SET App
Settrade App
HoldShareholding Structure
The SET group’s business structure comprises SET and subsidiaries which can be divided into two main functions as follows:
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:
The Stock Exchange of Thailand (SET) 
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.
Thailand Futures Exchange PCL (TFEX)
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.
Thailand Securities Depository Co., Ltd. (TSD)
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.
Thailand Clearing House Co., Ltd. (TCH)
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.
Thai NVDR Co., Ltd. (TNVDR)
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 essential to infrastructure development that underpins SET’s operations and strengthens the capital market’s infrastructure capabilities in effectively serving 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 function are as follows:
SET Venture Holding Co., Ltd. (SVH)
SVH is a holding company that invests in all subsidiaries in the New Business & Infrastructure Development Function.
Finnet Innovation Network Co., Ltd. (FinNet)
FinNet provides clearing and settlement infrastructure services for the capital market, serving as an intermediary for payment transactions with commercial banks.
Settrade.com Co., Ltd. (Settrade)
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.
Digital Access Platform Co., Ltd. (DAP)
DAP is a provider of electronic networks, supporting systems, and other services for electronic and digital transactions.
Thai Digital Assets Exchange Co., Ltd. (TDX)
TDX operates as a digital asset exchange or a provider of a center or network for trading or exchanging digital assets.
Associated Companies and Other Companies of which SET is a Shareholder
TSFC Securities PCL (TSFC)
TSFC is the principal provider of funding and securities financing for securities companies and investors, with a commitment to developing comprehensive securities financing services aligned with market needs supportive government policies to strengthen Thailand’s securities industry and advance the sustainable development of the capital market.
TRIS Co., Ltd. (TRIS)
TRIS assesses and analyzes the creditworthiness of organizations, providing confidence in the bond market, and supports the advancement of Thailand’s capital market and economy.
National Digital ID Co., Ltd. (NDID)
NDID operates a centralized digital identity authentication and verification infrastructure, building a trusted ecosystem through secure data interoperability across government agencies and private entities, including the Department of Provincial Administration (DOPA), the Department of Business Development (DBD) and financial institutions. This infrastructure enables secure and reliable online transactions ranging from account opening to credit applications.
INNOSPACE (THAILAND) Co., Ltd. (InnoSpace)
InnoSpace develops and supports Thailand’s start-up ecosystem, empowering Thai startups as new engines of economic growth in alignment with the Thailand 4.0 policy. Operating through public-private partnership, InnoSpace Functions as.
Note: *Including shareholding in LiVE Fin Corp Co., Ltd. (a SET subsidiary) in InnoSpace at 2.395 percent.