A comprehensive list of Cambridge, MA based companies offering installation, maintenance and repair of home and business security systems, CCTV & burglar alarms and video surveillance services. 
At SimpliSafe Alarm Systems we provide wireless, cellular, DIY security systems across the US.
E. W. — So disappointed in the customer service we have received from this company. Don't believe the reviews about "best home
Named "Best Home Security overall" by US News & World Report, and awarded by Popular Mechanics and more. Our monitoring staff calls you when trouble is detected and stays with you until it's solved. Adding Video Verification to your monitoring plan lets us verify your alarm is real so police can dispatch faster.
E. W. — So disappointed in the customer service we have received from this company. Don't believe the reviews about "best home
24/7 Uniformed security guard company providing security services in the greater Boston and Metro area. Serving as a security provider to local Colleges and Universities, Executive Office Parks, large residential communities, Hi-tech Industries, Government and Military installations, Construction sites, and Special Events coverage, our extensively trained security personnel exceed the practices of