Founded in 2009 by engineers with a passion for engineering excellence. As an engineering team we have over 100 years of in house expert industry experiences, we are second to none when it comes to delivering value added safety and security solutions. Our customers are primarily large organisations of many kinds including Education, Construction, Manufacturing and large scale Residential to name but a few. We pride ourselves on providing highly trained engineers and managers with the relevant knowledge to deliver results. Our in house expertise covers all key electronic security disciplines:

  • CCTV – NSI Gold Standard
  • Access Control – NSI Gold Standard
  • Intercoms – Conventional and Voice over IP
  • Intruder Alarms – APCO approved
  • Security Doors
  • Automatic Gates – DHS registered

We have also fully adopted internet protocol (IP) solutions such as high definition CCTV systems, networked access control systems with biometric readers, vehicle number plate recognition technology and wireless alarm systems. Whatever the situation or application, all our systems are designed to complement your business operations. We will ensure that your security investment adds value to your business and will work hand-in-hand with your existing broadband and static IT infra structure.

Company History and Milestones

  • 2009 – Founded Cornerstone Security Systems Limited
  • 2011 – Awarded NSI Silver standard for security system ~ Design, Installation and Support
  • 2012 – Awarded Safe contractor accreditation
  • 2012 – Appointed Simon Flack as Technical Director
  • 2013 – Joined the Construction line register
  • 2013 – Awarded NSI Gold standard for security systems ~ Design, Installation and Support
  • 2013 – Appointed Bradly Horn as Commercial Director
  • 2014 – Purchased majority share holding in Gresham Fire and Security (BAFE Accredited), Based in the City of London
  • 2014 – Appointed Steve Neville OBE as Director
  • 2014 – Joined Door and Hardware register
  • 2014 – Launched Tristan Specialised Doors, Based in Bedfordshire
  • 2015 – Purchased a share holding in Triangle Integrated Fire (BAFE Accredited), Based in Canterbury
Cornerstone Security Group Company Brochure

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“Safety and Security Solutions designed and delivered by Engineers”

Innovative Ideas

Advanced Technology


Clear Communication

Timely Support