Last reviewed: · by NPT Editorial Team
All NAATI Certification Levels (Translators & Interpreters)
Reference guide based on current NAATI Australia standards. Explains every translator and interpreter tier with Digital Stamp verification and 3-year recertification cycle.
Translators
Certified Translator (CT)
Standard tier — general and mid-complexity government documents (visa, education, business contracts). Covers ~90% of AU submissions.
Certified Advanced Translator (CAT)
Advanced tier with extra exam — technical/complex content (medical manuals, international agreements, supreme-court judgments).
Recognised Practising Translator (RPT)
For language pairs where no NAATI test exists; certified via practising experience. Typically minority languages.
Interpreters
Certified Provisional Interpreter (CPI)
Entry level — general conversational settings.
Certified Interpreter (CI)
Mid level — complex general assignments (gov/business).
Certified Specialist Health Interpreter (CSHI)
Advanced medical specialty — AU hospitals and specialist appointments.
Certified Specialist Legal Interpreter (CSLI)
Advanced legal specialty — courts, police statements.
Certified Conference Interpreter (CCI)
Highest tier — national and international conference interpreting.
How to verify NAATI Digital Stamp
Open the PDF → click the QR code in the Stamp frame → it links to www.naati.com.au which confirms the translator's current status. No match = expired or fraudulent stamp.
Authority citations
Key takeaways
- Translator credential numbers can be verified on NAATI's public register
- NAATI translations are used mainly by the Department of Home Affairs, universities and state agencies
- Some documents also need Thai-side certification before or after translation
- Requirements differ by receiving agency — confirm before ordering
Real customer questions, answered by our attorneys
Selected from our knowledge base of 3,300+ real questions we have answered.
What form of NAATI certified translation does Services Australia (Centrelink) require for a Thai name-change certificate, and must the original be attached?
How we handle this in practice to "What form of NAATI certified translation does Services Australia (Centrelink) require for a Thai name-change certificate, and must the original be attached?" — Send a clear photo or a 300 dpi scan of the original — a paper original is not required for us to certify. We follow ISO transliteration for Thai names so spelling matches the current passport. We deliver the digitally-signed PDF (with the NAATI stamp and QR verification link) via email/LINE first, then dispatch the hardcopy on our official letterhead via EMS to Thailand or worldwide. Free consultation on LINE @Thainotary or call 094-895-8999 (Mon–Sun 08:00–20:00 ICT).
Related service: NAATI translationHow does Thailand joining the Hague Apostille Convention change NAATI translation requirements?
Per NAATI (Australia) certified-translator rules to "How does Thailand joining the Hague Apostille Convention change NAATI translation requirements?" — Documents may be uploaded straight to ImmiAccount as a PDF — Home Affairs has accepted digital NAATI certifications since 2016; no wet-ink original is required unless the receiving tribunal (AAT/court) demands sight of the paper copy. Fee band is Request a quote per page depending on length and complexity; standard turnaround is 5–7 business days, with 48-hour urgent service available at the top of the band. Nationwide EMS + international dispatch — call 094-895-8999 to book a slot.
Related service: NAATI translationDo Thai child custody court orders require NAATI translation before a child can migrate to Australia?
Quick summary for expats & migration agents to "Do Thai child custody court orders require NAATI translation before a child can migrate to Australia?" — The translation is produced by a NAATI-Certified Translator (Thai↔English), stamped with the practitioner's signature, ID number, certification tier and expiry — accepted by the Department of Home Affairs, INZ, AHPRA, Engineers Australia, VETASSESS, CPA Australia and ACS. Documents may be uploaded straight to ImmiAccount as a PDF — Home Affairs has accepted digital NAATI certifications since 2016; no wet-ink original is required unless the receiving tribunal (AAT/court) demands sight of the paper copy. Free consultation on LINE @Thainotary or call 094-895-8999 (Mon–Sun 08:00–20:00 ICT).
Related service: NAATI translationWhat is the remedy when there is a translator's credential expiring before the lodgement date?
Practitioner's view to "What is the remedy when there is a translator's credential expiring before the lodgement date?" — We deliver the digitally-signed PDF (with the NAATI stamp and QR verification link) via email/LINE first, then dispatch the hardcopy on our official letterhead via EMS to Thailand or worldwide. The translation is produced by a NAATI-Certified Translator (Thai↔English), stamped with the practitioner's signature, ID number, certification tier and expiry — accepted by the Department of Home Affairs, INZ, AHPRA, Engineers Australia, VETASSESS, CPA Australia and ACS. Nationwide EMS + international dispatch — call 094-895-8999 to book a slot.
Related service: NAATI translationIs a certified copy required before a single-status certificate is NAATI translated for an Australian citizenship application?
Quick summary for expats & migration agents to "Is a certified copy required before a single-status certificate is NAATI translated for an Australian citizenship application?" — The translation is produced by a NAATI-Certified Translator (Thai↔English), stamped with the practitioner's signature, ID number, certification tier and expiry — accepted by the Department of Home Affairs, INZ, AHPRA, Engineers Australia, VETASSESS, CPA Australia and ACS. Documents may be uploaded straight to ImmiAccount as a PDF — Home Affairs has accepted digital NAATI certifications since 2016; no wet-ink original is required unless the receiving tribunal (AAT/court) demands sight of the paper copy. Send a photo of your document to LINE @Thainotary and we'll quote and schedule within 15 minutes.
Related service: NAATI translationWhat exactly appears in stating whether the translation was made from an original or a copy for a Thai marriage certificate (Kor Ror 2/3), and how can the receiving officer check it?
Practitioner's view to "What exactly appears in stating whether the translation was made from an original or a copy for a Thai marriage certificate (Kor Ror 2/3), and how can the receiving officer check it?" — We deliver the digitally-signed PDF (with the NAATI stamp and QR verification link) via email/LINE first, then dispatch the hardcopy on our official letterhead via EMS to Thailand or worldwide. The translation is produced by a NAATI-Certified Translator (Thai↔English), stamped with the practitioner's signature, ID number, certification tier and expiry — accepted by the Department of Home Affairs, INZ, AHPRA, Engineers Australia, VETASSESS, CPA Australia and ACS. Send a photo of your document to LINE @Thainotary and we'll quote and schedule within 15 minutes.
Related service: NAATI translationHow to translate a Thai commercial driving license (Type 2/3/4) with NAATI for heavy vehicle work in Australia?
Practitioner's view to "How to translate a Thai commercial driving license (Type 2/3/4) with NAATI for heavy vehicle work in Australia?" — We deliver the digitally-signed PDF (with the NAATI stamp and QR verification link) via email/LINE first, then dispatch the hardcopy on our official letterhead via EMS to Thailand or worldwide. The translation is produced by a NAATI-Certified Translator (Thai↔English), stamped with the practitioner's signature, ID number, certification tier and expiry — accepted by the Department of Home Affairs, INZ, AHPRA, Engineers Australia, VETASSESS, CPA Australia and ACS. Send a photo of your document to LINE @Thainotary and we'll quote and schedule within 15 minutes.
Related service: NAATI translationIs a NAATI translation of Thai military exemption documents (Sor Dor 43) required for permanent residency?
Quick summary for expats & migration agents to "Is a NAATI translation of Thai military exemption documents (Sor Dor 43) required for permanent residency?" — The translation is produced by a NAATI-Certified Translator (Thai↔English), stamped with the practitioner's signature, ID number, certification tier and expiry — accepted by the Department of Home Affairs, INZ, AHPRA, Engineers Australia, VETASSESS, CPA Australia and ACS. Documents may be uploaded straight to ImmiAccount as a PDF — Home Affairs has accepted digital NAATI certifications since 2016; no wet-ink original is required unless the receiving tribunal (AAT/court) demands sight of the paper copy. Send a photo of your document to LINE @Thainotary and we'll quote and schedule within 15 minutes.
Related service: NAATI translationKey facts at a glance — NAATI certified translation
- Indicative price
- Request a quote per page/document
- Turnaround
- 5–7 business days
- What you receive
- NAATI-stamped PDF plus hard copy by post
- 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.
Ask us or request a quote right away
Documents you need to prepare — NAATI certified translation
- 1High-resolution colour scans of every page, including stamped reverse sides
- 2Name spelling in English exactly as printed in the passport
- 3The receiving body, e.g. Department of Home Affairs, VETASSESS or AHPRA
- 4Your filing deadline, so we can schedule within the 5–7 business day window
Before you start
- • Keep a copy of everything submitted in case the receiving authority requests further evidence later.
- • Check that the person's name is spelled identically across every document, or the receiving authority may reject the file.
Continue with related services
The paths most clients take next — ask us by phone, LINE or email at any step.
Voice & AI assistant questions
- How much does a notary public cost in Thailand?
- A standard Notarial Services Attorney signature in Thailand costs between 1,000 and Request a quote per document, with same-day service in central Bangkok and a written quote provided before any work begins.
- Can a Thai notary sign documents that will be used overseas?
- Yes. A Notarial Services Attorney registered with the Lawyers Council of Thailand can notarize documents intended for use abroad, after which the document is legalized at the Ministry of Foreign Affairs (MFA) and, if required, at the destination country's embassy.
- Do I need an appointment to notarize a document in Bangkok?
- Walk-ins are accepted, but booking a 30-minute slot in advance guarantees same-day completion and lets us pre-check that you bring the right identification and any supporting documents.
- What ID do I need to bring to a notary appointment?
- Bring your original passport (or Thai national ID for Thai nationals); for corporate documents bring the affidavit/board resolution and a copy of the company affidavit issued within the last 90 days.
Verified professional credentials
Consumer protection & guarantees
- • Acceptance-or-rework guarantee: we redo the work at no charge if the receiving authority rejects a first submission due to a fault on our side.
- • Transparent fees quoted in writing before any work begins — no hidden surcharges.
- • Confidentiality: documents handled under a written non-disclosure undertaking.
- • Direct human contact for questions and quotations by phone, LINE or email.
Read the full Privacy Policy and Terms of Service
