Our Services
We would be pleased to advise you on the sectors pertaining to legal issues that are of particular interest to you.
Engagement
Regulatory, corporate affairs and taxation
Litigation
Mediation and commercial arbitration Criminal and civil case at all courts
Registration & Licensing
Registration/Licensing/Transfer Investment Business/Company Casino Property Ownership Hypothicated deed Mortgage…etc.
Legal Advice
Investment Real estate Banking Micro-Finance Labor Telecommunication Tobacco Beverage…etc
Legal Instrument
Lease Sale & Purchase Franchising Construction Shareholder Joint venture Bad debt recovery
Counterfeit Enforcement
Illicit intelligence/combat Liaise competent authorities to enforce law against counterfeit/violation of any IPR
Our People
Adhering to the guiding principle “Your case is our case!” our attorney takes your case seriously in identifying and delivering effective solutions and professional services, as well as representing you with the utmost diligence throughout the litigation process before the appropriate authority and court.
Latest News
The following are a few of the extralegal social development endeavors to which our co-founder, Mr. Rattana UM, has contributed.
- The Assembly of Intellectual Property Association of Cambodia and Election of the New President and Council Members of the Association for the 4th Mandate (2026-2028)by UM RattanaPhnom Penh, December 9, 2025, His Excellency Um Ratana was elected as the President of the Intellectual Property Association of … Read more
- Participation in the Gala Dinnerby Phaey phearumThe Gala Dinner is an important part of the event, bringing together guests, partners, and participants for an evening of … Read more
- The Cambodian Red Cross – Social Responsible Eventby UM RattanaThe Social Responsible event is annually held by the Cambodian Red Cross to help the life
- Primary School Grand Opening Ceremony in Prey Veng Provinceby leaderAtty. Rattana UM, President of Rattana & Associates Law Office and under the highest
Our Clients
“Our clients include individuals, businesses, and organizations who trust our firm for reliable legal guidance and effective representation.”
BAT Cambodia
British American Tobacco (Cambodia) Limited
Heineken
Heineken (Cambodia) Co., Ltd.
HANUMAN
HANUMAN Co., Ltd.
DKSH
DKSH Co., LTD.
Crown
Crown (Cambodia) Co., Ltd.
Manulife
Manulife Insurance Co., Ltd.
GPAS Advertising & Decor
GPAS Advertising & Decor Co., Ltd
KESS Innovative
KESS Innovative Co., Ltd.
Cathay Bank United of Cambodia PLC.
Cathay Bank United of Cambodia PLC.
Nexus Development
Nexus Development Co., Ltd.
SUVI
SUVI Co., Ltd,
Swisscontact
Swisscontact
Otherway
Otherway (Cambodia) Co., Ltd.
Popular Council
Popular Council



