P.S. Accounting Co. Ltd.

P.S. Accounting Co. Ltd.


10-11 Lookluang Road

General enquiries

+66 2282 7908

Local time

P.S. Accounting Co. focuses on providing auditing, accounting, tax consulting and legal services. We have over 400 clients, both domestically and overseas, and consistently strive to provide them with the highest levels of satisfaction.

Our history

We were established in 1982, adopting the brand name P.S. Accounting Co. after Mr. Prateep Sangthammarat became a Certified Public Auditor. We were built on the experience of Mr. Prateep Sangthammarat, and his father Mr. Sang Sangthammarat, founding 'Sangthammarat Accounting Partnership' together in 1976.

What makes us different?

Our high quality of service has earned us recognition in the form of the 'Quality Accounting Practice' mark from the Department of Business Development, under the Ministry of Commerce Thailand (based on ISO9001 : 2008 standard). We seek to move forward with this assurance of quality at our heart.

Services provided


  • Audit quality monitoring
  • Business risk
  • IFRS
  • Internal audit
  • Sustainability

Tax services

  • Corporate and business tax
  • Customs duty
  • Direct international tax
  • Employment tax
  • Global mobility
  • Indirect international tax
  • Private client/ personal tax
  • Property tax
  • R&D Tax Credits
  • Tax planning and compliance
  • Tax policy
  • Transfer pricing
  • VAT

Corporate finance

  • Due diligence
  • Mergers and acquisitions


  • Corporate law
  • Employment law
  • Litigation
  • Tax litigation

Accounting services

  • Book-keeping
  • Outsourced accountancy
  • Payroll (accounting)
  • Preparation of statements

Company formation/ administration

  • Company secretary services
  • Corporate recovery/ insolvency
  • HR
  • Outsourcing

Industry specialisms

  • Agriculture / Forestry and Fishing

  • Arts / Entertainment and Media

  • Aviation / Travel

  • Charities and Not for Profit

  • E-commerce

  • Education

  • Energy / Mining and Natural Resources / Carbon Based and Green Energy

  • Food and Drink

  • Healthcare

  • Hotels / Hospitality / Leisure and Tourism

  • Insurance

  • Manufacturing / Textiles / Automotive / Appliances

  • NGOs

  • Private Clients and Family Offices

  • Professional Services

  • Public Sector and Government

  • Retail

  • Shipping

  • Sports

  • Technology / Software Development / Gaming

  • Transport and Logistics

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