Browse the Top 9 Security System Providers Serving Colorado

See what 9 security system providers serving Colorado, including Denver, Aurora and Colorado Springs, offer for new installations and existing system upgrades. Read customer feedback, explore business profiles and contact companies that match your security requirements.
Security Surveillance System
20 Years
Emergency
Open 24/7
25 reviews
Security Surveillance System
20 Years
Emergency
Open 24/7
25 reviews
We offer 18 years of local security expertise in Colorado
Protect your Colorado property with Security Surveillance System's expert-designed security solutions including access control, 4K video surveillance, and burglar alarms. Established in 2006, serving Aurora, Denver, and surrounding areas with reliable 24/
Access Control Video Surveillance Burglar Alarms
13 reviews
Aragon Lock and Key
19 Years
Emergency
13 reviews
We offer 24/7 emergency locksmith services for urgent needs.
R.S Locksmith Denver offers reliable residential, commercial, and automotive locksmith services in Aurora, CO. Emergency services available 24/7. Call 720-352-5613 for fast, transparent solutions.
Residential Locksmith Commercial Locksmith Automotive Locksmith
6 reviews
First Class Security Systems
43 Years
Emergency
6 reviews
We offer 40+ years of Northern Colorado security expertise
First Class Security Systems offers fire alarms, surveillance cameras, and access control in Northern Colorado. Family-owned since 1983 with 24/7 monitoring and A+ BBB-rated service.
Commercial Fire Alarms Surveillance Cameras Access Control
6 reviews
Accent Alarms
19 Years
6 reviews
We have over 30 years of experience in electronic security systems per owner.
Accent Alarms offers commercial security systems, automated gates, and access control in Lakewood, CO. With 60+ combined years of experience, we deliver reliable, end-to-end security solutions.
Security Cameras Access Control Automatic Gates
Mathias Lock & Key
50+ Years
Emergency
7 reviews
Mathias Lock & Key
50+ Years
Emergency
7 reviews
Family-owned since 1901 with four generations of security expertise
Trusted security solutions provider since 1901. Mathias Lock & Key Lock & Key offers access control, alarm systems, camera security, and 24/7 emergency services in Denver and across Colorado.
Access Control Alarm Systems Camera Security
We offer 24/7 professional monitoring services for continuous protection
Protect your home or business with American Security Pro's expert security solutions in Denver, Aurora, and Littleton, CO. We offer 24/7 monitored alarm systems, CCTV installation, and smart home automation tailored to your specific security needs.
Alarm Monitoring CCTV Installation Security Camera Installation
We bring over twenty-five years of industry experience.
We provide comprehensive design, installation, and service for fire alarm, access control, and video surveillance systems across Colorado.
Fire Alarm Systems Access Control Systems Video Surveillance
Not rated yet
Tri-State Alarm
Emergency
Not rated yet
We provide 24/7 professional monitoring with immediate emergency response coordination
Professional security monitoring services for homes and businesses in Missouri and Kansas. 24/7 emergency response, smart home integration, and advanced intrusion detection systems.
Security Monitoring Mobile App Control Video Monitoring