We bring you the best possible solutions for your company.

Industries

We obtain working experiences in wide variety of businesses.

Our expertise extends across numerous sectors:

  • Manufacturing (13%)

  • Media & Advertising (13%)

  • General Services (17%)

  • Property Management (15%)

  • Engineering (6%)

  • Retail (9%)

  • Technology (23%)

  • Others (4%)

Years of experience

15+

Payroll Service

25+

Accounting & Reporting

165+

Administrative Service

17+

Tax Advisory Service

135+

Consulting Service

15+

Trusted by the world’s fastest growing companies:

Great benefits from Optimum.

Our taxation services include:

  • Corporate Monthly Tax Filing

  • Corporate Annual Tax Filing

  • Personal Income Tax filing

  • Tax planning

  • Tax refund service

  • Value Added Tax

  • Withholding tax for employee

Need a personalized solution?

Thai tax and accounting laws can sometimes be difficult to understand, particularly if you are not familiar with Thai language. At Optimum, we provide clear and transparent services for all your tax and accounting needs.