Browse the Top 5 Security Systems & Service Providers in Markham, ON

ACP Lock & Security provides expert residential, commercial, and emergency locksmith services in Toronto and the GTA. With over 30 years of experience, we specialize in high-security locks, electronic systems, automatic door openers, and 24/7 emergency assistance. Our licensed technicians use advanced technology to deliver reliable, customized security solutions for homes and businesses of all sizes.

SEQ Security & Surveillance delivers advanced security systems including CCTV, access control, and video analytics for businesses and homes across Canada. Our intelligent surveillance solutions combine enterprise-grade technology with actionable business intelligence to enhance security and operational efficiency. With 12 years of industry expertise and 24/7 support, we provide tailored security strategies for commercial, industrial, and residential clients.

Sigma Fire & Security provides fire safety and security solutions including fire alarm systems, sprinkler installations, and security design for diverse properties. Since 1998, we've delivered inspection, maintenance, and emergency services across GTA and Southern Ontario, serving 500+ properties with ULC-certified systems.

Security Pass is a Canadian-owned and operated security solutions provider established in 2001. We specialize in residential and commercial security systems including alarms, cameras, access control, and GPS tracking. Our technology-driven approach combines ease of use with advanced functionality to protect properties and provide peace of mind.

A S G Security Group provides comprehensive security solutions for condominiums, construction sites, commercial properties, and special events. Established in 2002, we combine 24/7 service with advanced technology and strategic staffing to deliver customized protection. Our team's expertise in risk mitigation and client-focused approach ensures reliable security for properties and personnel.