Certified translation in Thailand: documents to prepare and the correct order of steps
A certified translation starts with a legible original, then a spelling lock against the passport, translation by a named translator who signs the certification, and finally whatever legalisation the receiving party requires, such as the Department of Consular Affairs or an embassy. Turnaround is roughly 1–5 working days depending on page count and queue. Always confirm the recipient's format before filing.
Approximate total time: approximately 1–5 working days
Documents to prepare
Original document or an authority-issued copy always required
Every line, seal and signature must be readable and uncropped.
Passport copy of the document holder always required
Used to lock the English spelling of names across the whole set.
Written requirements from the receiving party always required
States the level of certification expected: translator, consular or embassy.
Thai ID card or house registration copy case by case
Needed when the original spells personal data differently.
Power of attorney case by case
Required when someone else files on your behalf at a government counter.
Previous translations of the same set case by case
Keeps company names and technical terms consistent.
Step-by-step process
1. Check the original for completeness
Confirm all pages are present, scans are sharp, seals are visible and validity matches the recipient's rule.
Duration: about 1 hour
2. Lock names and key terminology
Follow the passport spelling first, then freeze company, school and job-title terms for the entire set.
Duration: about 1 hour
3. Translate with a second-pass review
An independent reviewer re-checks numbers, dates and proper nouns after the first draft.
Duration: about 1–2 working days
4. Match the layout to the original
Tables, seals and signature blocks are placed so the recipient can compare side by side.
Duration: about 2 hours
5. Sign the certification
The translator certifies accuracy with traceable contact details.
Duration: about 1 working day
6. Continue to consular or embassy legalisation if required
Follow the exact order the recipient asks for; a wrong sequence usually means starting again.
Duration: about 2–5 working days
An adviser, not just a filing agency
Our team has worked on Thai document, translation, legalisation and visa cases for more than 15 years. Before we file anything we review your documents, tell you which route the receiving authority actually accepts, and flag the parts that commonly fail — so you are advised, not just served.
Prefer not to deal with the paperwork? We can run the whole case
- If you would rather not chase corrections round after round, we lock name spelling and terminology across the whole set before translation begins.
- We read the recipient's requirements first, which reduces re-translation caused by the wrong certification format.
- When consular or embassy legalisation follows, we continue in the same queue instead of restarting the process.
Send the details of your case first. We will confirm the exact document list and the realistic timeline before any work starts.
Requirements are based on published rules of the relevant authorities and can change. Always confirm with the receiving party before filing.
แหล่งอ้างอิงจากหน่วยงานทางการ
ข้อมูลในหน้านี้อ้างอิงประกาศและระเบียบของหน่วยงานด้านล่าง ตรวจทานล่าสุด กรกฎาคม 2569 — ระเบียบอาจเปลี่ยนแปลงได้ โปรดตรวจสอบกับต้นทาง หรือสอบถามเจ้าหน้าที่ของเราทางโทรศัพท์ LINE หรืออีเมล
- กรมการกงสุล — งานรับรองคำแปล(เปิดในแท็บใหม่)ใช้ยืนยัน: เงื่อนไขการรับรองคำแปลเอกสารราชการไทย
- NAATI (ออสเตรเลีย)(เปิดในแท็บใหม่)ใช้ยืนยัน: มาตรฐานนักแปลรับรอง NAATI และการตรวจสอบสถานะนักแปล
- กระทรวงการต่างประเทศ (MFA Thailand)(เปิดในแท็บใหม่)ใช้ยืนยัน: ข้อมูลสถานเอกอัครราชทูต/สถานกงสุล และประกาศทางการของกระทรวง
- HCCH — Hague Apostille Convention (สถานะภาคี)(เปิดในแท็บใหม่)ใช้ยืนยัน: สถานะการเข้าเป็นภาคีและวันที่อนุสัญญามีผลบังคับกับประเทศไทย