Ideally work in progress with great communication–friendly, simplified, and very descriptive


"GSiA and Siam Wire Netting have very good relationship for long time. 
GSiA provides high class accounting services with high responsibility.
We were enormously impressed by their professional performance"

Eitaro Ogawa
Managing Director
Siam Wire Netting Co.,Ltd.

“Ideally work in progress with great communication–friendly, simplified,
and very descriptive. GSiA takes time guiding us simple rules like no other
would, helping us to achieve our business goal.
"We chose the right accounting firm”

Pantipa Kunatarakul
TADAH Collaboration Co., Ltd.

“GSiA provides first class accounting services 
with the highest integrity. Their staff are very
professional and they handle all my business needs very well. 
GSiA would be a valuable asset for any sizes of business”

Thanunpatch Paiboonthanapark
Managing Director
PASO International Co., Ltd.

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

Björn Nylén
Managing Director
Maxxi Group of Companies

"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"

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

"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

“Mr. Gawinpob and his team at 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."

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