Thailand Securities and Exchange Commission (SEC)

Overview

Thailand's primary regulatory authority for securities markets, capital markets, and digital assets.

The Securities and Exchange Commission (SEC) of Thailand is an independent public agency established under the Securities and Exchange Act, beginning operations on 16 May 1992. The SEC is responsible for supervising and developing the Thai capital market to ensure efficiency, fairness, transparency, and integrity. The organization operates under a three-tier structure: the SEC Board (policy formulation), the Capital Market Supervisory Board (rules and regulations), and the SEC Office (operational execution and enforcement).

The SEC's mandate extends across traditional securities regulation, digital asset oversight, investor protection, market surveillance, and international regulatory coordination. As of 2026, the SEC operates under the strategic plan "Building Trust, Powering Growth" (2026-2028), with emphasis on developing digital capital markets, strengthening supervision and enforcement, and preventing financial crimes.

Current Secretary-General: Pornanong Budsaratragoon (assumed office 19 September 2023)

• Education: DBA in Finance (Chulalongkorn University), MBA (University of Dallas), BBA (Chulalongkorn University)

• Role: Appointed by Cabinet upon recommendation by the Minister of Finance; serves four-year terms (maximum two consecutive)

Basic Identity

Classification

Inclusion Justification

What This Entity Oversees

Market Supervision

The SEC oversees Thailand's securities markets through direct regulation of:

• Securities Issuers: IPO approval, continuous disclosure obligations, material transaction reporting, corporate governance requirements

• Market Participants: Stock brokers, dealers, investment advisors, mutual fund managers, underwriters

• Market Infrastructure: The Stock Exchange of Thailand (SET), derivative exchanges, clearing houses, settlement systems

• Securities Transactions: Trading conduct rules, price manipulation prevention, insider trading enforcement

Key Regulatory Areas

Disclosure Requirements

• Material information disclosure (substance-over-form assessment)

• Connected transaction rules (announced February 2026)

• Financial statement audit requirements

• Related party transaction transparency

Investor Protection

• Minority shareholder protection mechanisms (veto rights on specified transactions)

• Securities safekeeping and client asset segregation requirements

• Suitability and know-your-customer (KYC) standards

• Anti-fraud measures and market abuse detection

Corporate Governance

• Board independence requirements

• Audit committee mandates

• Risk management framework obligations

• Executive compensation disclosure

Digital Asset Regulation

Regulatory Framework

The SEC licenses and supervises six categories of digital asset service providers:

1. Digital Asset Exchanges - platforms facilitating trading between buyers and sellers

2. Digital Asset Brokers - entities matching buyers and sellers for fee

3. Digital Asset Dealers - operators buying/selling digital assets for proprietary accounts

4. Digital Asset Fund Managers - entities managing investment portfolios containing digital assets

5. Digital Asset Advisors - providers of investment advisory services for digital assets

6. Digital Asset Custodial Wallet Providers - operators holding and managing customer digital asset custody

Licensing Requirements

Digital asset business operators must satisfy:

• Capital Adequacy: Minimum capitalization proportional to business scope

• Cybersecurity: Robust security infrastructure and incident response procedures

• AML/CFT Compliance: Anti-money laundering and counter-terrorism financing protocols

• Operational Systems: Management systems, business continuity plans, dispute resolution procedures

• Fit and Proper Test: Management qualifications, competence assessments

Regulatory Scope

2018-2025: Domestic territorial application to licensed operators within Thailand

2025-Present: Extended extraterritorial scope - SEC rules apply to offshore operators providing services to Thai users (effective 12 April 2025)

Digital Asset Product Restrictions

• Earn Products: Requires verification from official sources New SEC rules restrict digital asset operators from offering yield-generating or interest-bearing products

• Payment Use: SEC rules regulate use of digital assets as means of payment within defined parameters

• Securities Classification: Instruments meeting securities definitions fall under SEA jurisdiction rather than Digital Asset Decree

Institutional Mechanisms

Investor Protections under Securities Law:

• Mandatory Disclosure: Issuers required to disclose material information; substance-over-form assessment by SEC

• Suitability Standards: Investment advisors and brokers must assess client sophistication and investment objectives

• Asset Segregation: Client securities must be segregated from operator assets

• Custody Requirements: Qualified custodians maintain client securities in segregated accounts

Minority Shareholder Protection:

• Enhanced shareholder veto rights on material and connected transactions

• Improved appraisal rights for dissenting shareholders

• Remedies for oppressive conduct

• Director and officer liability for breaches of duty

Market Integrity Protections

• Price Discovery: Rules preventing manipulation and artificial price movements

• Insider Trading Prevention: Restrictions on trading by persons with material nonpublic information

• Market Abuse Detection: Surveillance systems identifying suspicious trading patterns

• Front-Running Prevention: Rules prohibiting advisors from trading ahead of clients

Complaint and Dispute Resolution

Requires verification from official sources SEC operates investor complaint mechanisms and coordinates with dispute resolution bodies for securities-related complaints

Regulatory Powers

Investigative Authority

The SEC possesses comprehensive investigative powers:

• Document Requests: Authority to compel production of records, accounts, and evidence

• Witness Summons: Power to summon individuals for questioning

• Inspections and Dawn Raids: Authority to conduct unannounced inspections and seize evidence

• Forensic Analysis: Capacity to conduct forensic investigations into complex schemes

Enforcement Actions

Administrative Enforcement:

• License suspension or revocation

• Operational restrictions and remedial orders

• Fines and penalty assessments

• Disgorgement of illegal gains

Civil Enforcement:

• Civil litigation for damages

• Injunctive relief against ongoing violations

• Settlement and civil penalty agreements

Criminal Referral:

• Referral of matters to public prosecutors for criminal prosecution

• Supporting evidence and witness testimony

Supervisory Discipline

The SEC maintains supervisory discipline mechanisms including:

• Market surveillance and trade monitoring

• Periodic examinations of licensees

• Off-site monitoring and risk assessments

• Remedial action orders for deficiencies

Regulatory Role and Function

Legal Foundation

Primary Legislation

Securities and Exchange Act (SEA)

• Core regulatory framework governing securities issuance, trading, and market conduct

• Establishes SEC's investigative and enforcement authority

• Grants SEC power to conduct investigations, request documents, summon witnesses, and conduct inspections

• Provides authority for civil and administrative enforcement actions

Emergency Decree on Digital Asset Businesses, B.E. 2561 (2018)

• Effective date: 14 May 2018

• Establishes regulatory framework for digital asset service providers

• Categorizes six types of digital asset services requiring SEC licensing

• Mandates compliance with capital requirements, cybersecurity standards, AML/CFT rules

• Amended 12 April 2025: Extended extraterritorial scope to apply to offshore operators serving Thai users

Statutory Authority

The SEC operates as an independent public agency with authority to:

• License and supervise securities market participants

• Investigate securities violations and digital asset offenses

• Issue rules, regulations, and guidelines through the Capital Market Supervisory Board

• Conduct civil and criminal prosecutions for regulatory violations

• Impose administrative sanctions, fines, and operational restrictions

• Cooperate with domestic and foreign regulatory authorities

Licensing and Authorization Relevance

Regulatory Sandbox Program

The SEC operates a digital asset regulatory sandbox enabling innovation testing in controlled environments:

Sandbox Structure:

• Duration: Projects approved for maximum one-year testing periods

• Scope Definition: Participants must specify precise service scope to limit risk

• Oversight: Formal SEC supervision with ongoing monitoring

Qualification Criteria:

• Capital adequacy assessment

• Operational system robustness

• Management structure evaluation

• Compliance capability assessment

Eligible Participants: Both domestic Thai companies and foreign entities can apply

Digital Capital Market Development

2026-2028 Strategic Initiative: "Building Trust, Powering Growth"

• Development of digital capital market infrastructure

• Technology integration for tokenization of securities

• Enhanced retail investor access through digital platforms

• Blockchain and distributed ledger technology applications Requires verification from official sources

Incentive Programs

Board of Investment (BOI) Support:

• Tax exemptions for qualifying fintech enterprises

• Visa facilitation for foreign technical talent

• Regulatory certainty frameworks

Payments and Money Movement Relevance

The Thailand Securities and Exchange Commission (SEC) has the following relevance to payments and money movement in Thailand:

Payment Systems Governed or Overseen

The Thailand Securities and Exchange Commission (SEC) does not directly operate payment systems. Its role in payment infrastructure is indirect:

The entity's primary payment relevance is through oversight of post-trade infrastructure (clearing, settlement, and custody) rather than direct operation of payment systems.

Relationship to Other Regulators

IOSCO Membership

Thailand's SEC is a member of the International Organization of Securities Commissions (IOSCO), participating in:

• Board Participation: Represents Asia-Pacific region on IOSCO Board

• Committee Work: Engagement with IOSCO Policy Committee on International Accounting, Auditing, and Disclosure Standards

• Standards Development: Contribution to international securities regulation best practices

• Information Sharing: Coordination on cross-border enforcement matters

ASEAN Coordination

ASEAN Disclosure Standards Scheme (implemented 1 April 2013)

• Established jointly with Securities Commission Malaysia and Monetary Authority of Singapore

• Facilitates cross-border securities offerings within ASEAN

• Standards benchmarked against IOSCO disclosure requirements

• Coverage expanded to Medium Term Note (MTN) programs (MOU signed 18 March 2019)

• Reduces documentation requirements for issuers conducting multi-country offerings

Bilateral Cooperation

• Memoranda of understanding with foreign securities regulators

• Joint enforcement coordination on cross-border violations

• Regulatory information sharing protocols Requires verification from official sources

• Mutual legal assistance on investor fraud investigations

Geography and Jurisdiction Notes

Important Departments and Divisions

Key Public Resources

Official Contact Information

Organization: Office of the Securities and Exchange Commission, Thailand

Website: https://www.sec.or.th (English version: https://www.sec.or.th/EN)

Physical Address:

333/3 Vibhavadi-Rangsit Road

Chomphon, Chatuchak

Bangkok 10900

Thailand

Contact Methods:

• General inquiries: https://www.sec.or.th/EN (contact form)

• Requires verification from official sources Phone: [Main switchboard number not confirmed in sources]

• Requires verification from official sources Email: [General inquiry email not confirmed in sources]

Key Leadership

Secretary-General: Pornanong Budsaratragoon

• Assumed office: 19 September 2023

• Term: Four years (maximum two consecutive terms)

• Appointed by: Cabinet upon recommendation by Minister of Finance

• Background: DBA Finance, MBA International, BBA

Organizational Structure:

• SEC Board (policy and strategy)

• Capital Market Supervisory Board (rules and regulations)

• SEC Office (operational execution) under Secretary-General direction

Official Resources

Regulatory Library:

• Laws and Regulations Database: https://capital.sec.or.th/webapp/nrs/nrs_main_search_en.php

• Emergency Decree on Digital Asset Businesses (English): https://sec.or.th/EN/Documents/ActandRoyalEnactment/RoyalEnactment/enactment-digitalasset2018.pdf

Publications:

• Strategic plans and annual reports

• Regulatory guidance documents

• Market statistics and research

• Digital asset regulations updates

International Relations:

• https://www.sec.or.th/TH/Pages/AboutUs/InternationalRelations.aspx (Thai page)

• IOSCO member page with contact protocols

Notes on Naming and Language