Why Security Services

Sentry Security seeks to delight customers by taking a personal approach to security. We focus on doing the job right, being fair and understanding and developing a strong relationship with our customers.

Local & Reliable

Sentry Security, your independent security company, has helped thousands of home and business customers fulfill their needs for effective security, asset protection, and peace of mind for over 30 years. As an industry leader, Sentry Security receives consistently high ratings from customers. Sentry Security specializes in the design, installation, service and monitoring of security and fire alarm systems, video surveillance and access control systems.

Accessible & Available

As one of Chicago’s, largest independent security companies we are proud to deliver quality products and superior customer care. Many security companies treat their customers like a number. At Sentry, our knowledgeable customer care representatives will answer the phone — not a machine. They are expertly trained to answer your questions and develop solutions around your specific needs. We take time to get to know you and your needs and are there for you.

Stability & Longevity

Sentry is proud to have built a team of professionals to serve our customers. Our Technicians and Office Staff have substantial industry experience and most have long tenures with Sentry and its legacy companies acquired through mergers.

Our central station partners provide multiple, redundant physical sites that offer secure UL/FM-certified monitoring facilities to deliver uninterrupted service, regardless of adverse conditions, as well as professionally trained security professionals to monitor your home and business 24 hours a day, 365 days a year.