About the SEC Established on 16 May 1992, the Office of the Securities and Exchange Commission is an independent public agency under the Securities and Exchange Act B.E. 2535 (1992) with the duty to supervise and develop the Thai capital market to ensure efficiency, fairness, transparency and integrity. SEC Vision "The SEC strives to enhance the benefit and wellbeing of people through being a trustworthy and proactive organization, collaborating with all stakeholders to build a sustainable capital market"