Educational Information Only — Not Legal Advice

    This site provides educational information only and is not a substitute for professional legal advice. Consult a qualified Thai lawyer for personalized guidance. Laws may change. Full DisclaimerPrivacy Policy

    Skip to main content
    Thai LawKNOWLEDGE AUTHORITY
    Last updated:
    Share:

    Educational Information Only

    The content on this page is for general educational purposes and does not constitute legal advice. Every legal situation is unique. For matters involving investigation, arrest, litigation, or formal proceedings, consult a qualified legal professional.

    social-security
    serious offence

    Employer Non-Registration in Thailand

    Failing to register employees with the Social Security Office as required by law

    Last updated: February 2026
    Legal Sections

    Social Security Act B.E. 2533 (1990) §87

    Maximum Penalty

    Fine up to THB 20,000 and/or imprisonment up to 6 months

    Severity Level

    serious

    Definition

    Failing to register employees with the Social Security Office as required by law Under Thai law, this offence is classified as a serious offence within the category of social-security.

    Elements of the Offence

    For a conviction, the prosecution must prove all of the following elements beyond reasonable doubt:

    1

    Employing one or more workers

    2

    Failure to register with SSO within 30 days

    3

    Failure to remit contributions by the 15th of following month

    Penalties

    Maximum Penalty

    Fine up to THB 20,000 and/or imprisonment up to 6 months

    Actual sentences depend on factors including the severity of the conduct, harm caused, prior convictions, and mitigating circumstances. Courts have discretion to impose lesser sentences within the statutory range.

    Possible Defences

    The following defences may be available depending on the circumstances:

    Administrative error promptly corrected

    Dispute over employment status

    Note: The availability of defences depends on specific facts. Professional legal advice is essential.

    For Foreigners

    Special Considerations for Foreign Nationals

    Employers of foreign workers must register them if they hold valid work permits.

    When Legal Representation Matters

    If you are accused of employer non-registration or facing investigation, immediate legal representation is essential to protect your rights and build an effective defence.

    Anglo Siam Legal provides experienced legal services across Thailand for both Thai nationals and foreigners.

    feedback.wasThisHelpful