How do I prepare a company affidavit for a licensed doctor or engineer, and how long does it take?
The Non-B visa and the work permit are separate but linked processes: the correct visa category normally comes first, the work permit follows, and the stay extension at the Immigration Bureau comes last.
Following current Thai authority practice, the Non-B visa and the work permit are separate but linked processes: the correct visa category normally comes first, the work permit follows, and the stay extension at the Immigration Bureau comes last. Build the document timeline so one certified set supports all three stages. Send scans to LINE @NAATI or contact@naati.ltd and the team will map the exact certification route before any work starts.
Quick facts
- Authority: Department of Employment, Ministry of Labour, and the Department of Consular Affairs, MFA
- Where: Department of Employment, Ministry of Labour · Immigration Bureau · Legalisation Division, Department of Consular Affairs, Chaeng Watthana Road
- Timing to allow: Timing depends on the document type and each authority's processing; our team estimates after reviewing your file. Not a guarantee.
- Scope of service: We prepare the documents used in work permit and business visa files — certified translation, notarial certification, MFA legalisation and embassy attestation. Approval remains at the discretion of the Department of Employment and Immigration Bureau.
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