Trusted Home & Business
Alarm Services in the GTA
Our Service Areas in the Greater Toronto Area
From Hamilton to Toronto to the Durham Region, we install, monitor, and maintain alarm systems throughout the entire GTA. Below is a list of the communities we serve. If you don’t see your city, call us; we’re always expanding our coverage.
Security Services in North GTA & York Region:
Security Services in West GTA & Peel/ Halton:
Security Services in Extended/ Simcoe County:
Serving Homes & Businesses Across the GTA
We provide residential and commercial alarm services throughout Toronto and the surrounding areas. Whether you need monitored alarm systems in Mississauga, commercial alarm services in the GTA, or residential security maintenance in Toronto, our team has you covered.
With local technicians, 24/7 monitoring, and customized solutions, Grand Alarms is your trusted partner for security across the Greater Toronto Area.
Security Solutions Available in Every Service Area
Alarm Installation :
Reliable burglar and fire alarm setups.
24/7 Alarm Monitoring:
Emergency response across Toronto.
Smart Alarm Integration:
Connect cameras and mobile apps.
Commercial Alarm Services: Protect businesses with access control and monitoring.
Secure Your Property with a Free Consultation
Protect your home or business with expert alarm installation and 24/7 monitoring across the GTA. Fill out this quick form and our local security specialists will call you back the same day with customized solutions for your property type and needs.
Have a question? Call 416-657-2100
Already a Grand Alarms customer?
Why GTA Homeowners & Businesses Choose Grand Alarms
What Our Customers Say in the GTA
Answers to Common Questions from Ontario Homeowners
Q: Do you offer alarm installation in Mississauga and Brampton?
Q: Can I move my Grand Alarms system to another city?
Q: Do you install alarm systems for both homes and businesses?
Q: Can I add smart devices to my alarm system?
Absolutely. Our security systems can be integrated with smart cameras, video doorbells, thermostats, and mobile apps. This lets you manage your alarms and connected devices all in one place, giving you extra convenience and real-time control over your property’s security.
Q: Do you offer maintenance and support after installation?
Yes. Our team provides full maintenance, testing, and support for your security system after installation. From replacing batteries and sensors to troubleshooting issues, we ensure your system always runs at peak performance.
Protect Your Home or Business Anywhere in the GTA.
Trusted Home & Business
Alarm Services in the GTA Since 1997
Our Service Areas in the Greater
Toronto Area
From Toronto to Durham Region, we install, monitor, and maintain alarm systems in every major GTA city. Below is a list of the communities we serve. If you don’t see your city, call us, we’re always expanding our coverage.
Security Services in North GTA & York Region:
Security Services in West GTA & Peel/ Halton:
Security Services in Extended/ Simcoe County:
Serving Homes & Businesses
Across the GTA
We provide residential and commercial alarm services throughout Toronto and surrounding areas. Whether you need monitored alarm systems in Mississauga, commercial alarm services in the GTA, or residential security maintenance in Toronto, our team has you covered. With local technicians, 24/7 monitoring, and customized solutions, Grand Alarms is your trusted partner for security across the Greater Toronto Area.
Security Solutions Available in Every Service Area
Alarm
Installation
Reliable burglar and fire alarm setups.
24/7 Alarm
Monitoring
Emergency response across Toronto.
Smart Alarm
Integration
Connect cameras and mobile apps.
Commercial Alarm Services
Protect businesses with access control and monitoring.
Secure Your Property with a Free Consultation
Protect your home or business with expert alarm installation and 24/7 monitoring across the GTA. Fill out this quick form and our local security specialists will call you back the same day with customized solutions for your property type and needs.
Have a question? Call 416-657-2100
Already a Grand Alarms customer?
Why GTA Homeowners & Businesses Choose Grand Alarms
For over 20 years, Grand Alarms has helped families and businesses in the GTA feel safer. Our local security system installers know Ontario’s licensing rules, provide fast installations, and offer flexible packages for homes, offices, and retail. With 24/7 monitoring, wireless options, and expert support, you get security you can trust, delivered locally.
What Our Customers Say in the GTA
Our reputation is built on trust, reliability, and local expertise. Homeowners and businesses across the GTA count on Grand Alarms for fast installations, 24/7 monitoring, and ongoing support.
Here’s what some of our satisfied customers have to say about their experience with our team.
Got Questions About Security Services?
We’ve Got Answers.
Q: Do you offer alarm installation in Mississauga and Brampton?
Yes. Our technicians install and maintain security systems across Mississauga, Brampton, and all GTA cities.
Q: Can I move my Grand Alarms system to another city?
Yes. If you move within the GTA, we can reinstall and reconnect your system.
Q: Do you install alarm systems for both homes and businesses?
Yes. We provide security system installation for houses, condos, retail stores, offices, and commercial properties. Whether you need a monitored alarm for your home or a full access control solution for your business, our installers can customize a package that fits your needs.
Q: Can I add smart devices to my alarm system?
Absolutely. Our security systems can be integrated with smart cameras, video doorbells, thermostats, and mobile apps. This lets you manage your alarms and connected devices all in one place, giving you extra convenience and real-time control over your property’s security.
Q: Do you offer maintenance and support after installation?
Yes. Our team provides full maintenance, testing, and support for your security system after installation. From replacing batteries and sensors to troubleshooting issues, we ensure your system always runs at peak performance.
Protect Your Home or Business Anywhere in the GTA.
Get Started Today.