Thai Work-Experience Certificate + Legalization

What an experience certificate has to prove

Skills assessment bodies, licensing authorities and immigration points systems do not accept a friendly reference letter. They test whether the document establishes an employment relationship, its dates, the position held, the hours worked, and the actual duties performed in enough detail to map against an occupational code. A letter that says the employee was hardworking and reliable establishes none of those things and is routinely disregarded.

For Thai employers the additional difficulty is documentary culture. Many Thai companies issue a short certificate of employment with a seal and no duty statement, because that is what Thai practice requires. Converting that into a document an overseas assessor accepts means drafting a duties schedule the employer can honestly sign, evidencing it with payroll and social security records, and translating the whole set consistently.

Elements assessors look for

• Employer letterhead with registered address, registration number and contact details that can be verified independently.
• Exact start and end dates, and whether employment was full time, with weekly hours stated.
• Position title, and where the title is generic, the reporting line and team size.
• Duties written as tasks performed, in the past tense, at a level of detail that maps to an occupational description.
• Signatory name, position and contact, because assessors telephone employers more often than applicants expect.
• Supporting payroll evidence: social security contributions, tax withholding certificates (50 ทวิ) and bank salary credits.

The support pack we build

When the employer will not cooperate

Closed companies, hostile exits and managers who have themselves left are common. The workable substitutes are statutory records rather than personal letters: social security contribution history, tax withholding certificates, provident fund statements, and a statutory declaration by the applicant setting out the duties with the documentary evidence annexed. Assessors accept these more readily than a letter signed by a former colleague without authority, which tends to raise rather than settle doubt.

Common mistakes and how we avoid them

More questions we are asked

Does the certificate need legalisation?

For skills assessment usually not; a certified translation suffices. For licensing bodies and some consular processes the MFA and embassy chain applies, so confirm before starting.

Can a manager sign personally rather than the company?

Yes if the letter is on company letterhead and the manager's authority is evident. A purely personal letter without letterhead carries much less weight.

What if I was paid partly in cash?

Evidence what is documented and explain the rest in a statutory declaration. Overstating documented income is a far greater risk than a modest evidenced figure.

How far back can experience be evidenced?

Social security records go back many years, which often rescues older employment where the company no longer responds.

Do you translate the payroll annexes too?

Yes, and consistently with the certificate, because mismatched renderings of the same Thai title across annexes read as a discrepancy.