2016 EBSCO Research Best Pick
847-315-9171

Sentry Security

6th year as a Best Pick

  • A-Rated
  • Verified License(s)
  • Verified General Liability Insurance
  • Verified Workers' Comp

"Sentry Security seeks to create a relationship with all customers by taking a personal approach when interacting with them. Our goal is to create delighted customers. We focus on doing the job right, being fair and understanding, and developing a strong relationship with our customers."

David Balestrery | President

Areas Served:

Northern Chicago, North Shore, Northwest Chicago Suburbs, Southwest Chicago Suburbs, Western Chicago Suburbs

  • Services Offered
    Sentry Security offers installation and monitoring of burglar and fire alarms for residential and commercial customers. The company also installs and services access control systems and camera systems, including video surveillance.
  • Specializations
    Sentry specializes in value-added interactive services, such as remote arming and disarming, remote lighting and thermostat control, and non-emergency messaging.
  • Warranty
    The company offers a one-year warranty on all installations.
  • Awards & Certifications
    Sentry Security has been featured in SDM Magazine's SDM 100 Report seven years in a row from 2009 to 2015.
  • Employee Information
    Employees of the local company wear uniforms and drive marked vehicles.
  • Licenses
    #127-000910

Select Quotes from Customer Interviews

A selection of 114 homeowner reviews:


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I like the people who work for Sentry Security—they are phenomenal. Their timeliness is good, and the services are just great. They deserve an A+ grade.
They are good at what they do. They specialize in home security, and they are experts. We've used them several times, and we've always been satisfied. I'd say they get an A.
Sentry Security was responsive to my needs. They did an installation. They knew exactly what their business was, so they were able to answer all my questions. We chose them because it was a local company. I would give them an A+.
We had an emergency situation where there was a large clacking sound within our walls. We called Sentry, and they took care of it while we were on vacation, so they made it very easy for us. They earned an A.
I think Sentry Security bought out the company that existed when I bought the house, but they've been good. Everything was very simple and self-explanatory. I would say they're A+.
We use Sentry Security, and they do very good job. I'd give them an A rating.
I've had Sentry Security for years, and I've never had a problem. They get an A.
I had a security system installed a while ago, and Sentry Security came in and made it wireless. I like the way the system operates. I can turn it on and off from my phone now, which makes it nice. It's all good. Their grade would be an A.
I've used Sentry Security for about four years. The complex I used to live in hired them. I liked them, so I wanted to use them again.
When I bought the house, Sentry Security was the company that the previous owner had used, so I just continued the service. The employees were very good. I would give them an A.
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