Our focus is on bringing unparalleled solutions to your business.

Billing Management: Invoices and Tax Invoices

Handling the creation and issuance of invoices and tax invoices efficiently.

Collection Process: Receipts and Tax Invoices

Managing collections, including the issuance of receipts and tax invoices.

Payment Coordination: Internet Banking and Tax Certificates

Overseeing internet banking processes, issuing withholding tax certificates, and coordinating payment communications.

Bank Balance Statement Updates

Regularly updating and maintaining bank balance statements for financial accuracy.

Outstanding Invoice Monitoring

Vigilantly tracking and managing unpaid invoices for financial oversight.

Collection Report Monitoring and Follow-Up

Diligently overseeing collection reports and conducting follow-up for collections.

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 administrative services include:

  • Invoice and Tax Billing Operations

  • Receipts and Tax Collection Management
  • Streamlined Payment Processes and Documentation

  • Updating Bank Statement Records

  • Tracking Unpaid Invoices

  • Collection Reporting and Persistence

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.

Get a personal consultation.

Office

Optimum Accounting Services Co., Ltd.
990 Abdulrahim Place, 22nd Floor, Suite 2210A, Rama IV Road, Silom, Bangrak, Bangkok 10500 Thailand

Contact

info@optimumacc.com

Open Hours

Monday – Friday: 8am — 6pm