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Strategic Tax Planning & Compliance Services
At Siri Audit, we view tax management not merely as an obligation, but as a critical component of your company’s financial strategy. Our mission is to ensure your business not only achieves impeccable compliance with Thailand’s revenue codes but also maximizes its financial efficiency through intelligent tax planning.
Led by our founder, Yaowaluck, a distinguished Thai Certified Public Accountant (CPA), ASEAN CPA, and a certified specialist in Tax Accounting, Internal Audit (IACP), and Data Analytics, we provide comprehensive tax solutions designed for your success and peace of mind.
Tax Advisory
Tax Filing
Tax Refund
Expert tax strategies designed to foster your business’s
Your trusted tax partner, building a foundation for stable and continuous growth.
1. Strategic Tax Advisory & Planning
Navigate the complexities of tax regulations with confidence. Our expert advisory services are designed to transform your tax challenges into opportunities for growth, ensuring you are always positioned for the most favorable outcomes.
- Tax Privilege Optimization: We provide expert guidance on the practical application of tax benefits and privileges from government agencies, including the Board of Investment (BOI), to legally minimize your corporate income tax liability.
- Proactive Scenario Preparation: We strategically prepare your company for specific events such as Revenue Department inspections, tax audits, and refund claims, ensuring a smooth and successful process.
2. Meticulous & Timely Tax Filing
Ensure flawless compliance and avoid costly penalties with our comprehensive monthly and bi-annual tax filing services. We handle the details with precision so you can focus on your core business.
- Monthly Tax Compliance: - Value Added Tax (VAT) - PP.30, PP.36 - Withholding Tax (WHT) - PND.1, 3, 53, 54 - Specific Business Tax (SBT) - PT.40
- Corporate Income Tax (CIT) Compliance: - Half-Year Tax Filing (PND.51): Strategic estimation and timely filing to effectively manage cash flow and maintain compliance throughout the year. - Annual Tax Filing (PND.50): Comprehensive preparation and submission of your annual tax return, ensuring accuracy and alignment with your full-year financial statements.
3. Proactive Tax Refund & Recovery
Unlock your company’s capital. We specialize in identifying and efficiently reclaiming overpaid taxes, directly improving your cash flow and financial health.
- Value Added Tax (VAT) Refund: Expert management of the VAT refund process for both local and exporting businesses.
- Corporate Income Tax & Withholding Tax Recovery: Thorough analysis and claim submission to recover any overpaid income or withholding taxes.
“Contact us today to schedule a consultation and discover how our expert tax services can provide your business with a distinct strategic advantage.”
Siri Audit Office Company Limited
Your Partner in Financial Integrity and Growth

Choosing Siri Audit means partnering with a firm that is deeply committed to your success. We believe that by ensuring our clients operate with financial integrity and optimal efficiency, we are not only supporting their growth but also contributing to a stronger economic community and nation.
Leveraging data-driven insights and a commitment to “the highest ethical standards”, we are ready to become your trusted advisor.
Services
Contacts
Visit Us Daily
63/769 Moo 4, Virat-Hongyok 5/11 Road, Vichit Sub district, Muang district, Phuket
Have Any Questions?
+66 076-609399 +66 092-4241798
Mail Us
info@siriaudit.com
