About Us

About us

EY exists to build a better working world, helping to create long-term value for clients, people and society and build trust in the capital markets. Enabled by data and technology, diverse EY teams in over 150 countries provide trust through assurance and help clients grow, transform and operate. Working across assurance, consulting, law, strategy, tax and transactions, EY teams ask better questions to find new answers for the complex issues facing our world today.
EY Thailand, a member firm of EY Global, was established in 1959 under the name Turquand Youngs & Co. – the first international accounting firm in the country. Today we have grown into a practice with 2,200 graduate-level staff. We audit over 3,800 companies in Thailand of which approximately 270 are listed companies on the Stock Exchange of Thailand (SET) or 31% of all listed companies. We also provide professional services to many of the largest local and international companies.

Our services
External Audit
Financial Accounting Advisory
Forensic & Integrity
Climate Change and Sustainability
Business Consulting
Technology Consulting
Enterprise Risk Management and Internal Audit
M&A, Due Diligence and Restructuring
Valuation and Business Modelling
Corporate Finance Strategy
Business Tax Advisory
Global Compliance and Reporting
Tax efficiency and planning
Transfer Pricing
Customs and Global Trade
People Advisory and Mobility
International Tax and Transaction Services