Sentry Security
Chicago's Hometown
Security Company
Sentry Security

Switch an Existing Security System to Sentry Security

Make use of the equipment you have

Are you unhappy with your existing security service? Are you looking for better features or are you just ready to switch to a company that is more local, available and personally invested in your security than your current security provider? Let Sentry show you what we can do for you!

Contact us at 847-353-7200 or by email: to schedule an appointment with one of our Security Consultants to discuss your needs.

Sentry Security can convert nearly any security equipment from most security providers, including ADT, and integrate it into our 24 hour monitoring system. 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. See what sets us apart.

Better Protection

Does your current security solution depend on a land-based telephone line? Sentry can take your old land-line based solution and convert it to a wireless system that sends all alarm and trouble to our central station via cellular network. No land line is required for protection. Crash & smash protection allows an alarm signal to be sent - even if intruder disables alarm during entry delay period or if your phone line is cut by an intruder.

Local & Reliable

When it comes to security systems, itís not hard to see why local is better. At Sentry Security we are local, available and personally invested in keeping your business safe. Sentry is one of the largest independent Chicago security companies, and we are proud to deliver high quality alarm systems and top-notch customer care. Sentry takes the time to understand the your particular needs and provides security and monitoring that is custom fit to your exact situation.

Accessible & Available

One of the biggest reasons to switch to Sentry is the quality of customer service you will receive. Many security companies treat their customers like a number. At Sentry, our friendly 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. As one of Chicagoís largest independent security companies, we are proud to deliver quality products and superior customer care.

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