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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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    BOI Investment Promotion Application

    Complete guide to applying for Board of Investment promotion, including eligible activities, application process, and benefits.

    20 minUpdated: 2026Timeline: 3-6 monthsTHB 50,000-200,000 (consultant fees) + government fees

    Overview

    This comprehensive guide walks you through every step of BOI Investment Promotion Application, including required documents, timelines, and expert tips to help you navigate the process successfully.

    6 steps to complete

    Step-by-Step Process

    1

    Eligibility Assessment

    1-2 weeks

    Determine if your business activity qualifies for BOI promotion under the current investment categories.

    Documents Required

    • Business plan
    • Financial projections
    • Technology description

    Tips

    • Categories are updated annually
    • Some activities require minimum investment
    2

    Prepare Application Package

    2-4 weeks

    Compile all required documents including detailed project feasibility study, financial projections, and technology transfer plans.

    Documents Required

    • Feasibility study
    • Environmental assessment (if applicable)
    • Technology details
    • Projected employment

    Tips

    • Hire experienced BOI consultant
    • Prepare Thai translations
    3

    Submit Application

    1 day

    Submit application to BOI One Start One Stop (OSOS) center or provincial investment office.

    Documents Required

    • Completed application forms
    • Supporting documentation

    Tips

    • Track application online
    • Respond promptly to queries
    4

    Project Review

    1-3 months

    BOI reviews your application and may request additional information or site visits.

    Tips

    • Be available for committee questions
    • Maintain consistent communication
    5

    Board Approval

    1-2 months

    Application presented to BOI Board for final approval decision.

    Tips

    • Large projects go to full Board
    • Smaller projects approved by sub-committee
    6

    Promotion Certificate

    2-4 weeks

    Upon approval, receive promotion certificate and begin operations under BOI privileges.

    Documents Required

    • Acceptance letter
    • Shareholding structure

    Tips

    • Must commence operations within timeline
    • Regular reporting required

    Requirements

    • Minimum investment thresholds (varies by activity)
    • Technology or knowledge transfer requirements
    • Thai employment commitments
    • Environmental compliance
    • No prior promotion for same project

    Tips & Warnings

    Pro Tips

    • Engage BOI-experienced consultants early
    • Prepare detailed technology descriptions
    • Consider zone-based incentives for different locations
    • Combine with FBA license application if needed

    Important Warnings

    • Failure to meet conditions can result in promotion revocation
    • Annual reporting requirements must be maintained
    • Significant penalties for misrepresenting information

    Video Guide Coming Soon

    We're working on a video walkthrough for this guide. Check back soon!

    Need Professional Help?

    Get expert assistance with this process from qualified legal professionals.

    Speak to a Lawyer

    Professional Legal Assistance

    Get professional assistance with boi investment promotion application.

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

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