Bell System (Telephones) Limited is the UK manufacturer of door entry systems, door entry telephones, access control systems and door entry video telephones.

Evidence Talks provides expert digital forensic systems and advice to law enforcement, security services, and corporate around the world. The company is dedicated to fight cyber crime and has built a team of security cleared forensic analysts, trainers, digital artists, and software developers to create a suite of innovative forensic technologies, training and tools, together with output of CGI movies and associated graphics.

Opem Security is a pioneer, London based, security systems provider. They specialise in delivering the design installation, monitoring, and maintenance for CCTV and access control, as well as an offering out-of-hours concierge support and facilities management.

Tatry Group provides Cleaning and Security services to help organisations create a productive and welcoming environment. They currently have more than 120 front-line staff and a highly experienced management team with in-depth knowledge of the cleaning and security service industries.

Tensator offers electronic call forward systems, in-queue merchandising and virtual queueing technology; digital media platforms including the Tensator Virtual Assistant; self-service systems; Tensabarriers; Post and Rope or access control solutions. Tensator boasts a broad range of clients including: blue chip retailers; international airport terminals; transport providers; financial institutions; major exhibition centres.