Can I work a few days before getting my new Work Permit?

No. Any professional activity without a valid Work Permit is illegal in Thailand, even if your new permit is being processed. The law does not provide a grace period. Wait for the official issuance of the document before starting with the new employer.

Does my visa remain valid if I change employers?

Your non-immigrant B visa is not automatically canceled when changing employers, but it is tied to your Work Permit. If you need to leave Thailand during the transition, a new visa may be required. It is strongly advised to check your visa status with a specialized lawyer or your consulate before making any changes.

How long does it take to obtain a new Work Permit in Thailand?

The standard timeframe is 7 to 15 working days once the complete application is submitted to the Department of Employment (DOE). This timeframe may vary depending on the province, completeness of the application, and current administrative workload. Some BOI companies benefit from expedited processing through their dedicated counter.

What happens if my former employer refuses to cancel my Work Permit?

This is a delicate but relatively rare situation. Legally, at the end of the employment contract, the employer is required to return or cancel the permit. In case of obstruction, you can directly contact the Thai Department of Employment (DOE) to report the situation. A local partner lawyer can assist you in this process and defend your rights, regardless of your nationality.

Does changing employers affect my residence permit (visa extension)?

Yes. The annual extension of your non-immigrant B visa is contingent upon holding a valid Work Permit tied to an active employer. Changing employers without a new Work Permit may jeopardize your next residence extension. It is advisable to plan the change well in advance of your visa renewal date to avoid any interruption in legal status.

Changing Employers with a Work Permit in Thailand

No, a Thai Work Permit is not transferable from one employer to another. It is strictly tied to the company that applied for it. To change employers, you must obtain a new work permit before starting your new job, or you risk working illegally.

Work Permit in Thailand: A Permit Tied to a Single Employer

In Thailand, the work permit (Bai Anunyat Thamngaan) is issued by the Department of Employment (DOE) on behalf of a specific employer. It explicitly states the company's name, the position held, and the workplace. Once you leave that employer, your Work Permit becomes invalid, even if it is still within its validity period.

⚠️ Warning

Working in Thailand without a valid Work Permit, even for a single day, constitutes a violation of the Foreign Working Act B.E. 2551. Penalties include fines of up to 100,000 THB and a possible ban on re-entry.

Steps to Legally Change Employers

The process involves two parties: your former and your new employer. Here are the steps to follow:

Step 1 — Termination with the former employer: The former employer must notify the DOE of the end of your contract and proceed with the cancellation (or return) of your Work Permit within the legal timeframe.
Step 2 — Application submission by the new employer: The new employer must submit a Work Permit application on your behalf to the DOE, along with the required documents (contract, company documents, photos, passport).
Step 3 — Visa verification: Your non-immigrant visa (category B or other) must be valid and compatible. A simple tourist visa does not allow you to obtain a Work Permit.
Step 4 — Obtaining the new permit: Once the permit is issued (usual timeframe: 7 to 15 working days), you can legally start working for the new employer.

✅ Practical Tip

Negotiate with your new employer to initiate the Work Permit application before your effective departure date from the former employer. This minimizes the delays between the two permits. Some companies experienced in international recruitment anticipate this step as soon as the offer is signed.

Documents Generally Required for the New Work Permit

Original passport with valid non-immigrant visa
Recent passport-sized photos (format specified by the DOE)
Signed employment contract with the new employer
Documents from the Thai company (Affidavit, list of shareholders, balance sheet)
Degrees or proof of professional qualifications
Medical certificate issued by a licensed physician in Thailand

💡 Good to Know

If you work for a BOI-promoted company (a company promoted by the Board of Investment), the process for changing employers may differ slightly and can be done through the BOI one-stop service. Check with your new employer about their legal status.

What if I Change Positions within the Same Employer?

A change of position, title, or workplace within the same company also requires a modification of the existing Work Permit. This is not a complete new application, but a formal update with the DOE. Don’t overlook this step: in case of an inspection, a permit stating a different position than the one held may be considered invalid.

For a complete overview of your rights and obligations, check our reference article: Labor Law in Thailand 2026.

⚠️ Disclaimer

This article is provided for informational purposes only and does not constitute legal advice. Laws and regulations vary by country and are subject to change. Consult a qualified professional for your specific situation.

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