamp). For a marriage registered in Thailand being used abroad, the direction reverses: the Thai marriage certificate (Kor Ror 3) and marriage registration extract (Kor Ror 2) are translated into English, certified at the MFA, then legalised by the destination country's embassy in Bangkok. Visa-specific points: Thai immigration requires the marriage evidence to be current — some offices ask for an updated extract (Kor Ror 2) issued within the last few months even if the marriage is years old; the spouse's name must match the passport exactly across the certificate, the translation, and the financial evidence; and for marriages registered overseas, some immigration offices additionally require the marriage to be reported and recorded in the Thai civil registry (Kor Ror 22) before they accept it as the basis for an extension. Confirm the specific immigration office's document list before filing, as practice varies between offices.
- Q1026. How to translate police clearance certificates in various languages for Thai work permit applications?
- Police clearance certificates for Thai work permits are required from the applicant's country of nationality and sometimes from countries of prior residence, depending on the employing company's category and the BOI or Department of Employment requirements applicable to the file. The chain: issuance by the police or justice authority of the home country, legalisation (foreign ministry plus Royal Thai Embassy), translation into Thai or English, MFA certification (200/quoted on request per stamp). Key constraints: the certificate is almost always time-limited — Thai authorities commonly require issuance within 3–6 months of submission, so ordering it too early wastes it; some countries issue the certificate only to the applicant in person or via a consular channel, which affects timing; and certificates with any recorded conviction need the underlying court disposition translated as well, because a bare 'record exists' result is not assessable. For applicants already in Thailand, several countries allow application through their embassy in Bangkok (e.g., some EU states), which shortens the chain. For work-permit renewals, a fresh foreign clearance is usually not required — the requirement applies at first application or category change. Confirm the current requirement with the Department of Employment or the BOI unit handling the file before ordering, as the accepted certificate type varies by country.
- Q1043. How to translate employment verification and salary letters for various Thai visa categories?
- Employment verification and salary letters support several Thai visa and permit categories — work-permit applications, Non-B extensions, LTR applications, and DTV applications where employment by a foreign company is the basis. The letter's content requirements matter more than the translation: it must be on company letterhead, signed by an authorised person, state the position, employment start date, salary (with currency), and employment type (permanent or contract with end date), and be dated recently — most offices want issuance within 1–3 months. The translation workflow: if the letter is issued in English, it is generally accepted directly by Thai immigration and the Department of Employment; letters in other languages need certified translation with MFA certification (200/quoted on request per stamp) where the office requires it. Category-specific points: for LTR (work-from-Thailand professional category), the letter must evidence employment by a company meeting the revenue or listing thresholds, and the employer's corporate documents may need translation too; for DTV, the letter must show remote-work arrangements explicitly; for Non-B extensions, the letter must match the work-permit details exactly — position title and salary inconsistencies between the letter, the work permit, and the company's filings are a common rejection cause. Where the employer is foreign, the letter may need legalisation depending on the receiving office. Confirm the specific office's current requirements before drafting the letter.
- Q1058. What translation rules govern special visa document sets (Non-B, LTR, DTV, Elite)?
- Each special Thai visa category has its own document set and its own translation rules. Non-B (business/work): the employer's corporate documents (DBD affidavit, shareholder list, VAT registration, financial statements) are Thai documents needing no translation for the filing; the employee's foreign documents (degree, police clearance where required) follow the standard legalisation-plus-translation chain. LTR: administered by the BOI with published document lists per category — foreign employment letters, tax returns, and corporate evidence are generally accepted in English without legalisation for the BOI stage, but confirm against the current BOI checklist; the health insurance and background documents have their own forms. DTV: the remote-work or soft-power evidence (employment contracts, client agreements, course enrolments) is accepted in English; third-language documents need English translation; legalisation is generally not required at application but the embassy may ask for originals. Thailand Privilege (Elite): the document set is minimal (passport, application forms) and translation is rarely needed. Cross-cutting rules: names must match the passport across every document; financial evidence must be recent (1–3 months depending on category); and where a document is translated, the translation should be certified — an uncertified translation can be rejected at the officer's discretion. Requirements change frequently — confirm the current checklist with the administering agency (immigration, BOI, or the Thai embassy where applying) before preparing the set.
- Q1126. How to translate foreign work permit records for immigration verification?
- Foreign work permit records are verified in Thailand in two main situations: a foreign worker's prior overseas employment evidence for Thai visa or work-permit purposes, and Thai immigration or labour authorities verifying a worker's history. The document types: foreign work permits or work visas (the permit document itself), employment verification letters confirming the work history, and social security or tax records evidencing the employment. The translation workflow: the foreign permit and supporting records are legalised through the chain where the Thai authority requires it (home-country authentication, Royal Thai Embassy legalisation), translated into Thai, and certified — though for many visa categories the authorities accept English documents directly, so confirm the specific checklist first. Points that matter: the permit's data fields (holder's name matching the passport, employer, occupation, validity dates) are transcribed exactly — the validity dates establish the work history timeline; where the evidence supports a skills-based application (SMART visa, LTR, BOI positions), the occupation description must align with the target category's definitions; and for the reverse direction (a Thai worker's Thai work permit records for foreign use), the Thai permit is translated into English and certified at the MFA, with embassy legalisation where the foreign authority requires it. Practice points: immigration verification can involve the issuing authority directly — the translated document must match what the issuer would confirm; and for workers with multi-country histories, organise the evidence chronologically with each country's documents in its own legalised set. Confirm the specific Thai authority's accepted evidence forms before commissioning the translation.
- Q1130. How to translate birth certificates and house registries for permanent residency applications?
- Birth certificates and house registration documents for Thai permanent residency applications follow the Immigration Bureau's PR checklist, which is document-heavy and specific. The foreign documents: the applicant's birth certificate, marriage or divorce certificates where applicable, and the family-status evidence are legalised through the chain (home-country authentication, Royal Thai Embassy legalisation), translated into Thai, and certified at the MFA — the PR application is a Thai-language process and the document set is filed in Thai. The Thai-side documents: for applicants with Thai family connections (a Thai spouse or Thai children), the Thai house registration (tabien baan), birth certificates, and marriage registration are obtained from the district office — these are Thai documents needing no translation for the PR file, but the applicant's copies for foreign use follow the reverse chain. Points that matter: names must be consistent across the entire file — the passport, the birth certificate, the marriage certificate, and any children's documents must tell one consistent identity story, and name variations need linking evidence; the PR categories (investment, employment, family, expert) have different document emphases — the family category leans on the civil-status documents this question covers; and the house registration's role differs for foreigners — a foreigner appears on a Thai house registration in limited circumstances, and the immigration record (TM30 history) often serves as the residence evidence instead. Practice points: the PR application window opens annually with quotas per nationality — the document set must be complete and current when the window opens, so the legalisation chains (which take weeks) are started months ahead. Confirm the Immigration Bureau's current PR checklist before preparing the set.
Keywords in this cluster (12)
- แปลเอกสารวีซ่า ทุกภาษา ใช้ในไทย
- multi-language visa document translation thailand
- แปลเอกสาร LTR Visa ทุกภาษา
- multi-language LTR visa translation thailand
- แปลเอกสาร DTV Visa ทุกภาษา
- multi-language DTV visa translation thailand
- multi-language elite visa translation thailand
- บริการแปลภาษารัสเซีย สำหรับวีซ่าและธุรกิจ
- russian translation for visa and business thailand
- แปลใบอนุญาตทำงาน (Work Permit) ต่างประเทศ
- foreign work permit document translation
- แปลใบรับรองผลการตรวจสุขภาพสำหรับวีซ่า
Free initial enquiry & quote: 083-2494999 · LINE @NYC168 · contact@nyclegal.co.th
Ready to file? Related services
This knowledge base is written from files our team submits every day. Order directly by phone, LINE or email — no cart, no sign-up.
- Certified translation — all languages
Thai–English, fee quoted after document review
- Sworn translation
For embassies requiring a sworn translator
- Court & MoJ translation
Judgments, pleadings, court orders
- Interpreting services
Court, business and medical interpreting
- Translation catalogue
Pick the exact document to translate
- Master service catalogue
All clusters in one index
Free initial enquiry & quote: 083-2494999 · LINE @NYC168 · contact@nyclegal.co.th
Official sources — document translation
The information on this page follows the official sources below. Always check the latest version before you file.
- Department of Consular Affairs — document legalisation— Ministry of Foreign Affairs
- Legalization e-Service appointment system— Department of Consular Affairs
- Ministry of Justice— Ministry of Justice
- ISO 17100 — Translation services requirements— ISO
- USCIS — certified English translation requirement (8 CFR 103.2(b)(3))— USCIS
- UK Home Office — certified translations for visa applications— GOV.UK
Related services
Most document work runs across several steps — jump straight to the next one you need.
- Sworn translation
- NAATI translation
- Consular legalization
- Notary Public
- Interpreting services
- Full service index
Contact us by phone, LINE or email for a free initial enquiry and a quote after document review. Timing depends on the work and relevant authorities.
General information before proceeding: Confirm current requirements with the receiving authority before using your documents. This page is not a legal opinion for your individual case — meet the team · editorial policy
Not sure which service you need? Read the guides
Each guide answers first, then explains: decision criteria, comparison tables, the real process and the mistakes we see most often.
- Choosing a certified translation provider
How to pick a translator accepted by consular, embassy and receiving bodies
- Services for expats living in Thailand
Signature certification, residence, marriage and everyday paperwork
- Notary Public and consular legalization
The correct order of steps before sending documents abroad
- Choosing the right visa and work permit
Compare visa categories and the documents each one needs translated
- Translation by language
English, Chinese, Japanese, European, Arabic, Russian and embassy rules
- Specialized translation
Contracts, financial statements, MSDS, ISO and BOI filings
Talk to us first: 083-2494999 · LINE @NYC168 · contact@nyclegal.co.th






