Bangkok Accounting & Tax Firm for Foreign Businesses
Simplifying accounting, tax, and company setup in Thailand for expats, foreign entrepreneurs, and international companies.
We handle everything you need to operate legally and confidently in Thailand — including company registration, expat tax filing, Thai taxation, BOI support, bookkeeping, payroll, virtual office, and corporate compliance services.
Stop worrying about Thai regulations and paperwork. Focus on growing your business — we handle the rest.
Our Services
At Ransun Accounting, we provide a complete range of accounting, tax, and corporate services in Bangkok designed specifically for foreign businesses, expats, and international entrepreneurs in Thailand. From company setup to ongoing compliance, our experts ensure your business stays fully compliant, financially organized, and stress-free.
Expat Tax Filing
Get expert assistance with expat tax filing in Bangkok, including Thailand personal income tax returns, foreign income tax reporting, tax compliance, and full tax support for foreigners living and working in Thailand. We ensure accurate filing, full compliance with Thai tax laws, and stress-free financial management for expats.
Taxation & Bookkeeping
Get expert bookkeeping and accounting services in Bangkok, including monthly bookkeeping, financial reporting, tax filing, VAT filing, payroll services, and full tax compliance support. We provide reliable Thai accounting solutions for foreign businesses, expats, and companies operating in Thailand, ensuring accuracy, transparency, and complete regulatory compliance.
BOI Support
Get expert BOI services in Bangkok, including BOI application support, BOI company registration, investment promotion, foreign business setup, BOI visa and work permit assistance, tax incentives guidance, and full BOI compliance support for foreign investors in Thailand. We help you structure and manage your BOI-approved business efficiently while maximizing available benefits and ensuring full regulatory compliance.
Virtual Offices
Get professional virtual office and registered office services in Bangkok, including company registration address, official business address, mail handling, and office support services for Thai and foreign businesses. Our solutions help you establish a credible business presence in Thailand while ensuring full compliance with registration requirements.
Corporate Services
Comprehensive corporate services designed to support your business operations in Thailand, including regulatory compliance, corporate administration, company amendments, visa and work permit assistance, and ongoing statutory requirements. We help ensure your business remains fully compliant and efficiently managed under Thai regulations.
Ready to enhance your Accounting & Thai Taxation success?
Contact Ransun Accounting today to get expert support for your business in Thailand. Whether you need help with accounting, tax compliance, company registration, or corporate services, our team is ready to guide you with clear, reliable, and professional advice.