Find the 4 Best Security Systems & Service Providers in Markham, ON

Sigma Fire & Security offers comprehensive fire safety and security solutions, including system design, installation, inspection, and maintenance for diverse properties. Serving the GTA and Southern Ontario since 1998, we combine technical expertise with ULC-listed services and 24/7 emergency response to ensure compliance and safety. Our turnkey approach addresses all client needs under one roof, emphasizing integrity, professionalism, and cost-effectiveness.

A S G Security Group provides comprehensive 24/7 security solutions across Canada, specializing in condominium, construction, commercial, and event security. Our customized services combine experienced personnel with innovative technology for real-time monitoring and risk mitigation. With a client-focused approach since 2002, we deliver tailored security strategies that prioritize safety, reliability, and operational excellence.

Security Pass delivers customized security solutions for homes and businesses across Ontario. We specialize in alarm systems, surveillance cameras, access control, and smart home integration using technology from industry leaders. With over two decades of combined experience, our team provides reliable protection and 24/7 monitoring to ensure client safety and peace of mind.

SEQ Security & Surveillance provides comprehensive security solutions including HD CCTV systems, access control, and AI-powered video analytics. Our Toronto-based team specializes in commercial security system integration, offering facial recognition, license plate capture, and real-time monitoring services. With 12+ years of experience serving businesses nationwide, we deliver scalable, future-proof security technologies that protect assets while enhancing operational efficiency.