About
Guardian National Security is Southern California’s trusted security guard company. We provide professional private security guards to stand watch and patrol properties throughout Los Angeles, Orange, Ventura, Santa Barbara, Riverside, and San Diego counties. Our BSIS licensed security guards are all thoroughly screened and trained, and are diligent about staying alert while on duty and completing all assigned post order duties. Guardian National Security is a licensed private patrol operator (PPO) and a proud member of the Better Business Bureau, Chamber of Commerce, and the California Association of Licensed Security Agencies, Guards and Associates (CALSAGA).