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41 Years
experience
Emergency
services
Your Trusted Security Partner in St. Catharines
Since 1985, Alliance Security Niagara has been Southern Ontario's trusted provider of comprehensive security solutions. As a family-owned business, we combine local expertise with cutting-edge technology to deliver customized protection for residential and commercial properties. Our team of salaried, bonded technicians provides professional installation of alarm systems, high-definition security cameras, access control solutions, and advanced outdoor monitoring systems. With ULC-listed, five-diamond certified 24/7 monitoring, we ensure rapid response to security threats, fire emergencies, and environmental hazards.

Our commitment extends beyond traditional security through specialized services like wellness medical monitoring and remote video verification. Backed by over 35 years of experience and thousands of satisfied customers, we treat every client like family, offering honest advice and personalized service. Our locally invested team understands community needs while maintaining industry leadership through continuous technological innovation. This combination of human expertise and advanced systems has made us Niagara's preferred security partner for generations.
Services
Alarm Systems Security Cameras Access Control Remote Monitoring 24/7 Surveillance
Details
  • Year established: 1985
Highlights and features
  • Local team with 35+ years of security expertise in Southern Ontario
  • Family-owned business prioritizing personalized customer service
  • ULC-listed, five-diamond certified 24/7 monitoring center
  • Advanced technology integration with real-time visual verification
  • Specialized solutions for residential, commercial, and remote properties
Associations and certifications
  • ULC
  • Five-Diamond Certified
Services
Alarm Systems
Professional installation of wired and wireless alarm systems with 24/7 monitoring for residential and commercial properties. Our systems integrate with fire and flood detection sensors for comprehensive protection. Backed by ULC-certified monitoring center with rapid emergency response capabilities.
Security Cameras
High-definition security camera systems with remote viewing capabilities. Features include intelligent AI detection, color night vision, and real-time alerts for unauthorized activity. Systems can be integrated with alarm systems for enhanced security coordination.
Access Control
Custom access control solutions for commercial properties including keycard systems and automated entry management. Integration available with alarm systems for unified security management. Supports scheduling and user access level configurations.
Remote Monitoring
Advanced outdoor security solutions with self-powered, weatherproof monitoring towers. Provides real-time threat detection with visual verification through photo capture. Ideal for construction sites, farms, and remote locations without power access.
24/7 Monitoring
ULC-listed monitoring center providing round-the-clock surveillance and emergency response. Services include immediate police/fire dispatch, flood detection alerts, and wellness monitoring for medical emergencies with guaranteed rapid response times.
Questions
What security services do you offer?
We provide alarm systems, security cameras, access control, 24/7 monitoring, and remote outdoor security solutions for residential and commercial properties across Southern Ontario.
Do you serve areas outside Niagara?
Yes, we serve all of Southern Ontario including Halton, Brant County, Toronto, and surrounding regions for both residential and commercial security needs.
Are your monitoring services available 24/7?
Our ULC-certified monitoring center operates 24/7 with rapid response to security threats, fire emergencies, and environmental hazards like floods.
Can you install security systems in remote locations?
Yes, our SiteGuard remote security system works in locations without power or internet using self-powered, weatherproof towers with real-time threat detection.
Do you offer free consultations?
Yes, we provide free consultations to assess your security needs and recommend customized solutions for home or business protection.
How quickly do you respond to emergencies?
Our monitoring center dispatches authorities immediately upon alarm activation with visual verification technology to confirm threats within 9 seconds.
Reviews (3)
Lesley Montgomery
Feb 11, 2021 Report
Had Kent out to our place to assess our security needs - had a great site visit and Kent executed the project seamlessly. Highly recommend Alliance Security Niagara and their team! Be safe everyone.
Rb Admin
Oct 02, 2018 Report
Great service. We (Salem Chapel, BME Church, NHS St. Catharines) have been client's since 1996 and have never had an issue. We recently upgraded our security system to include camera's and we were provided with excellent customer service as always. We highly recommend Alliance Security.
Grace Foster
Sep 01, 2018 Report
Alliance Security has provided alarm systems to both myself and my parents, a relationship that has been going for almost 20 years. Every encounter we have had over the years is professional and efficient.