The SET group consists of The Stock Exchange of Thailand (SET) including subsidiaries and affiliates
which can be divided into two main business groups according to the business structure of the SET group as follows:
Note: SET owns shareholding stake in TTF Corporation Limited, formerly Thai Trust Fund Management Co., Ltd., which was granted a permission to cease its securities business operation and already surrendered its license for such business.
Core Exchange Function
Businesses in the Core Exchange Function are directly associated with the SET operations as stipulated in the Securities and Exchange Act B.E. 2535 (1992). This business function comprises SET and subsidiaries as follows:
SET serves as the center for trading of listed securities and provides related services, operating on a non-profit sharing basis, with a role in promoting savings and long-term capital fundraising for the country’s economic development.
Currently, SET operates under the legal framework of the Securities and Exchange Act B.E. 2535 (1992). Its core operations include securities listing, supervision of listed companies' information disclosures, securities trading and market surveillance, monitoring of trading activities by member companies, and dissemination of information and investor education.
TFEX operates as a derivatives exchange under the Derivatives Act B.E. 2546 (2003) and the supervision of the Securities and Exchange Commission (SEC). TFEX is permitted to provide derivatives trading services for futures and options with various underlying assets, consisting of equities, debt instruments, exchange rates, commodities and agricultural products.
TSD operates as a comprehensive post-trade service center, providing two main services: 1) Securities Depository Center which functions as a central securities depository, using a secure and efficient scripless system to provide depository services for securities and debt instruments, and 2) Securities Registrar which is responsible for safeguarding securities information and maintaining an accurate, complete and up-to-date register of securities holders using an advanced and efficient computer system integrated with the securities depository system.
TCH serves as a clearing, settlement and delivery center for financial instruments in the Thai capital market. As a Central Counterparty (CCP), TCH guarantees payment and delivery for all trading transactions on SET, Market for Alternative Investment (mai), and TFEX, thus reducing overall market risks and strengthening trading confidence among market participants, while supporting the Thai capital market's long-term development.
TNVDR’s function is to automatically issue NVDR instruments, which are securities listed on the stock market. The NVDR sale proceeds are invested in their underlying Thai listed securities. NVDR holders receive the same financial benefits as direct securities investors, including dividends and subscription rights for right offerings and warrants, but are not entitled to voting rights at shareholders' meetings.
New Business & Infrastructure Development Function
This function focuses on new businesses and other supporting businesses critical to infrastructure development that supports SET’s operations and builds a solid foundation for the capital market’s infrastructure that serves market participants. Beyond enhancing service quality through industry-wide process optimization, this function also reduces operational costs across the sector. The SET subsidiaries in the New Business & Infrastructure Development Function are:
SET Venture Holding Co., Ltd. (SVH)
SVH is a holding company that invests in all subsidiaries in the New Business & Infrastructure Development Function.
Settrade provides online trading platforms for securities, derivatives and mutual funds, along with derivatives back-office system and investment technology. This infrastructure supports market participants’ businesses and offer convenient investment channels to investors through the Streaming and Streaming Fund+ applications.
Associated Companies and Other Companies of which SET is a Shareholder
TSFC Securities PCL (TSFC)
TSFC is the only Securities Finance Corporation (SFC) of Thailand with a mission to be the main source of securities funding for both securities companies and investors. TSFC was established to complete credit services for the securities financing in accordance with the needs of securities business and support the government policies to help and develop Thailand’s securities business and capital market.
TRIS Co., Ltd. (TRIS)
TRIS is a credit rating institution that assesses the creditworthiness of debt instruments and organizations and provide credit analysis and rating services.
National Digital ID Co., Ltd. (NDID)
NDID operates a platform that connects databases for digital identity authentication and verification services across government agencies, such as the Department of Provincial Administration (DOPA) and the Department of Business Development (DBD), and private organizations, enabling secure and reliable online transactions.
INNOSPACE (THAILAND) Co., Ltd. (InnoSpace)
InnoSpace was established through public-private collaboration to develop and support Thailand’s start-up ecosystem.
Note: *Including shareholding in LiVE Fin Corp Co., Ltd. (a SET subsidiary) in InnoSpace at 2.395 percent.














