Welcome to A D Security Systems

Some information about us:

A D Security Systems designs, installs and maintains a comprehensive range of systems.

We provide the following:

  • Intruder Alarm Systems
  • CCTV
  • Access Control
  • Door Entry
  • Fire Alarm
  • Detection / Security Lighting



Every solution we install is chosen to meet your specific needs and priorities for both residential and commercial properties.

We are based in Essex but our commercial alarm systems can be installed in other areas within the South East, East Anglia and London.

Our in-house team respond quickly and efficiently providing 24hour, 365 days a year support.

Latest Tweets

Finished a project at 6 flats today. Intruder alarms, CCTV, video intercom and access control all complete and working. What a beautiful day ☀️ #brentwood #shenfield #essex #security #intruder #cctv #giveusacall @ Shenfield — in Shenfield, United... facebook.com/17976898264189…

About 3 weeks ago from A D Security Systems's Twitter via Facebook

Why not get in touch today for a free quote? One of your engineers will be in touch with you asap and we can start choosing the right security system for you.