Kastle Systems – Chicago Office

Telephone  312.849.8800  |  855.527.8531

Kastle Systems is a private managed security service provider for Chicago, Illinois. For over 45 years, we’ve been leading the security industry with advanced managed security solutions and services. We offer innovative turnkey solutions for clients in Chicago, across the nation, and the world protecting more than 2 million people across 10,000+ locations globally.

We offer access controlvideo surveillancevisitor management and identity management, as well as a suite of mobile security applications – all integrated on an open, standards-based platform and supported by a team of experts 24x7x365.

Call For a Quote Today!


Monday 8:00 AM to 6:00 PM
Tuesday 8:00 AM to 6:00 PM
Wednesday 8:00 AM to 6:00 PM
Thursday 8:00 AM to 6:00 PM
Friday 8:00 AM to 6:00 PM
Saturday Closed
Sunday Closed
Our Operations Center is available 24/7, our main office is open 8:00 am – 6:00 pm.

Contact Us

Stay informed.
Subscribe to our updates.

Stay updated on the latest security trends and technology, including our KastleWatch newsletter, news, virtual events, and promotions.