About

Comprehensive Security Services, Inc. is a trusted security agency with over 35 years of experience, offering unarmed and armed services to clients in California and Nevada. We are licensed, bonded, and insured, and know how to develop effective security solutions.

Since being founded in 1989, CSSI has helped countless company owners protect their commercial properties. Our myriad vetted security guards can oversee a wide range of establishments, including construction sites, hospitals, schools, hotels, and more. We are also a FEMA disaster and recovery security provider.

CSSI goes above and beyond by extending competitive rates on our private security services and providing excellent customer service.