File before expiry
Within the window the office accepts.
Work-based extensions are filed at Immigration before the current permission ends, with a valid work permit, employer letter, tax evidence and company documents.

Work-based extensions are filed at Immigration before the current permission ends, with a valid work permit, employer letter, tax evidence and company documents.
This page is for employees renewing annually. Criteria belong to government agencies and may change; check the latest notice before filing. Approval is at officials' discretion.
Within the window the office accepts.
Work permit, PND1, PND50, accounts and Thai staff list.
An under-consideration stamp may come first.
Ensure the work permit does not expire first.




Full coverage
Documents accepted nationwide
Ask our team; confirmed in writing before work starts
Most clients pair these services together
Fees and turnaround depend on the document type and receiving authority — please contact our staff by phone, LINE or email.
Supporting documents and the certification route differ by country of origin. Pick your nationality to see the Royal Thai Embassy that accepts the application, the source language requiring certified Thai translation, and the applicable Apostille or legalisation path.