Welcome to GSiA-Accounting Service Thailand

GSiA-Accounting Service Thailand

  GSiA is an independent and highly professional accounting firm, focusing on providing full services for audit, accounting, business consulting and tax examination services for businesses and non-profit organization throughout Thailand.

  We have been assisting our clients in doing business in Thailand international and local. Providing exceptional accounting services to clients, our firm is accredited by the Federation of Accounting Profession under the Royal Patronage of His Majesty the King and the Department of Business Development.

  With our 40 professionals and Management Team who are experienced, we believe that we deliever the highest quality to our clients as same as international firms.

Gsia-Accounting Serivces Testimonial


 "GSiA have performed beyond expectation, providing excellent accounting services and in a timely fashion. Their expert taxation advice on international exports has been key to our companies success and rapid growth. They are fully capable of providing all communications in English and Thai whilst retaining the very approachable and professional client focused culture"

Andrew Suett
Founder & CEO
Nature’s Ingredients Asia Co., Ltd.Thailand

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GSiA is a member firm of Allinial Global

  GSiA is a member of Allinial Global International, an association of legally independent accounting and consulting firms who share education, marketing resources, and technical knowledge in a wide range of industries. We’re independent accounting firms coming together to support the success of independent client companies.

  We’ll go wherever we need in the world to secure the highest quality solutions to our clients’ business needs. Allinial Global member firms have the flexibility to find not just a good solution to your business challenges, but the best solution for you – whether it’s locally or internationally.

  With the Transfer of Excellence, our ongoing technical and leadership education programs, you know that your business advisors will be knowledgeable, experienced and responsive. They’ll be proactive, not reactive. Allinial Global provides a broad array of resources and support that benefit both our member firms and their clients in eight key impact areas...

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