Find the 5 Best Security Companies in Maine

Browse 5 security companies serving Maine, including Biddeford, Clinton and Falmouth, for home and commercial protection. Review guarding, patrol and security system services, read customer feedback and contact local providers for estimates.
Cayer Security
29 Years
Emergency
Not rated yet
Cayer Security
29 Years
Emergency
Not rated yet
We offer 25+ years of security system expertise
Trusted Maine security provider with 25+ years of experience offering alarm systems, video surveillance, and 24/7 monitoring for banks, businesses, and homes. Locally owned with UL-listed monitoring partners.
Financial Security Commercial Alarms Residential Systems
Not rated yet
Cunningham Security
43 Years
Emergency
Not rated yet
Over 40 years of combined experience in security and fire systems
Cunningham Security provides top-tier security systems, fire alarms, and monitoring services in Maine. Trusted by homeowners and businesses for over 40 years with 24/7 support and certified technicians.
Residential Security Systems Commercial Fire Alarms Camera Surveillance
We have over 30 years of experience in enterprise security solutions.
Minuteman Security Technologies Inc Security & Life Safety delivers advanced security systems across the U.S. East Coast. With 30+ years of expertise, we design integrated solutions for video surveillance, access control, and emergency communication.
Video Surveillance Access Control Intercom Systems
We provide 24/7 emergency fire and security services with immediate response.
Maine Fire & Security offers fire alarms, security systems, and 24/7 monitoring services across Maine. Partnering with Encore Fire Protection, we deliver reliable life safety solutions with transparent pricing and local expertise.
Fire Alarms Security Systems 24/7 Monitoring
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Maine State Security
36 Years
Emergency
Not rated yet
Family-owned since 1990 with hands-on owner involvement
Maine State Security provides residential and commercial security systems, fire alarms, and 24/7 monitoring services in Westbrook, ME since 1990.
Fire Alarms Burglar Alarms Camera Surveillance