Brokerage firms in Thailand provide access to the Stock Exchange of Thailand (SET) and the Thailand Futures Exchange (TFEX), offering equities, ETFs, bonds, derivatives, and IPOs. Regulated by the Securities and Exchange Commission (SEC), these firms operate in a market with over 800 listed companies (SET index at ~1,400 points as of October 31, 2025, up ~12% YTD), a market capitalization of ~THB 20 trillion (US$600 billion), and increasing retail participation (over 4 million investor accounts, +15% YoY). In 2025, the sector includes 39 SEC-licensed securities companies (down from 50 in 2023, due to consolidation), blending full-service models (research, advisory) with digital platforms (e.g., Streaming via settrade.com). "Best" brokers emphasize low commissions (THB 0–100 per trade), reliable SET platforms, customer service in Thai/English, and SEC compliance amid a stable market (SET projected 10-15% growth, driven by tourism/tech).

This guide, updated as of October 31, 2025, ranks and details top firms based on SET turnover (volume/value; daily ~THB 50-70 billion), active clients (from SEC/SET data), user ratings from BrokerChooser (5/5 scale), Asia Plus Securities, and Reddit/ThailandInvesting, plus criteria like fees, platform usability, branch networks (Bangkok, Chiang Mai), and regulatory standing. We cover largest by turnover/clients, best overall picks, detailed profiles for the top 10, comparisons, regulations, trends, and selection tips. Data reflects 2025 trends: Digital trading at 70%+ (settrade.com leads), ETF surge (+20% AUM), and foreign investor inflows (QFII up 10%).

Largest Brokerage Firms in Thailand by Turnover and Active Clients (SET/SEC Data, Q3 2025)

SET ranks brokers by order volume; top 10 handle ~60% of retail flow. Securities houses dominate; banks via subsidiaries. Consolidation to ~18 firms targeted by 2026.

Top 10 by Turnover (SET Leaders, 2025)

Top 10 by Active Clients (Est. from SEC/SET, 2025)

Sources: SET Broker Ranking, SEC Reports, BrokerChooser, Asia Plus Securities.

Best Overall Brokerage Firms in Thailand 2025

Aggregating ratings from BrokerChooser, SET Awards, Asia Plus, and Reddit/ThailandInvesting. Focus on THB 0–100 trades, app ratings (4.5+), and SEC licensing.

Best for Beginners and Overall

Best for Active Traders (F&O / Volume)

Best for Low Costs and ETFs

Best for Full-Service and HNWIs

Detailed Profiles of the Top 10 Brokerage Firms in Thailand

1. Kasikorn Securities (KSec)

• Overview: Kasikorn Bank arm; Bangkok; 10M+ clients; SET Award Winner.
• Fees: SET: THB 0; US: THB 0; AMC: Free.
• Account Types: ISA, Retirement Fund.
• Platform: KSec app (4.9/5); HTS.
• Pros: NISA-like ISA, research, IPOs; SEC.
• Cons: Peak overload.
• Best For: Retail/ISA.

2. Bualuang Securities

• Overview: Bangkok Bank subsidiary; Bangkok; 8M users.
• Fees: SET: THB 0–50; ETFs: THB 0; AMC: Free.
• Account Types: ISA, Global.
• Platform: Bualuang app (4.8/5).
• Pros: Bank trust, beginner tools; SEC.
• Cons: Variable fees.
• Best For: Bank users.

3. Kiatnakin Phatra Securities (KKP)

• Overview: KKP group; Bangkok; research-focused.
• Fees: SET: THB 0; F&O: THB 100; AMC: Free.
• Account Types: ISA.
• Platform: KKP app (4.7/5).
• Pros: Research, sustainable finance; SEC.
• Cons: Less global.
• Best For: Research investors.

4. Asia Plus Securities

• Overview: Independent; Bangkok; global trading.
• Fees: SET: THB 0–99; ETFs: THB 0; AMC: Free.
• Account Types: ISA.
• Platform: Asia Plus app (4.6/5).
• Pros: Global access, education; SEC.
• Cons: Variable fees.
• Best For: Global beginners.

5. Finansia Syrus Securities

• Overview: Syrus group; Bangkok; derivatives strong.
• Fees: SET: THB 0; F&O: THB 50/lot; AMC: Free.
• Account Types: Margin.
• Platform: Syrus app (4.7/5).
• Pros: Low latency, API; SEC.
• Cons: Less branches.
• Best For: Day traders.

6. Phillip Securities Thailand

• Overview: Singapore-based; Bangkok; foreign access.
• Fees: SET: THB 0–150; F&O: THB 100/lot; AMC: Low.
• Account Types: ISA.
• Platform: Phillip Trader (4.6/5).
• Pros: Foreign expats, execution; SEC.
• Cons: FX fees.
• Best For: Expats.

7. SCB Securities (SCBS)

• Overview: SCB Bank arm; Bangkok; IPOs.
• Fees: SET: THB 0–200; AMC: Free.
• Account Types: ISA, IPO.
• Platform: SCB app (4.5/5).
• Pros: IPO access, bank linkage; SEC.
• Cons: Moderate fees.
• Best For: IPOs.

8. Yuanta Securities Thailand

• Overview: Taiwanese; Bangkok; ETF focus.
• Fees: SET: THB 0; ETFs: THB 0; AMC: Free.
• Account Types: ISA-Growth.
• Platform: Yuanta app (4.5/5).
• Pros: ETF leader, research; SEC.
• Cons: Limited F&O.
• Best For: ETFs.

9. KRUNGTHAI XSPRING SECURITIES

• Overview: Krungthai Bank; Bangkok; fixed income.
• Fees: SET: THB 0–100; Bonds: THB 0; AMC: Free.
• Account Types: ISA.
• Platform: Xspring app (4.4/5).
• Pros: Fixed income, bank perks; SEC.
• Cons: Basic stocks.
• Best For: Bonds.

10. Maybank Kim Eng Securities

• Overview: Malaysian; Bangkok; regional.
• Fees: SET: THB 0–200; F&O: THB 150/lot.
• Account Opening: Free.
• Investment Options: SET stocks, regional.
• Customer Service: Branches.
• Pros: Regional access; SEC.
• Cons: Fees.
• Best For: ASEAN traders.

Comparisons: Key Metrics Across Top Firms

Regulations and Governing Bodies in Thailand

• Regulator: SEC (Securities and Exchange Commission).
• Key Rules:
• Tiered commissions (0.25% max for <THB 100M).
• T+2 settlement; DCV via TSD.
• RMF/SSF (tax-free: THB 500k/year).
• Investor Protection:
• SEC Fund (up to THB 500k).
• SEC mediation.
• 2025 Updates:
• RMF expansion (THB 1M limit).
• Digital KYC via National Digital ID.
• ESG mandatory for SET50.

2025 Trends and Market Insights

• Stable Growth: SET ~1,400 (+12% YTD); 10–15% projected (tourism, exports).
• RMF Surge: THB 1.5T AUM (+20% YoY); 4M accounts.
• Digital Boom: 70% app trades (KSec/Bualuang).
• ETF/Global: US ETFs +25%; QFII inflows THB 200B.
• Challenges: Inflation (2%), 60% retail underperform.
• Growth: 4M+ accounts (+15% YoY); brokerage revenue THB 50B.

How to Choose the Best Brokerage Firm in Thailand

Tips:

• Open RMF first (tax-free).
• Use National Digital ID for e-KYC.
• Link bank for auto-funds.
• Diversify with ETFs.

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