Changed jobs in Thailand? Your Work Permit must change too

Your permit is tied to your employer - transfer it, do not ignore it.

A Work Permit in Thailand is issued to a named employer for a named position. It is not a personal licence that travels with you. The moment your employer changes, your permit is out of step with reality — even though the card in your wallet looks perfectly valid.

This is the trap. Nothing visibly expires, no alarm goes off, and months later a renewal or an immigration check reveals a problem that has been growing quietly.

What actually counts as changing employer

Three situations come up most often:

• Moving to a new company, with the old permit surrendered or transferred
• Moving within a group, for example from a Thai subsidiary to the regional office
• Staying at the same company but changing job title or duties

The third one surprises people, but it matters just as much. A permit issued for "Marketing Manager" does not cover work as "Operations Director", even in the same building.

The sequence that works

The order matters, and doing it out of order creates extra steps and extra fees:

• Your current employer notifies the Department of Employment that you are leaving
• The old Work Permit is returned or cancelled
• Your new employer prepares its own supporting documents
• A new application is submitted and the permit is issued in the new employer's name

Transitioning through the correct sequence usually keeps your immigration status intact. Doing it late, or skipping the notification, is what turns a routine move into a problem.

Documents usually needed

From you:

• Passport and current visa
• Existing Work Permit
• Photographs and a current medical certificate
• Educational certificates, as with a first application

From the new employer:

• Company affidavit issued within the last three months
• Registration documents, shareholder list and VAT certificate
• Job description and employment contract
• Evidence that the position meets the staffing and capital requirements

How long it takes

Realistically one to three weeks once both employers' paperwork is ready. The slow part is almost never the government — it is waiting for a former employer to sign a release, or for a new employer's documents to be prepared.

Four mistakes that cost people real money

• Working for the new employer before the permit changes. Even a few days of work on the old permit is treated as working without one.
• Assuming a new 90-day report resets automatically. It does not; your reporting obligations continue on their own schedule.
• Letting the old employer delay the release letter, then discovering the delay has pushed you past a deadline.
• Changing job title quietly, then facing questions at the next renewal.

If you have already made a mistake

In many cases it can be corrected. The earlier it is dealt with, the cheaper and simpler it is. What we never recommend is waiting to see whether anyone notices.

What good looks like

A clean transition means: the old employer notified, the permit transferred or reissued, the visa and 90-day reporting aligned, and a copy of everything in one folder. Then the next renewal is routine instead of a rescue job.

Tell us your situation — who your current employer is, who the new one is, and the dates involved — and we will tell you exactly what is required before anything starts.