Trinity Watthana Public Company Limited, together with its subsidiaries, engages in the securities business in Thailand. The company operates through two segments, Securities and Derivatives Business; and Financial Advisory Business and Investment Banking. It is involved in the brokerage, trading, borrowing and lending, and underwriting of securities. The company also provides investment advisory, private fund asset management, investment banking, fixed income, and financial advisory services, as well as operates as a derivatives agent. In addition, it invests in listed and other companies. The company was incorporated in 2001 and is headquartered in Bangkok, Thailand.