Commercial Alarm Systems · 24/7 Professional Monitoring

An Alarm That Actually Gets Answered.Installed, Monitored & Serviced by One Team

A siren nobody responds to is just noise. We install commercial intrusion systems, connect them to a UL-listed monitoring center, and stay accountable for the system for as long as you own it — so an alarm at 2 a.m. turns into a dispatched response, not a voicemail.

Request a Free Site AssessmentCall (708) 670-7766
4,000+systems installed
2006serving Chicagoland since
150+five-star Google reviews
1team accountable for it all
The Problem

Where Most Business Alarm Systems Fail

The panel gets installed and forgotten. Codes never change after employees leave, the cellular communicator lapses, false alarms rack up municipal fines, and when something finally happens the system was armed by nobody.

Response

Nobody is watching

A local-siren-only system depends on a neighbor calling it in. Professional monitoring means a trained operator verifies and dispatches police within seconds.

Liability

False-alarm fines add up

Chicago-area municipalities bill per false dispatch. Video verification and proper zoning cut false alarms dramatically.

Turnover

Old codes still work

Former employees, contractors and cleaners keep access. Cloud-managed panels let you revoke a code from your phone.

Coverage

Gaps you don't know about

Back doors, roof hatches, server rooms and after-hours loading docks are the entries burglars actually use.

What We Install

Alarm.com-Powered Intrusion Systems

We design around how your building is actually used: staffed hours, delivery windows, multiple tenants or campuses. Every install comes with a written zone map and a monthly plan that includes service.

  • Door/window contacts, glass-break and motion detection sized to the building
  • Cellular + IP dual-path communication — no phone line to cut
  • 24/7 UL-listed central station monitoring with police dispatch
  • Video-verified alarms that link to your camera system
  • Arm/disarm, user codes and open/close reports from the Alarm.com app
  • Panic buttons, duress codes and holdup alarms for retail and cash-handling
  • Multi-site accounts managed from one dashboard
Commercial alarm and camera system installed at a Chicagoland business at night
Who It's For

Built for Your Operation

Retail & Cash Businesses

Hold-up buttons, safe sensors and open/close reporting so you know who armed the store and when.

Warehouses & Logistics

Large-area coverage on loading docks and yards, integrated with cameras so operators see the alarm before dispatching.

Schools & Municipal Buildings

Schedule-based arming for after-hours use, partitioned zones for gyms and community rooms, and documentation for your board.

Multi-Location Operators

One account, one bill, consistent hardware and codes across every location.

How It Works

From Site Walk to Sign-Off

Site walk

We document every entry point, existing wiring and how the building is used after hours.

Fixed-price proposal

Equipment, installation and the monthly monitoring/service plan on one page.

Install & program

Licensed technicians install, test every zone with the central station and train your staff.

Monitor & maintain

Ongoing monitoring, code changes and service calls are all part of the plan — one number to call.

Client Result

After switching to Technology Gateway, our false-alarm fines dropped to zero and the first real event was dispatched before our manager even got the text.

Multi-location retail client, south suburbs
FAQ

Alarm & Monitoring Questions

Plans depend on the communicator type, number of partitions and whether video verification is included. Most commercial accounts fall in a predictable monthly range that also covers service — we quote it in writing before installation.
Often, yes. Many panels can be re-programmed to our monitoring center and upgraded with a cellular communicator instead of being replaced.
Yes. We install dual-path communicators that fall back to cellular if your internet or phone line fails.
Yes. When your alarm is integrated with your camera system, the monitoring operator reviews a clip of the event, which reduces false dispatches and fines.
Yes. Multi-site operators get one dashboard, one bill and consistent arming schedules across every location.
Get Started

Free On-Site Assessment

We walk your facility, document every door, camera angle and cable path, and send a fixed-price proposal — usually within two business days. No obligation.

Call or Text(708) 670-7766
Emailsales@tgatewayinc.com
Office5631 W 87th Street, Oak Lawn, IL 60453
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