Onsite Security Guards & Patrol Service, also known as Triomph Security Guards, is a premier corporate security provider headquartered in Los Angeles, California. We proudly serve clients across Southern California with a commitment to safety, professionalism, and excellence. Our comprehensive services include uniformed and plainclothes unarmed security, armed executive and celebrity protection, marked vehicle patrols, bicycle and marine patrols, alarm response, environmental security, and special event security. Our team has also provided event security for prestigious global events, including the U.S. Olympic Games.

Phone: (310) 957-9550