Thailand Corporate Tax Structure

A comprehensive overview for compliance and optimization

01. CIT Rates

  • General Rate: 20%
  • SMEs:
    • Profit ≤ 300,000 THB: Exempt
    • 300k – 3M THB: 5%-15%
    • Over 3M THB: 20%

02. BOI Privileges

Incentives for promoted sectors (Tech, Green Energy, Biotech):

  • Tax Exemption (0%) for 3-13 years.
  • Import duty exemptions on machinery.
Strategic Advice Apply for BOI promotion or consider SEZs for maximum benefits.

03. Withholding Taxes

  • Dividends: 10%
  • Interest/Royalties: 1-15%
  • Service Payments: 3%
Strategic Advice Leverage Thailand’s 60+ Double Taxation Agreements (DTAs).

04. VAT & SBT

  • Standard VAT: 7% (0% for exports)
  • SBT: 3-5% (Banking & Real Estate)
Strategic Advice VAT registration is mandatory if revenue exceeds 1.8M THB/year.

05. Transfer Pricing

  • Required for revenue > 200M THB.
  • Debt-to-Equity: Max 3:1 ratio.
Strategic Advice Prepare TP documentation early to avoid heavy penalties.

06. Tax Filing

  • Annual: Within 150 days of fiscal end.
  • Interim: Every 2 months (25% estimate).
Strategic Advice Utilize tax loss carry-forwards (up to 5 years).

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