Our story
For over 125 years, we’ve made protecting and connecting the centerpiece of what we do.
1874-1890:
First security system network
It all started on April 5, 1874, with a nighttime break-in. American District Telegraph (ADT) founder Edward Callahan created a telegraph-based “call box” to signal for assistance to a central office. He quickly connected 50 other homes in the neighbourhood, creating the first residential security system network.
1890-1920: Roundsmen
ADT introduced the first proactive security monitoring and response service, employing roundsmen to make rounds each night of customers’ homes to help prevent crime before it happened.
ADT’s first president
Robert C. Clowry was ADT’s first president. He was also a colonel in the US military. He worked his way up from messenger boy, eventually serving as president of both Western Union and ADT which he led for eight years.
1920-1940:
Central monitoring centres
ADT pioneered the concept of the central monitoring centre, enabling thousands of customers to link to 24/7/365 monitoring and protection.
1940-1989:
First burglar system
ADT started its first big expansion in the 1940s after pioneering the first automated burglar system. At the same time, ADT installed the first automated fire alarm system providing immediate response to fire.
1989-2010:
Secured by ADT
A new ADT security feature gained immediate customer approval: the iconic ADT yard sign which now dots thousands of yards across the country.
2014:
Reliance Protectron
In July 2014, ADT purchased Reliance Protectron Inc., at the time Canada’s second-largest security services provider with 400,000 customers from coast to coast.
2010-2017:
ADT Interactive Services
ADT elevated home intelligence when it launched Interactive Services, the app that lets customers remotely access and control their home security system, as well as lighting, climate control, video surveillance and much more..
Present:
Creating customers for life
Much has changed since our humble beginnings in 1874. One thing that hasn’t is our desire to constantly improve. So we combined forces with Protection 1 to further raise our standards for customer security and service.
In Canada, we’re headquartered in Montreal and Toronto. With our network of qualified professionals specializing in the installation, servicing and monitoring of security and smart home automation systems, we serve more than 800,000 residential, commercial and industrial subscribers across the country.
Home security Calgary
ADT is trusted by homeowners everywhere since 1874. We provide home security systems in Calgary, the Stampede City in Alberta.
Here are just some of the benefits of choosing ADT Calgary:
#1 Home Security Company in Canada
Monitoring Centres across Canada
24/7 Bilingual Service
We’re in your community
Our ADT Calgary branch is ready to serve your every security need. You can call us or visit us at the times mentioned below to learn more about our home security and alarm systems.
The ADT Calgary team is dedicated to your safety, and helping take care of the people and things you value most in your life. We offer professional home security installation and a variety of security and smart home products and solutions tailored to your specific needs.
Already an ADT customer? Your ADT monitored security system may make you eligible* for discounts on your homeowner’s insurance. We’ll be happy to provide a certificate for your insurer if required.
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