Certified translation
688 topics grouped by document type and receiving authority (page 9/9) — requirements change, so confirm with the receiving authority or ask our staff by phone, LINE or email.
688 topics grouped by document type and receiving authority (page 9/9) — requirements change, so confirm with the receiving authority or ask our staff by phone, LINE or email.
The standard sequence is: verify the original, prepare the translation or certification in the required format, certify with our certifying translator, then re-check before filing.
The baseline set is the original a birth certificate (or an officially certified copy), a passport or ID copy of the holder, and a power of attorney if someone else acts for you.
Turnaround depends on how complete the original is and on the authority's queue at the time, so treat any figure as an approximate range and avoid booking travel before the papers are in hand.
The final certification sits with our certifying translator; document preparation and translation can be arranged in advance from Bangkok or upcountry.
Preparation and draft review can run online, but many authorities still require the physical original at the certification stage, so confirm the accepted format in writing first.
If you are outside Bangkok you can courier the original a birth certificate, enclosing a passport copy and a contact number in the same envelope.
Rush handling can only compress the parts we control, such as drafting and courier legwork; the authority's own queue is outside anyone's control.
The most frequent causes are a name spelling that differs from the passport, an original older than the receiving body allows, and a translation that omits seals or the final page.
Once certified, the a birth certificate is accepted by the receiving body it was prepared for; if the destination changes, re-check the certification format required.
From overseas you can appoint a representative in Thailand; the power of attorney must first be certified in the form the receiving authority requires.
Prepare at least one spare set: receiving bodies usually retain the certified original, and producing more later means repeating the certification steps.
A representative needs a power of attorney plus ID copies of both parties, and our certifying translator will check that names match the source document.
The standard sequence is: verify the original, prepare the translation or certification in the required format, certify with our certifying translator, then re-check before filing.
The baseline set is the original a birth certificate (or an officially certified copy), a passport or ID copy of the holder, and a power of attorney if someone else acts for you.
Turnaround depends on how complete the original is and on the authority's queue at the time, so treat any figure as an approximate range and avoid booking travel before the papers are in hand.
The final certification sits with our certifying translator; document preparation and translation can be arranged in advance from Bangkok or upcountry.
Preparation and draft review can run online, but many authorities still require the physical original at the certification stage, so confirm the accepted format in writing first.
If you are outside Bangkok you can courier the original a birth certificate, enclosing a passport copy and a contact number in the same envelope.
Rush handling can only compress the parts we control, such as drafting and courier legwork; the authority's own queue is outside anyone's control.
The most frequent causes are a name spelling that differs from the passport, an original older than the receiving body allows, and a translation that omits seals or the final page.
Once certified, the a birth certificate is accepted by the receiving body it was prepared for; if the destination changes, re-check the certification format required.
From overseas you can appoint a representative in Thailand; the power of attorney must first be certified in the form the receiving authority requires.
Prepare at least one spare set: receiving bodies usually retain the certified original, and producing more later means repeating the certification steps.
A representative needs a power of attorney plus ID copies of both parties, and our certifying translator will check that names match the source document.
The standard sequence is: verify the original, prepare the translation or certification in the required format, certify with our certifying translator, then re-check before filing.
The baseline set is the original a birth certificate (or an officially certified copy), a passport or ID copy of the holder, and a power of attorney if someone else acts for you.
Turnaround depends on how complete the original is and on the authority's queue at the time, so treat any figure as an approximate range and avoid booking travel before the papers are in hand.
The final certification sits with our certifying translator; document preparation and translation can be arranged in advance from Bangkok or upcountry.
Preparation and draft review can run online, but many authorities still require the physical original at the certification stage, so confirm the accepted format in writing first.
If you are outside Bangkok you can courier the original a birth certificate, enclosing a passport copy and a contact number in the same envelope.
Rush handling can only compress the parts we control, such as drafting and courier legwork; the authority's own queue is outside anyone's control.
The most frequent causes are a name spelling that differs from the passport, an original older than the receiving body allows, and a translation that omits seals or the final page.
Once certified, the a birth certificate is accepted by the receiving body it was prepared for; if the destination changes, re-check the certification format required.
From overseas you can appoint a representative in Thailand; the power of attorney must first be certified in the form the receiving authority requires.
Prepare at least one spare set: receiving bodies usually retain the certified original, and producing more later means repeating the certification steps.
A representative needs a power of attorney plus ID copies of both parties, and our certifying translator will check that names match the source document.
The standard sequence is: verify the original, prepare the translation or certification in the required format, certify with our certifying translator, then re-check before filing.
The baseline set is the original a birth certificate (or an officially certified copy), a passport or ID copy of the holder, and a power of attorney if someone else acts for you.
Turnaround depends on how complete the original is and on the authority's queue at the time, so treat any figure as an approximate range and avoid booking travel before the papers are in hand.
The final certification sits with our certifying translator; document preparation and translation can be arranged in advance from Bangkok or upcountry.
Preparation and draft review can run online, but many authorities still require the physical original at the certification stage, so confirm the accepted format in writing first.
If you are outside Bangkok you can courier the original a birth certificate, enclosing a passport copy and a contact number in the same envelope.
Rush handling can only compress the parts we control, such as drafting and courier legwork; the authority's own queue is outside anyone's control.
The most frequent causes are a name spelling that differs from the passport, an original older than the receiving body allows, and a translation that omits seals or the final page.
Once certified, the a birth certificate is accepted by the receiving body it was prepared for; if the destination changes, re-check the certification format required.
From overseas you can appoint a representative in Thailand; the power of attorney must first be certified in the form the receiving authority requires.
Prepare at least one spare set: receiving bodies usually retain the certified original, and producing more later means repeating the certification steps.
A representative needs a power of attorney plus ID copies of both parties, and our certifying translator will check that names match the source document.
First-party answers on language coverage, Thai civil-registry documents, translator certification, MFA legalisation and onward embassy attestation. (53+ 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).

Before translating anything, identify the certification system the receiving authority accepts: NAATI (Australia), sworn translators (Germany, France, Spain, Italy), certified translation with a Certificate of Accuracy (US/UK), or a Ministry of Justice registered translator for Thai courts.
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.
"Certified translation" does not mean the same thing everywhere — each receiving body accepts a different format.
| Route | When to use | Certifying authority | Approx. duration | Rejection risk |
|---|---|---|---|---|
| Translator's certification + consular legalisation | Thai documents going to a foreign authority via its embassy | Department of Consular Affairs, MFA Thailand | Variable, depending on queue and submission channel | A layout that does not match the consular template is refused at the counter |
| Translation by an accredited/sworn translator abroad (NAATI, sworn translator) | Destination is Australia or a sworn-translator jurisdiction | That country's accreditation body, e.g. NAATI | Variable, usually a few working days | Using a translator whose accreditation lapsed, or a translation without the stamp/registration number |
| Translation certified by a notarial services attorney | The receiving party is private — a university, employer or overseas bank | Attorney licensed by the Lawyers Council of Thailand | Usually same day to a few days | Many foreign government bodies will not accept this in place of consular legalisation |
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.
When translation, certification and apostille or embassy steps are chained, allow for each authority's queue and start with the longest step so the underlying original does not age out.
Many civil-registry and court documents are only accepted if issued recently. Request a newly certified copy before translation rather than reusing an old photocopy.
Certification systems are not interchangeable. Australian authorities require NAATI-certified translators, while documents used inside Thailand or filed at embassies in Thailand usually need translation certification by the Department of Consular Affairs. Tell us the receiving authority and country first.
Translations must reproduce the given name and surname exactly as printed in the passport you will submit, not a fresh transliteration. Always send the passport bio page together with the documents.
A consular-certified Thai translation does not replace a NAATI translation for Australian authorities, and a NAATI stamp is not a Thai government certification. Choose the system that matches the destination from the start.
Many authorities require the source document to be attached to each translated page so the text can be verified. A standalone translation is usually returned.
If you have changed your name or used different spellings, include the official name-change certificate and its translation; otherwise the authority may treat the documents as belonging to different people.
Seals, signatures, reverse-side text and marginal notes must all be rendered or described. Omitting them is one of the most common rejection causes.
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.