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    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.

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    Foreign Company Branch Office Registration

    Guide to establishing a branch office for foreign companies in Thailand, including working capital requirements and licensing.

    15 minUpdated: 2026Timeline: 2-3 monthsTHB 200,000-500,000 (fees and consultants)

    Overview

    This comprehensive guide walks you through every step of Foreign Company Branch Office Registration, including required documents, timelines, and expert tips to help you navigate the process successfully.

    4 steps to complete

    Step-by-Step Process

    1

    Foreign Business License

    2-3 months

    Branch offices require FBA license for most commercial activities in Thailand.

    Tips

    • BOI promotion can bypass FBA
    • Some treaty exemptions apply
    2

    Working Capital Transfer

    2-4 weeks

    Transfer minimum working capital (typically THB 3 million) to Thailand and maintain throughout operations.

    Documents Required

    • Bank remittance proof
    • Foreign exchange control forms

    Tips

    • Keep FX documentation
    • Capital must remain in Thailand
    3

    Branch Registration

    2-3 weeks

    Register branch with Department of Business Development as representative of foreign company.

    Documents Required

    • Head office incorporation documents
    • Board resolution
    • Power of attorney for Thai representative

    Tips

    • All documents must be notarized and legalized
    • Thai translations required
    4

    Tax Registration

    1-2 weeks

    Register for corporate income tax, VAT, and other applicable taxes.

    Documents Required

    • Tax registration forms
    • Branch registration certificate

    Tips

    • Branch is taxed only on Thai-source income
    • File annual returns like domestic company

    Requirements

    • Foreign Business License (unless exempt)
    • Minimum working capital maintained in Thailand
    • Appointed Thai branch manager
    • Registered office in Thailand
    • Legalized head office documents

    Need Professional Help?

    Get expert assistance with this process from qualified legal professionals.

    Speak to a Lawyer

    Professional Legal Assistance

    Get professional assistance with foreign company branch office registration.

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

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