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Your Security Comes First

At ATC, we offer products and services designed to provide you with the most complete security possible.

Your Security Systems Experts in Montreal

In operation for more than 40 years, Alarme Trans-Canada designs, installs and monitors a wide range of high-tech security systems such as intrusion and fire alarm systems, real-time local or remote camera surveillance systems, intercom systems and sprinkler monitoring, card access control systems and other customized systems.

Today, ATC remains ahead of the pack in the security industry, focusing on product excellence, service quality and rigorous management of its highly sophisticated central control station.

We are constantly on the lookout for the most advanced technologies we can use to diversify our products and services to meet the needs of an increasingly demanding market.

Trust us for all your needs regarding residential and commercial security systems in Montreal.

About ATC


Our expertise at your service since 1976.

Various Systems


For the residential and commercial sectors.

Have Questions?


It will be our pleasure to answer them.

Professional Associations

RBQ License: 1519-8252-12

Service Area

  • Greater Montreal

  • Laval

  • Laurentides

  • Estrie

 Central Control Station:


Alarme Trans-Canada Ltée

12291 Laurentien blvd

Montreal, QC, H4K 1N5

Phone: 514-274-9446






Monday - Friday 08:00 AM - 04:00 PM

Saturday - Sunday Closed


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