TSIC Activity
Accounting, bookkeeping and auditing activities; tax consultancy
ประกอบกิจการให้บริการจัดเตรียมเอกสารเพื่อดำเนินการจดทะเบียนจัดตั้งนิติบุคคล บริการด้านการทำบัญชี ให้คำปรึกษาและบริการ ความรู้ทางด้านบัญชีและภาษีอากร
What this activity covers
Companies in this sector provide accounting, auditing, and tax consultancy services.
- Accounting services — Recording commercial transactions and preparing financial accounts
- Auditing services — Auditing and certifying the accuracy of financial accounts
- Tax consultancy — Preparing personal and corporate income tax returns
- Advisory services — Providing advisory and representation activities to clients
- Bookkeeping services — Maintaining financial records and transactions
What companies here also do
Seen in real company registrations under this code — beyond the official definition, so licensing may differ.
- Legal consulting — Providing legal advice alongside accounting services
- Visa application services — Assisting clients with visa applications
Not included here
Foreign ownership
Accounting service business
The profession is additionally regulated by the Accounting Professions Act, which imposes its own nationality rules on licensed practice.
Auto-mapped, verify against the Act. These TSIC mappings are indicative, not legal advice; the schedules of the Foreign Business Act B.E. 2542 are the authority. See the full foreign ownership reference.
Industry at a glance
as of 23 ก.ค. 69The whole registered industry under this activity, every registration year, from the DBD DataWarehouse.
net profitrevenue
Foreign investment
new registrations · 2026 YTDLargely domestic, with some foreign investment.
New in 2026
registrations, YTD
Registered capital
since year-end
Largest by revenue
Latest filed-year revenue, not a multi-year total
Largest by registered capital
- 1G.L. Management Co., Ltd.Bangkok฿498.0M
- 2VDP HOLDING 2 CO., LTD.Bangkok฿321.5M
- 3Lock-Thai Co., Ltd.Bangkok฿300.0M
Source: Department of Business Development DataWarehouse. Financial figures are combined totals of companies that filed statements; revenue and profit shown for the latest three reporting years.
Companies registered since 2022
Browse allNew DBD registrations under this activity since 2022, the period the registry snapshot covers, not the full historical register.
New registrations per year
Largest active companies by registered capital
- THAI BEV ACCOUNTING AND BUSINESS SERVICES CO., LTD.Private limited company · กรุงเทพมหานคร฿10.0M
- ALVAREZ & MARSAL (THAILAND) CO., LTD.Private limited company · กรุงเทพมหานคร฿7.0M
- KEY CAPITAL CO., LTD.Private limited company · กรุงเทพมหานคร฿6.0M
- BJC ONE AUDIT AND LAWYER CO., LTD.Limited partnership · อำนาจเจริญ฿5.0M
- GL ACCOUNTING CO., LTD.Private limited company · ปทุมธานี฿5.0M
- NORTHBOUND GROUP CO., LTD.Registered ordinary partnership · ชลบุรี฿5.0M
- PNS ACCOUNTING AND MANAGEMENT CO., LTD.Private limited company · ภูเก็ต฿5.0M
- ACS LAW AND ACCOUNTING CO., LTD.Private limited company · ปทุมธานี฿5.0M
- 31 MEENA PERFECTING CO., LTD.Limited partnership · สุรินทร์฿5.0M
- CLYDE INTERNATIONAL ACCOUNTING FIRM (CHIANG MAI) LIMITEDForeign branch · เชียงใหม่฿5.0M
- LANNA ACCOUNTING AND LAW LIMITEDForeign branch · เชียงใหม่฿5.0M
- CLYDE INTERNATIONAL ACCOUNTING (THAILAND) CO., LTD.Private limited company · กรุงเทพมหานคร฿5.0M
Source: Department of Business Development (DBD) new-registration records, 2022 to present. Counts cover companies first registered in that window, reflect the latest snapshot load, and may lag the live register.
Emerhub
Restricted activity? There is usually a route.
Emerhub structures foreign-owned companies around FBA restrictions: Foreign Business Licence applications, BOI promotion, and compliant shareholding structures. Talk through your case before you commit to one.
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