Quicksafe.co.uk have supplied security systems to customers ranging for domestic home owners, professional security installers, businesses and government institutions. Based in Brighton, the company's clients include the UK ministry of Defense, British Aero Space, The Royal Marines, local health boards and major UK businesses. Quicksafe.co.uk specialise in Wireless GSM (Mobile phone compatible) and GPS security systems.

R.J. Coleman provides installation of intruder alarm and security lighting, and maintenance of burglar alarm. The company operate out of their head office in Scunthorpe on major construction programmes across the UK. R.J. Coleman client base in varies including commercial factories, shops, agricultural, public houses, nightclubs, local government and domestic clients.

Radio Physics has spent several years inventing and augmenting millimetre wave radar technology to effectively and accurately detect concealed threats at distances up to 30 metres. In doing so, Radio Physics has become the world leader in standoff concealed threat detection, reliably detecting PBIED's (bomb vests), Assault Rifles, Machine Pistols and large bladed weapons.

Radiocoms Systems Ltd offer their customers a total communication system: specialist teams that combine a wealth of engineering knowledge and unwavering support to deliver a powerful tool that addresses varied businesses challenges, boosts efficiency and enhances the overall safety practices.

Formed in 2004, Radius Security Systems Ltd is a North West security expert and provider of door supervision and event security. Radius Security Systems Ltd covers a wide range of areas throughout the North West and Yorkshire. Radius Security Ltd holds SIA approved contractor status for the provision of Door Supervision. Radius Security Systems operates mainly in the commercial, industrial and public sectors of London and the South East.

Since 1985, Raysil Security Systems Limited has been designing and installing integrated security systems to the highest industry standards, collecting certifications - NSI, LPS 1014, ISO 9001-2000 and approvals - police authorities, home office, major insurers - along the way.

Red Maple Technologies was founded with one goal in mind: to help organisations demystify all aspects of cybersecurity.

Reliance High-Tech Ltd. specialises in the provision of fully integrated electronic security solutions, closed circuit television surveillance (CCTV) and access control systems. Reliance High-Tech offers a comprehensive range of services, based on cutting-edge technology, for the commercial, industrial and public sectors.

Remsdaq specialises in the design of world-class solutions to serve three principal markets on a global scale; SCADA, Integrated Security and Mobilising. In the UK, Remsdaq offers a full turnkey service and internationally and operates through an approved network of Value Added Resellers that allow Remsdaq’s products to be supported and promoted locally. Its client base includes finance, commerce, military, government, & electric utilities.

RevBits was started to improve the cyber defense options available to organizations of all sizes.

RFM Technical Services (UK) Ltd install, commission, and service all the sccess control, CCTV, door entry, gates & barriers, security alarm, fire alarm systems. Based in UK, the company also configure remote connections for things like CCTV, access control. and also remote diagnostic for these items and also for PC and server functions.

RFS Fire and Security design, install, and service high quality electronic Fire and Intruder Security Alarm Systems to Domestic and Commercial Clients. They also specialise in Access Control and CCTV equipment.

RJ Pro-Vue Ltd was established in 2007 as an electrical and integrated solutions specialist covering all aspects of design, supply, installation, commissioning, and maintenance of electrical and electronic systems. RJ Pro-Vue Ltd is based in West London and has an established client base both locally and throughout Europe.

Rossells are a security focussed company comprising of the following teams: Master Locksmiths, Safe & vault Engineers, Electronic Security Specialists (access Control & intruder systems) and a dedicated Master Suiting Department. Rossells electronics team have carried out customised installations of keypads, fob readers, intercoms and detection systems for over 20 years.

Rukey Solutions is a London-based systems integrator. The company provides security products and services such as access control, burglar alarms, CCTV, door entry systems, fire alarms, home automation, IP cameras, monitoring services, maintenance, repair, etc.

With a wealth of experience in the design, installation and servicing of CCTV, access control and intruder alarms, Rutledge Integrated Systems (RIS) is an innovative solutions provider to companies with the need for integrated security systems, which comply with the latest NSI regulations.

SASecure is a subsidiary of PCF - A supplier of exceptional quality and service in merchandise protection systems.

SafeStone Technologies Inc provides comprehensive solutions in IBM i security to blue-chip and mid-market customers worldwide. Based in Minnesota, the company's network traffic controller is a powerful exit point management and reporting tool that monitors and controls how remote access requests are processed on IBM.

Safetech Systems Ltd. specialises in fire, sound and security systems for domestic and commercial purposes all under one roof. The company customer base covers applications from basic domestic systems through to retail, construction, commerce, government and military installations. Based in UK, Safetech designs installs, commissions, and maintains security systems.

SAS Security installs CCTV Cameras and Alarm Systems across the North West of England, covering Preston, Chorley, Blackpool and Lytham St. Annes. SAS Security was established with the key goal of providing industry major technologies, along with the customer service that clients expect and deserve! SAS CCTV Security provide and install the latest Burglar Alarms, CCTV Cameras & Access control to businesses and homes.

Scott James Security Design provides tailored specialist design and procedural advice to the security industry itself, further reinforcing its industry reputation and credentials.

Based in Norfolk, Secure Cam Solutions ltd specialises in the design, installation and maintenance of the best bespoke security systems for the commercial and domestic market in Norfolk, Suffolk and Cambridgeshire.