ACCOUNTINFIRM delivers strategic accounting, tax, and BOI advisory services tailored to international businesses entering or operating in Thailand. We simplify regulatory complexity, ensure compliance, and provide actionable insights to help your company operate with confidence, clarity, and long-term success.
As leading accounting and tax experts in Thailand, we go beyond basic compliance. We deliver structured solutions, strategic insights, and enduring partnerships that empower businesses to operate with confidence and scale with clarity.
We provide comprehensive services across your entire business lifecycle — from company formation and BOI applications to monthly compliance, financial reporting, and corporate restructuring.
You receive timely, accurate updates from a dedicated team. We communicate clearly, consistently, and in a language that business owners and executives understand — no follow-up chasing required.
Beyond routine filings, we offer advisory-level insight to help you optimize tax positions, manage risk, and align your financial structure with long-term growth plans.
Our pricing model is clear, structured, and fully disclosed upfront — with no hidden charges or unexpected add-ons. You’ll always know what you’re paying for and why it matters.
ACCOUNTINFIRM, we deliver expert support for international and Thai businesses looking to grow with confidence. Our end-to-end services are structured into four key areas:
Launch
From setting up a Thai limited company to registering a BOI-promoted or foreign-owned business, we handle every step with precision. Our team assists with VAT and SSO registrations, shareholder structures, and all legal filings required to start and operate your business smoothly. We also provide support for registering branch offices, representative offices, and making post-registration changes like director updates or business objective revisions.
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Clarity
We provide full-scope accounting support tailored for both local and international businesses in Thailand. Our services cover monthly bookkeeping, tax filing, and preparation of quarterly and annual financial statements. With our Virtual CFO packages, clients also gain financial clarity, budgeting insights, and strategic advisory. From payroll processing to compliance reporting and performance reviews, we ensure your business stays audit-ready and financially sound.
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Protect
We help clients navigate complex regulatory requirements with confidence. Our legal services include Foreign Business License (FBL) applications, lease agreement drafting, and contract support. We also prepare essential compliance documents, shareholder resolutions, and company secretarial paperwork. Whether it’s dealing with penalties or ensuring up-to-date legislative compliance, we keep your business protected.
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Entry
Navigating Thailand’s immigration system can be complicated — we make it easy. We assist with Non-B visa applications, work permits, BOI visa processing, and 90-day reporting. Our team ensures all documentation is complete and accurate, helping both foreign executives and staff remain compliant with local regulations. We offer end-to-end support from application to renewal.
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We use reliable, industry-standard software to streamline your accounting and bookkeeping processes — ensuring accuracy, consistency, and peace of mind.
We believe in building strong foundations from the start. At ACCOUNTINFIRM CO., LTD., our onboarding process is designed to ensure a smooth transition, full compliance, and total clarity — whether you’re setting up in Thailand for the first time or switching from another provider.
We begin with a one-on-one meeting to understand your business structure, expansion plans, and compliance obligations — including BOI status, tax filings, and accounting needs.
Based on your goals, we prepare a clear and transparent proposal outlining services, timelines, pricing, and required deliverables — no hidden fees.
Once confirmed, we onboard your company by collecting the necessary documents (e.g., affidavits, previous financials, BOI certificate if applicable) and assigning your dedicated accountant.
We configure accounting tools, workflows, and shared folders. We also create a compliance calendar to track monthly tax filing, BOI reporting, payroll, and year-end audits.
We provide regular progress updates and proactive communication. You’ll always know what’s been filed, what’s pending, and what’s coming next — with no need to chase.
From day-to-day bookkeeping to BOI reporting, payroll, and strategic tax advice — we stay by your side, helping you stay compliant and make informed business decisions in Thailand.
Our deep understanding of sector-specific regulations, reporting obligations, and operational models enables us to deliver precise, proactive support.
Manufacturing & Industrial – High-volume operations, BOI incentives, and compliance with international supply chain standards.
Professional Services – Fee-based service firms, legal and consulting professionals, and IP-heavy businesses.
Telecommunications & Media – Licensing structures, revenue recognition compliance, and regional expansion support.
Trading – Domestic and international trading operations, inventory management, and commercial invoicing compliance.
Technology & Startups – Fast-growth structures, R&D incentives, and equity financing advisory.
Food & Beverage – POS integration, cost control systems, and franchising models.
Logistics & Supply Chain – Import/export documentation, customs procedures, and end-to-end VAT optimization.
Healthcare & Biotech – Regulatory compliance, grant management, and multi-entity financial controls.
Travel, Hospitality & Entertainment – VAT planning, cross-border workforce compliance, and multi-location accounting.
E-commerce & Retail – Cross-border sales tax issues, platform reconciliation, and digital payment reporting.
Real Estate & Development – Project-based accounting, long-term contract tax planning, and asset management.
Construction – Project budgeting, oversight, and tax compliance for multi-phase development and infrastructure projects.
At ACCOUNTINFIRM, we combine local expertise with international standards to help your business thrive in Thailand. From company setup to full compliance and ongoing advisory, we’re not just your accountant — we’re your strategic partner on the ground, ensuring clarity, speed, and confidence every step of the way.
We aim to make accounting, tax, and compliance straightforward for businesses in Thailand. Here are some of the most common questions we receive about our services, along with clear and simple answers.
Yes, we can! Our company registration services include:
Yes, we handle the entire VAT process, including:
Yes, we assist dormant companies by:
Yes. We specialize in BOI company registration and ongoing compliance, including reporting requirements, visa/work permit support, and maximizing your tax privileges.
Absolutely. Our clients are primarily international companies expanding into Thailand. We provide bilingual communication and align reporting with HQ standards.
We stay updated with the latest Revenue Department, DBD, and BOI regulations to ensure your filings, payroll, and reporting are always accurate and submitted on time.
Yes. We provide clearly itemized proposals with no hidden fees, allowing clients to understand exactly what they’re paying for.
Yes. We tailor our services to fit the needs of each industry, including manufacturing, logistics, trading, e-commerce, and tech.
Whether you’re a startup or an established company, our experienced team is ready to assist you in managing your finances efficiently.
If you’re bringing goods into Thailand, you’ll encounter two main taxes at the border: import duty and Value Added Tax (VAT). Understanding these—plus how to plan for Free Trade Agreement (FTA) benefits—will help you price correctly, stay compliant, and keep your cash flow healthy.
Changing your accounting firm doesn’t have to risk compliance or disrupt your operations. The key is a clean, documented handover of all records, access rights, and filings.
“Can I pay myself a salary?” The short answer is yes — but there are important legal, tax, and compliance issues you need to understand before you transfer money from your company’s bank account into your own.
The financial statement duration in Thailand is usually 1 January – 31 December, but companies can choose a different period if it better suits their operations.
We provide expert support to complex business journey, offering solutions across a wide range of needs.
Let’s set up and kick things off!
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