All issues and situations are not one size fits all. OnGuard, one of the best security guard services in California, provides site specific customized security plans and procedures to fit our clients unique needs. Our highly qualified security experts and management team members have extensive expertise in providing private security guard services to many diverse industries such as corporate headquarters, commercial real estate properties, financial institutions, educational campuses, healthcare facilities, manufacturing & industrial facilities, retail shopping centers, residential communities, and sensitive government facilities.