Thailand’s Stock Exchange plans to introduce a dual-class share structure by 2027, aiming to attract more companies to the country’s struggling IPO market while allowing founders to retain greater control over their businesses.
The proposed reform would amend Thailand’s public company law to permit listed companies to issue multiple classes of shares with different voting rights. This would enable founders and controlling shareholders to sell a larger portion of their equity to public investors without surrendering voting control.
The Stock Exchange of Thailand (SET) is working with the Finance Ministry, Securities and Exchange Commission and other government agencies on the changes. SET Chairman Kitipong Urapeepatanapong said the amendment is expected to receive parliamentary approval this year.
The initiative comes as Thailand’s IPO market experiences a severe slowdown. Companies have raised only about 700 million baht ($21.6 million) through initial public offerings so far in 2026, down 95% from 2025. At the current pace, 2026 would be Thailand’s weakest IPO year since the SET began collecting the data in 2003.
Urapeepatanapong said many family-owned businesses avoid stock market listings or offer only limited stakes because of concerns about losing control or becoming takeover targets. Dual-class shares could help these companies access public capital while preserving founder influence.
Family-owned businesses represented 705 of the 843 companies listed on the Thai exchange as of July. Together, they had a market capitalization of 10.93 trillion baht, accounting for approximately 54% of Thailand’s total listed market value.
The SET also expects the reform to address limited free float, a longstanding concern among international investors. Some major Thai companies have relatively few shares available for public trading, restricting liquidity and investment opportunities.
By allowing controlling shareholders to maintain stronger voting rights while selling more equity, Thailand hopes to increase IPO activity, expand public share ownership and improve stock market liquidity. The framework would also align Thailand more closely with Hong Kong, Singapore and Indonesia, where dual-class share structures are already permitted.


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