Notary Public Sukhumvit, Asoke, Thonglor
English-speaking notary public in Sukhumvit corridor — Asoke, Thonglor, Ekkamai, Phrom Phong.

Frequently asked questions
English-speaking?
Yes — all attorneys are licensed Notarial Services Attorneys with full English fluency.
Near BTS?
ILC Sukhumvit walk-in steps from Asoke BTS.
Go deeper on Notarial services attorney certification
Our advisory team has run these certification chains for 15+ years. Two references we keep updated for clients:
- Step-by-step playbook: documents, order of certification, rejection risks
- Route comparison: which certification path your receiving authority accepts
Not sure which route applies? Send us the scan — LINE @NAATI · 080-5578887 · ilc@thainotary.co.th
Documents usually required
- Original document plus one clear copy of every page
- Copy of the passport or Thai national ID card of the signatory
- Written statement of the purpose and the receiving authority
- Supporting records the receiving authority lists in its own checklist
Common reasons a bundle is rejected
- A Thai notarial services attorney is not identical to a foreign Notary Public; confirm what the destination accepts.
- The signatory must sign in front of the attorney, not beforehand.
- Spell every name exactly as it appears in the passport, across every document in the same bundle.
Prefer not to handle the chain yourself? Send the scans and we run every step for you, from translation to the final endorsement.
What clients typically use this for
- Signature and copy certification
- Powers of attorney used abroad
- Corporate and banking instruments
An advisor, not only a document processor
Before any work starts, our team assesses how many certification layers your document actually needs, which authorities are involved, and the correct order for the office you will really file with. One step out of order usually means restarting the whole bundle. More than 15 years of cross-border document work means we recognise how each authority rejects files and prevent it up front.
- The certification route is matched to the receiving authority before work begins.
- Rejection risks are checked, from name spelling to document validity windows.
- The filing sequence is planned around the deadline you actually have.
Consult us at LINE @NAATI · 080-5578887 · ilc@thainotary.co.th
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