Corporate Tax Filing Services for Thai Companies

Confident Compliance for Expat-Managed Businesses

Managing company taxes in Thailand can be complex—especially for expat-managed businesses. Our team offers full-service support for monthly and annual corporate tax filings, helping you stay compliant while identifying legitimate ways to reduce liabilities.

Whether you’re setting up a new entity or outsourcing year-end filings and bookkeeping, we provide clear guidance, proactive advice and dependable service.

What’s Included

Full Tax Filing & Reporting

Preparation and submission of all required tax documents, including monthly VAT, withholding tax, and annual audited accounts.

Bookkeeping &
Year-End Support

Assistance with monthly financial statements and coordination with licensed auditors as needed.

Regulatory Compliance

We ensure all submissions meet Thai Revenue Department regulations and deadlines.

Payroll
Services

Support with monthly salary filings, Social Security Office contributions, and payroll reporting.

Strategic
Tax Planning

Guidance on deductible expenses and allowances to legally minimise tax owed.

English-Speaking Service

All our team communicate clearly in plain English.

Who This Service is For

  • Expat entrepreneurs running Thai-registered companies
  • SME owners seeking outsourced tax and accounting
  • BOI-promoted or majority foreign-owned companies
  • Business owners needing help with tax optimisation and deadlines

Why Choose Expat Tax Thailand

We specialise in helping expats navigate the complexities of Thai corporate law with confidence and clarity.

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Over 600 Verified
5-Star Reviews

Consistently trusted by expat business owners across Thailand.

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Corporate Tax
Compliance Experts

We understand Thai tax rules and how they apply to foreign-owned and SME businesses.

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All-Inclusive
Quotes

Upfront pricing without hidden fees or unexpected extras.

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Local and International
Tax Perspective

Expertise in both Thai tax law and international business finance.

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Trusted by
Professionals

We support lawyers, auditors and consultants across Thailand with reliable, accurate filings.

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Fully Online,
Deadline-Ready Service

We handle your filings efficiently, on time, and with minimal disruption to your operations.

What Our Clients Say

Frequently Asked Questions About Corporate Tax Filing

Corporate

You will need the company’s financial statements, tax invoices, receipts, withholding tax certificates, and other relevant financial documents to file corporate taxes in Thailand. Our team will guide you through the complete list specific to your business.

Category: Corporate

Corporate taxes in Thailand need to be filed monthly for VAT and withholding taxes and annually for corporate income tax. We help ensure you meet all deadlines and filing requirements.

Category: Corporate

Yes, our team specialises in identifying tax-saving opportunities and implementing strategies to optimise tax efficiency, which can help reduce your company’s overall tax liability.

Category: Corporate

Late filing can result in significant fines and interest charges. We ensure the timely submission of all required documents to avoid these penalties.

Category: Corporate

Our team stays updated with the latest Thai tax regulations and uses this knowledge to ensure all your filings comply with the current laws. We review your financial records thoroughly to avoid any compliance issues.

Category: Corporate

The initial consultation is to meet you, and for you to meet us. We’ll introduce ourselves, answer any questions you have and discuss how we might be able to help.

Category: Corporate

We provide ongoing support and guidance for all your tax-related needs, including preparing for future filings, answering tax questions, and ensuring continuous compliance with Thai corporate tax laws.

Category: Corporate

You can book a free initial consultation through our website or directly via this link: Book a Free Initial Consultation. We’ll start with an initial discussion of your needs and develop a plan tailored to your business.

Category: Corporate

Yes, we can still assist you if you’ve missed the deadline. We will file your late return and help you understand any penalties or fines that may apply. Our team will guide you through the best steps to resolve the issue swiftly.

Book Your Free Consultation

Speak with a business tax specialist to review your company’s needs and get a customised quote for monthly and annual filing support.