Certified Translation Services

Certified Thai Translation Services

Certified Thai translation for birth certificates (สูติบัตร), marriage certificates, tabien baan (house registration), and academic credentials from Thailand's district offices and universities. Our native Thai translators understand the Thai civil registration system, Buddhist Era dating, and the Royal Thai General System name transliteration used by the Ministry of Foreign Affairs.

60 million speakers 🇹🇭 ภาษาไทย

Why Thai Documents Need Specialized Translators

Our Thai translators are native speakers with deep knowledge of Thailand's Amphoe district office document formats, the Ministry of Interior's civil registration system, and the formal Thai language register used in legal and government documents. They handle Buddhist Era to CE date conversion, Thai name romanization according to the Royal Thai General System (RTGS), and the specific administrative seals and stamps used by Thai government agencies.

Whether you need a Thai สูติบัตร translated for a USCIS filing, a ทะเบียนบ้าน (house registration) for a family-based petition, academic transcripts from Chulalongkorn or Thammasat University for credential evaluation, or Thai court documents for legal proceedings, our Thai translators deliver certified translations with accurate Buddhist Era date conversion and proper name romanization.

Signed Certificate of Accuracy included with every translation — accepted by USCIS, courts, and universities

24-hour turnaround for most certified document translations — same-day rush available

Every project undergoes dual-review quality assurance by a second independent linguist

Why Thai Translation Requires Expertise

Thai presents unique linguistic challenges that machine translation and non-specialist translators consistently fail to handle correctly.

01

Buddhist Era Calendar

All Thai official documents use the Buddhist Era (พุทธศักราช/พ.ศ.) calendar — 543 years ahead of the Gregorian calendar. Year 2567 BE = 2024 CE. Translators must accurately convert and annotate these dates for U.S. authorities.

02

Thai Name Romanization

Thai names can be romanized multiple ways — the same Thai name might appear as "Pornpan," "Phornphan," or "Pawnpan" on different documents. Translators must match the romanization used on the client's passport for USCIS consistency.

03

No Spaces Between Words

Written Thai does not use spaces between words, only between clauses. Segmenting text correctly requires native fluency — machine translation frequently misparses word boundaries, producing nonsensical output.

04

Formal Register & Royal Thai

Thai legal and official documents use a highly formal register with Pali-Sanskrit loanwords (ราชาศัพท์/Royal vocabulary) that differs dramatically from colloquial Thai. Translators must be trained in this administrative language variety.

Machine vs. Professional Translation

See why Google Translate and AI tools can't replace certified human translators for legal documents. A single mistranslated term can delay your case or invalidate your filing.

Translation Quality Comparison — Thai Legal Text
Same source sentence — different approaches
Source (Thai)

สูติบัตรฉบับนี้ออกให้โดยนายทะเบียน อำเภอบางรัก กรุงเทพมหานคร เมื่อวันที่ ๑๕ มีนาคม พ.ศ. ๒๕๖๗

Machine TranslationInaccurate

This birth certificate issued by registrar Bang Rak district Bangkok date 15 March 2567.

Buddhist Era year "2567" left unconverted; article and preposition omissions; "Bangkok" missing full official name rendering
Professional TranslationLegally Accurate

This birth certificate is issued by the District Registrar, Bang Rak District, Bangkok Metropolitan Administration, on March 15, 2024 (Buddhist Era 2567).

Buddhist Era date correctly converted to CE with original BE preserved; proper administrative titles rendered

Thai Documents We Translate

We provide certified translation for all types of Thai documents. Every translation includes a signed Certificate of Accuracy accepted by USCIS, courts, and academic institutions.

สูติบัตร (Birth Certificate)
ทะเบียนบ้าน (House Registration)
ทะเบียนสมรส (Marriage Certificate)
ใบรับรองการศึกษา (Academic Transcript)
ปริญญาบัตร (Degree Certificate)
ใบหย่า (Divorce Certificate)
หนังสือรับรองความประพฤติ (Police Clearance)
ใบมรณบัตร (Death Certificate)
ใบขับขี่ (Driver's License)
หนังสือมอบอำนาจ (Power of Attorney)

How to Get Your Thai Documents Translated

Our streamlined 5-step process ensures your Thai documents are translated accurately, certified professionally, and delivered fast.

Step 01

Upload Your Document

Submit your document through our secure portal or email. We accept PDF, Word, JPEG, PNG, TIFF, and all major formats — even photos of your documents.

Step 02

Receive Your Quote

Get a detailed, transparent quote within minutes. No hidden fees — price includes translation, editing, QA review, and certificate of accuracy.

Step 03

Expert Translation

A certified native-speaking linguist with expertise in your document type translates with precision, preserving legal meaning and cultural context.

Step 04

Quality Assurance

A second linguist independently reviews the translation for accuracy, terminology consistency, and formatting — our double-check guarantee.

Step 05

Certified Delivery

Receive your completed translation with a signed Certificate of Accuracy, ready for submission to USCIS, courts, universities, and government agencies.

Certified & Notarized Thai Translation for Immigration

USCIS, immigration courts, and state agencies require certified translations of all foreign-language documents. Our Thai translations meet every federal and state requirement.

USCIS Required

Certified Translation

Every Thai translation includes a signed Certificate of Accuracy — a sworn statement by the translator attesting that the translation is complete and accurate. This is the minimum requirement for USCIS filings, court submissions, and academic credential evaluations (WES, ECE, NACES members).

Courts & Consulates

Notarized Translation

A notarized translation adds a notary public’s verification that the translator’s signature is authentic. Some state courts, foreign consulates, and government agencies require notarization in addition to certification. We provide notarized Thai translations with same-day availability.

International Use

Apostille Services

For Thai documents being used internationally, an apostille certifies their authenticity under the Hague Convention. We coordinate apostille services with the Secretary of State’s office, providing a complete package: certified translation + notarization + apostille — ready for international legal use.

Common Immigration & Legal Use Cases for Thai Translation

USCIS Form I-130 (Petition for Alien Relative)
USCIS Form I-485 (Adjustment of Status)
K-1 Fiancé Visa Applications
Naturalization & Citizenship Applications
Asylum & Refugee Petitions
Green Card Renewal & Replacement
Family-Based Immigration Petitions
Employment-Based Visa Applications
Court-Ordered Document Translation
Credential Evaluation (WES / ECE)
University Admission Applications
Professional License Applications

Industries We Serve with Thai Translation

Our Thai translators bring specialized knowledge to every industry, ensuring accurate terminology and regulatory compliance.

Legal & Immigration

Court filings, immigration petitions, contracts, depositions, and legal correspondence.

Healthcare & Medical

Medical records, clinical trial documents, patient communications, and insurance forms.

Government & Public Sector

Federal, state, and local government documents, public notices, and regulatory filings.

Financial & Banking

Financial statements, audit reports, banking documents, and compliance materials.

Education & Academic

Transcripts, diplomas, research papers, and credential evaluation documents.

Corporate & Business

Contracts, presentations, marketing collateral, manuals, and corporate communications.

Find Thai Translators by State

Our network of Thai translators spans the entire United States. Select your state to find qualified professionals near you, or request remote services from anywhere.