Scores based on 55 reviews

Reliability & timekeeping

Invoice history based on 41 reviews.

Invoice History
Charged as per quote / estimate100%
Appointments reported as missed (6 months) 0
Average score 10.00
55 reviews
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A D Security Systems Ltd is an Essex based company covering London and all surrounding area's.  Our engineers are experienced with domestic, commercial, public sector and high security bank alarm systems.  We have a wealth of experience across a wide range of security systems which include Alarms/CCTV/Door Entry systems/Gates/Barriers and shutters.

We install, maintain and repair all types of alarm and CCTV systems.  Providing our customers with options to suit each individuals needs is at the heart of our mindset. 

A D Security work closely with our alarm/CCTV representatives to deliver the latest technology in home security. With our new cloud based software we can monitor your alarms remotely, carry out system checks, update firmware or programming and remote reset facilities all with an instant response. 


AD Security are proud to be an accredited company with the SSAIB which are the regulatory body to ensure security companies offer the highest standards to their customers.


Based in

Brentwood, Essex

Works in

Brentwood, Grays, Romford, Rayleigh, Billericay, Essex