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Comparing Thai work permit routes

Different employer types use different channels, and each channel pairs with a different visa category.

Standard filing with the Department of Employment

The employer is an ordinary Thai company without BOI promotion

Certifying authority
Department of Employment, Ministry of Labour
Indicative timeline
Variable, driven by how complete the employer's file is
Pitfalls / common rejections
Thai-to-foreign staff ratios and registered capital not meeting thresholds is the common refusal ground

BOI-promoted company channel

The employer holds a promotion certificate and the position is on the approved list

Certifying authority
BOI together with the Immigration Bureau and Department of Employment
Indicative timeline
Generally faster than the standard route, still variable
Pitfalls / common rejections
A position that differs from the approved list requires an amendment first

Conditional or short-term work authorisation

Short assignments or job types covered by specific published rules

Certifying authority
Department of Employment under the notification in force
Indicative timeline
Shorter than a full application
Pitfalls / common rejections
Working beyond the authorised scope is an offence even when a permit exists

Note: Timelines above are practical estimates from live casework and can change with each authority's policy; confirm with the receiving authority before booking travel. If you would rather not test routes by trial and error, our advisers can assess which route fits your case.

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