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About GSiA

GSiA is an independent accounting firm with offices in Bangkok and Suvarnaphumi areas. Established since 2013, GSiA has been providing professional services relating Audit, Accounting, Tax, Payroll,and Business Consulting services to our clients throughout Thailand with our 50 professionals.

AWARDS & RECOGNITIONS

Over than 300 Trusted Customers

10

YEARS OF EXPERIENCE

50

PROFESSIONALS

300

CLIENTS

Sectors Served

Only business owners and their advisors can intimately understand the unique day-to-day operations and challenges of specific sectors or industries. GSiA possess that in-depth knowledge and experience in a multitude of industries, both domestic and global.

GSiA is not only accounting and tax professionals, but business consultants who understand both your business needs and your industry or trade. We focus on the business practices within your industry that can help you build a better company, and ultimately, a better future.

We provide specialized services to specific sectors or industries, serving clients by being knowledgeable in an industry or a sector. We understand more about your business so we can be not just your accountant, but your trusted advisor.

GSiA serves a broad array of industries/sectors, including:

  • Agribusiness
  • Construction
  • Dealerships
  • Dental Services
  • Family Business Consulting
  • Financial Institutions
  • Governmental/Public Sector
  • Healthcare
  • High Tech/Biotech
  • Hospitality
  • Insurance
  • International Business Development
  • Manufacturing & Distribution
  • Not-for-Profit
  • Oil & Gas / Natural Resources
  • Public Companies
  • Real Estate Development
  • Sports and Entertainment
  • Service
  • Trading
  • Wealth Management

Testimonials

 

  • Andrew Suett
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    Andrew Suett

    Founder & CEO
    ( Nature's Ingredients Asia Co., Ltd. Thailand )
    rating

    "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"

  • James Vessey

    James Vessey

    Managing Director
    ( Criterion Asia Recruitment (Thailand) Co., Ltd. )
    rating

    " GSiA came and helped our company when we were looking for an accounting firm which was willing and able to go above and beyond just preparing reports and paying bills. The team at GSiA has adopted a hands-on, consultative approach to working with us at Criterion, and has taken time to understand our business to act as a real business partner."

  • Björn Nylén
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    Björn Nylén

    Managing Director
    ( Maxxi Group of Companies )
    rating

    "Great in communication and they are interested and concerned to get things right. We feel trust and believe in them"

  • Hiral Shah

    Hiral Shah

    Finance Manager
    ( Metro Global Services Co., Ltd. (Thailand) )
    rating

    "Dear Gawinpob & GSiA Team, You and your entire team are very supportive with good co-ordination in work, especially foreign company for Audit and Taxation related work. I feel good to working with all of you and happy with your services, and hope that we will be working together in future also".

  • Eitaro Ogawa
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    Eitaro Ogawa

    Managing Director
    ( Siam Wire Netting Co., Ltd. )
    rating

    長い間GSiAとSiam Wire Nettingが良い関係を保っています。 CiAAはハイクラスと高い責任を提供しております。 我々はプロのパフォマンスによってお客さんから非常に信頼されています。 我々は良いビジネスパートナーを選ばれ続けます。

  • Andrew Suett

    Andrew Suett

    Founder & CEO
    ( Nature's Ingredients Asia Co., Ltd. Thailand )
    rating

    "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"

  • James Vessey
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    James Vessey

    Managing Director
    ( Criterion Asia Recruitment (Thailand) Co., Ltd. )
    rating

    " GSiA came and helped our company when we were looking for an accounting firm which was willing and able to go above and beyond just preparing reports and paying bills. The team at GSiA has adopted a hands-on, consultative approach to working with us at Criterion, and has taken time to understand our business to act as a real business partner."

  • Björn Nylén

    Björn Nylén

    Managing Director
    ( Maxxi Group of Companies )
    rating

    "Great in communication and they are interested and concerned to get things right. We feel trust and believe in them"

  • Hiral Shah
    WordPress Carousel Free Version

    Hiral Shah

    Finance Manager
    ( Metro Global Services Co., Ltd. (Thailand) )
    rating

    "Dear Gawinpob & GSiA Team, You and your entire team are very supportive with good co-ordination in work, especially foreign company for Audit and Taxation related work. I feel good to working with all of you and happy with your services, and hope that we will be working together in future also".

  • Eitaro Ogawa

    Eitaro Ogawa

    Managing Director
    ( Siam Wire Netting Co., Ltd. )
    rating

    長い間GSiAとSiam Wire Nettingが良い関係を保っています。 CiAAはハイクラスと高い責任を提供しております。 我々はプロのパフォマンスによってお客さんから非常に信頼されています。 我々は良いビジネスパートナーを選ばれ続けます。