Cambodia’s legal market, centered in Phnom Penh, has developed rapidly in response to high volumes of Foreign Direct Investment (FDI), particularly in infrastructure, real estate, and manufacturing. The market is defined by leading local firms and prominent regional firms that specialize in navigating the country’s unique legal and regulatory environment.
The following list identifies the most influential commercial law firms in Cambodia, based on their prestige, size, and consistent top-tier rankings in international legal directories across core practice areas like M&A, Banking & Finance, and Real Estate.
Top 10 Commercial Law Firms in Cambodia
| Rank (Approx.) | Firm Name | Structure / Standing | Key Specialties/Focus |
| 1 | DFDL Cambodia | Regional Firm (Indochina Focus) | Tax Advisory, Corporate/M&A, Energy & Infrastructure, Project Finance. |
| 2 | Rajah & Tann Sok & Heng Law Office | Member of Rajah & Tann Asia network | M&A, Capital Markets, Banking & Finance, Competition, leveraging a strong Southeast Asian network. |
| 3 | Bun & Associates | Leading Independent Local Firm | Elite Corporate/Business Advisory, Real Estate, Banking, and Labour Law. |
| 4 | Sok Siphana & Associates (SS&A) | Elite Independent Local Firm | Highly experienced in Government/Regulatory Advisory, Corporate/Commercial, and Projects. |
| 5 | Tilleke & Gibbins (Cambodia) Ltd. | Regional Southeast Asian Firm | Intellectual Property (IP), Corporate/Commercial, Dispute Resolution, and market entry. |
| 6 | HBS Law | Respected Local Firm | Banking & Finance, M&A, Regulatory Compliance, and Capital Markets. |
| 7 | VDB Loi | Specialized Regional Firm | Focus on Legal and Tax Advisory in Energy, Project Finance, and Telecommunications. |
| 8 | BNG Legal | Reputable Full-Service Firm | Local Business Environment expertise, Foreign Investment, Real Estate, and Corporate Law. |
| 9 | Kelvin Chia Partnership | Regional Firm (Singapore HQ) | Full-Service Business Law, Corporate, M&A, and International Expertise. |
| 10 | Sithisak Law Office | Highly Regarded Local Firm | General Commercial Practice, Litigation, and Corporate Law. |
🇰🇭 Defining the Cambodian Legal Landscape
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The Regional Specialist Model: Firms like DFDL (with a deep Indochina history) and Tilleke & Gibbins (with a massive Southeast Asia presence) dominate the market by offering deep local knowledge combined with international best practices.
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Asian Network Advantage: Membership in regional networks, such as Rajah & Tann Sok & Heng Law Office being part of Rajah & Tann Asia, provides significant resources and seamless advice for clients operating across ASEAN countries.
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FDI and Project Focus: Given the significant capital inflows, expertise in Corporate Setup, M&A, Real Estate, and Project Finance (especially in energy and infrastructure) is crucial. Firms like DFDL are consistently engaged on the largest development projects.
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Importance of Local Expertise: Independent, high-profile Cambodian firms such as Bun & Associates and Sok Siphana & Associates are vital for their deep understanding of local regulatory nuances, government liaison, and complex local legal advice.
These top law firms in Phnom Penh are the essential legal partners for any company looking to invest, operate, or expand within the rapidly evolving economy of the Kingdom of Cambodia.