Sergio Reyes founded Professional Security Services, Inc. (ProTech Security) in June of 1994 to provide personalized and professional security services to the San Francisco Bay Area commercial market. In 2006, Sergio Reyes became the sole owner of ProTech Security. ProTech Security has grown to become one of the largest regional providers of union affiliated security services in the San Francisco Bay Area. We continuously train our staff to stay ahead of changing laws, policies, and expectations.