The legal landscape in Bangkok for 2025 is dominated by firms that effectively bridge local regulatory complexity with global business standards. For international clients, the ideal partner provides deep expertise across Corporate, Real Estate, and specialized Investment sectors.
Here are the top-rated legal advisors, recognized by their consistently high rankings in key practice areas:
Tier 1: Global Network & Corporate Transaction Leaders
These firms are the gold standard for high-value transactions, cross-border M&A, and sophisticated regulatory compliance.
| Rank | Firm Name | Core Expertise | Key Advantage for Global Investors |
| 1 | Baker McKenzie | M&A, Tax, Real Estate (Band 1), Banking & Finance. | Unmatched Global Reach: Provides truly seamless, integrated legal and tax strategies across multiple jurisdictions, often handling the largest corporate acquisitions in the region. |
| 2 | A&O Shearman | Capital Markets, High-Value M&A, Project Finance, Private Equity. | Financial Elite: Top-tier expertise for financial institutions and corporations requiring sophisticated advice on capital markets, corporate restructuring, and complex financing deals. |
| 3 | Tilleke & Gibbins | Corporate/M&A, Intellectual Property (IP), FDI, Regulatory Compliance. | Deep Regional Authority: The essential guide for navigating the Foreign Business Act (FBA) and maximizing BOI Promotion incentives. Market leader in IP prosecution and regional litigation. |
| 4 | Linklaters | Capital Markets, M&A, Banking & Finance, Joint Ventures. | Transactional Focus: Renowned for sophisticated advisory on high-value inbound and outbound M&A and capital markets deals. |
| 5 | Chandler MHM | Project Finance, Energy & Infrastructure, Corporate Real Estate. | Sector Specialization: Market leader in highly regulated sectors, crucial for large-scale infrastructure projects and corporate real estate development (e.g., industrial, energy). |
Tier 2: Specialized & Accessible Legal Services
These firms offer high-quality, focused expertise critical for property investors, growing SMEs, and individuals needing comprehensive local support.
Real Estate & Property Advisory
- Blumenthal Richter & Sumet (BRS): Highly regarded for advising private equity, developers, and high-net-worth individuals on the acquisition and development of hotels, resorts, and commercial properties in Thailand.
- DFDL Legal & Tax: Provides specialized regional legal and tax advisory across Southeast Asia, with a strong focus on foreign direct investment, energy, and real estate.
Expat & SME Full-Service
- Siam Legal International: The most recognized full-service firm for the expat community. They offer transparent, fixed-fee services for all Immigration matters (Visas, LTR, Work Permits), Property Due Diligence, and efficient SME corporate setup.
- Kudun and Partners: A dynamic independent firm with a growing reputation in Mid-Market M&A and advisory for real estate acquisitions, joint ventures, and financing in the hospitality and residential sectors.