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VAT & Tax Services in Thailand

VAT & Tax with SiamConsult

SiamConsult Assistance with VAT & Tax Services

Dealing with VAT & tax regulations in Thailand can be a bit complicated, but SiamConsult is here to simplify the process for you.
We provide a complete range of VAT and tax services to help you stay compliant, minimize your tax burden, and avoid costly penalties.

Whether you’re a local entrepreneur, a foreign investor, or an individual taxpayer, we support clients throughout Southern Thailand—including our KrabiAo NangKoh LantaPhi PhiPhang Nga, and Phuket branches.

VAT Registration and Filing

  • We handle your VAT registration to ensure your business is correctly set up and compliant under Thai tax law.
    Learn more from the Revenue Department’s VAT overview.
  • Our team prepares and submits monthly and quarterly VAT returns on time to help you avoid fines.
  • We advise on how to manage input tax credits and structure your operations to minimize VAT liabilities.

Tax Compliance and Preparation

  • We offer complete corporate and individual tax filing services, including statutory audits and annual returns.
  • We ensure compliance with corporate income tax, specific business tax, and withholding tax.
    Visit the official CIT page for more information.
  • We help you claim legal deductions, allowances, and credits to reduce your tax exposure.

Strategic Tax Planning

  • Our experts work with you to develop tax strategies that are fully compliant and financially efficient.
  • We provide guidance on investment structuring, international transactions, and long-term tax forecasting.
  • Considering property or corporate expansion? Read our Thai Property Buying Guide and our Company Setup Guide.

Support During Tax Audits

  • We help you respond confidently to Revenue Department audits.
    Learn more at the Thai Revenue Department portal.
  • Our team prepares audit-ready documents and resolves any issues proactively to protect your business.
  • We also represent your interests during negotiations and official inquiries.

International and Expat Tax Advisory

  • We handle cross-border tax planning and compliance with double taxation agreements (DTAs).
  • We advise on transfer pricing and global reporting standards using the Revenue Department’s international tax guide.
  • We assist expatriates in managing their personal income tax, reporting, and residency matters in Thailand.

Why Work with SiamConsult?

  • You’ll receive expert guidance, timely submissions, and complete legal compliance.
  • We tailor our VAT and tax services to your specific business structure and financial goals.
  • We are familiar with local regulations and provide personalized service in both English and Thai.

Contact Us

Let our experienced tax team take care of the complex paperwork, so you can focus on growing your business with peace of mind.
Contact SiamConsult for a complimentary initial consultation today.

Direct Links to Thailand government Authorities & Departments

BOI Services with SiamConsult | Thailand
B O I
SiamConsult - Department of Revenue
Revenue Dept.
SiamConsult- Social Security Department
Social Security
SiamConsult - Land Department
Land Department
SiamConsult - Ministry of Labour
Ministry of Labour
SiamConsult - Immigration Police
Immigration Police
SiamConsult - Food and Drug Administration
Food & Drug Adm.
Ministry of Commerce
Commerce
Department of Transport
Dept. of Transport
Thai Customs
Thailand Customs
Department of Business Development
D B D
Accounting Professional SiamConsult | Thailand
Member of the Professional Accounting Federation
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