Established in 1975, Guardian Security Services, Inc. has nearly 50 years of experience in the security industry. As a family-owned, second-generation firm with our Corporate Headquarters in Blue Island, we take pride in delivering "Best in Class Service" to our clients throughout the Chicagoland area. Our expert security consulting, planning, implementation, and evaluation aim to safeguard lives and property.

The key to our success lies in our unique experiences and adaptability to diverse and challenging situations. Guardian employs a team approach to meet security needs, collaborating effectively with various administrative and security elements. Our hands-on management style involves corporate executives personally overseeing the development and implementation of security programs. With a 24-hour staffed office, we can promptly respond to our client's emergency requirements.