Cambodia Firm of the Year 2023
The Legal 500 Southeast Asia Awards
Cambodia Firm of the Year
Asialaw Award 2023 (Editor's Choice Award)
Tier 1 - Financial & Corporate
IFLR1000 Top Tier Firm 2023
General Business Law - Band 2
Chambers Global 2024
General Business Law - Band 2
Chambers Asia Pacific 2024
Leading Firm - Tier 2
The Legal 500 - Asia Pacific 2024
Highly Recommended
Asialaw Awards 2023

Welcome to Rajah & Tann Sok & Heng Law Office
Based in Phnom Penh, the capital of Cambodia, Rajah & Tann Sok & Heng Law Office (RTSH) is one of Cambodia’s most highly regarded full service law firms. We provide incisive, high quality legal services to domestic and international clients, on their most complex and challenging local and cross-border transactions, as well as their day-to-day operations.
RTSH won various awards from independent publications such as The Legal 500 and Asialaw. We are also recognised as a leading law firm in Cambodia by Chambers & Partners, and IFLR1000.
Our reputation is built on helping clients achieve their goals, by combining international outlook and standards with in-depth local expertise. We provide our clients with expert guidance through the intricacies of Cambodia’s legal system, and help them find creative and commercial solutions to issues and risks. To optimise our clients’ trust and reliance on our services and expertise, the firm operates under stringent standards of loyalty and with the highest ethical and professional principles.
We advise clients in a wide range of practice areas, across the corporate and commercial spectrum, and we have particular expertise in a number of important industry sectors, including banking & finance, capital markets, mergers & acquisitions, real estate, construction & projects, foreign investment approvals, technology, intellectual property, media & telecommunications and energy & resources. As a member of the Rajah & Tann Asia network, we are strategically placed to meet your legal needs not just in Cambodia, but also throughout Asia.
Latest Viewpoints
Instruction on the Implementation of Licence for Special Employees in Casino Establishments
Instruction No. 008/25 on the Implementation of Licence for Special Employees in Casino Establishments sets out obligations for casino owners and operators on Special Employee licences.
Notification on Lawful Casino Operation in the Kingdom of Cambodia
Notification No.009/25 on Lawful Casino Operation in the Kingdom of Cambodia sets out obligations to be observed by casino operators .
Instruction on Relief Measures to Alleviate the Burden of Citizens Affected by the Cambodia-Thailand Border Conflict
On 30 July 2025, the National Bank of Cambodia issued an Instruction on Relief Measures to Alleviate the Burden of Citizens Affected by the Cambodia-Thailand Border Conflict (“Instruction”). This action was taken in response to an appeal by Samdech Moha Borvor Thipadei Hun Manet, Prime Minister of the Kingdom of Cambodia and reflects a spirit of solidarity and humanitarian concern aimed at easing the hardship faced by soldiers actively serving in the battlefield as well as citizens impacted by the ongoing border conflict.
This Update highlights the key features of the Instruction.
“Rajah & Tann Sok & Heng Law Office is sophisticated and professional in its approach and is a well-established firm.
Client Testimonial - Chambers Asia-Pacific (2025)