Notary by AU State

Notary by AU State in Thailand: required documents, step-by-step process, professional tips, common pitfalls and how our 15+ year consulting team handles the whole chain for you.
Documents to prepare
- Original passport or Thai ID of every signatory (must be shown in person)
- The full document to be notarised, all pages, unsigned
- The original document when a certified true copy is required
- Company affidavit issued within 6 months plus company seal (for corporate signatories)
- Any wording or form template required by the receiving party
Step-by-step process
- Pre-check the document — Send a scan; a consultant confirms which notarial act the receiving party actually needs.
- Choose the certificate wording — Wording is matched to what the university, court, bank or foreign authority accepts.
- Book the attorney — At our office, or on-site for corporate clients.
- Sign before the attorney — Signatories show original ID and sign in the attorney's presence.
- Seal and register — The Notarial Services Attorney signs, seals and records the act in the register.
- Onward legalisation (if used abroad) — Filed with the MFA and the destination embassy in the correct order.
- Delivery and archive — Collected or couriered with tracking; a scanned copy is retained for later verification.
Common pitfalls to avoid
- Extracts older than the authority's accepted window are rejected — always check the issue date first.
- Translating before obtaining a fresh certified copy usually forces a full restart.
- Name spelling that differs from the passport is the single most common rejection reason.
- Each embassy has its own binding, paper size and language rules — do not assume they are the same.
- Sequence matters: certification, legalisation and embassy steps cannot be reordered.
Frequently asked questions and answers
What exactly does Notary by AU State cover?
Notary by AU State covers document preparation, translation where required, certification by the competent authority and — when the document is used abroad — legalisation through the Ministry of Foreign Affairs and the destination embassy. Our consultants confirm the exact chain for your specific document before you start.
Which documents do I need to prepare first?
Original passport or Thai ID of every signatory (must be shown in person) • The full document to be notarised, all pages, unsigned • The original document when a certified true copy is required • Company affidavit issued within 6 months plus company seal (for corporate signatories) • Any wording or form template required by the receiving party
How long does the whole process take?
In-office certification is usually same-day. Ministry legalisation and embassy steps depend on each authority's queue, so we give a written timeline per case after reviewing your documents.
Can you handle everything for me?
Yes. This is the option most clients choose: you send the documents, our consulting team maps the requirements, prepares, certifies, files and delivers, and we stay available if the receiving authority asks for anything more.
How much does it cost?
Fees depend on document type, language and the authorities involved. Contact our team via phone, LINE or email for a written quotation before any work starts.
Are you only a filing agency?
No. With 15+ years of practice we act as consultants first: we advise on which route is valid, what the receiving body will accept, and which steps you can safely skip — then execute the work for you.
What happens if the authority rejects a document?
We pre-check against the destination checklist to avoid it. If a rejection still happens on work we handled, we correct and refile it as part of the same engagement.
Do you serve clients outside Bangkok or overseas?
Yes — nationwide in Thailand and for Thai nationals and foreign nationals abroad, using couriered originals and digital pre-checks.
Prefer not to handle this yourself?
Our consulting team has advised on document chains for over 15 years. Send your documents and we handle preparation, certification, filing and delivery end to end — and advise you at every decision point.
Talk to a consultant