Rainbow provides a range of IP and analog security solutions.

Incorporated in 1977, Rainbow Security Systems is part of Rainbow Electrical & Security Systems Ltd. Based in Northampton, England, Rainbow Security Systems specialises in the installation and maintenance of intruder alarms systems to domestic dwellings. Its clientele includes the premier national house builders David Wilson Homes, Westbury Homes, Persimmon Homes, Charles Church Homes and King of Oak Homes.

RAM are one of the UK's largest and leading suppliers of telescopic posts, security bollards and security barriers. Availavbe nationwide, all RAM products are high quality engineered products, designed to be durable, effective and long-lasting. The range of RAM's client base is a diverse as the need for security barriers from construction sites to shopping centres and car parks.

Rampart Security Ltd are installers of Security Systems to British Standard 4737 ISO 9000 and NACOSS. Rampart Security is an established business with over 12 years experience in the security industry. With extensive expertise and knowledge, the company designs, installs, and maintains, a comprehensive range of security systems to suit customer needs.

Ramtech is the UK’s renowned wireless systems technology specialist, delivering innovative safety and security solutions for leisure and industrial applications. Their cutting-edge systems are engineered to deliver the highest standards of legislative compliance while meeting the unique safety challenges of complex environmental conditions from rail depots to banks, power stations to construction sites.

Rapide Security & Surveillance Ltd. is the Midlands leading installer of commercial security systems, house alarms, automatic and manual fire alarms, closed circuit television systems, door access control, as well as fully integrated solutions including personnel attack and hold up alarms. Rapide Security & Surveillance is a NSI “Gold” approved installer of security systems and is also certified to the international quality standard ISO 9001.

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.

Realtime Security UK Ltd. is a security and investigations company located in Stevenage, Hertfordshire, United Kingdom. Established in 2007, Realtime decided to put its knowledge and industry know-how into sourcing and selling easy to install CCTV equipment for the home and business.

Established in 1993, Red Alert provides solution to the ever increasing threat to security in the home, offices, farms and other industries. The company offers various security products, such as intruder alarms, fire extinguishers, gate automation, fire alarms, safes for home security.

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

Security and electrical installers, over 40 yrs experience in the industry, competitive rates, landlord inspections, upgrades and remedial works undertaken, fire alarm service and repair.

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.

Based in Middlesbrough, Render Alarms Ltd have been installing and maintaining security, fire and CCTV systems for over 30 years, covering the North East of England. The company provides services for commercial, industrial, public sector and residential customers.

Reset Certification Scheme is a competence-verification scheme that saves time and resources in the process of admitting third-party contractors onto any site, ensuring compliance with HSE and CDM obligations. Reset is the quick and simple way to provide proof that employees are fully competent and qualified to work on site, in compliance with HSE and CDM regulations.

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

Richards was formed some 30 years ago, during which time they have steadily grown to become one of the leading independent specialist companies regarding CCTV . Richards CCTV design, supply, install and commission systems to exact customer requirements. They also provide mobile on-site engineers available on call-out 24hrs a day.

Established in 2005, specifically to provide road network management solutions to local government, Ringway Jacobs unique blend of engineering capability, innovative ICT systems and customer care ensures state-of-the-art integrated systems delivered for a wide range of projects.

Ringwood Fire and Security supplies and installs the latest, innovative electronic fire and security systems to corporate, commercial, maritime, domestic and private clients and offer a bespoke and tailored solution for every individual need.

Risk Crew are an elite group of information security governance, risk & compliance experts, and forerunners in the design & delivery of innovative & effective solutions. They provide Governance, Risk & Compliance Services, Security Testing, Supply Chain Information Risk Management, Security Awareness Training, APT Testing, Red Team Testing, Information Security Threat & Risk Assessments, Information Security Management Systems & Cyber Security.

Rizikon Assurance helps organizations take control of third party risk with secure online assessments in your own branded portal, 360 risk scorecards, a Dashboard of the risk across all suppliers and a host of other features and standard questionnaires. The built-in Standard Assessments on topics like cyber security, GDPR, modern slavery, anti-bribery & corruption can be combined with tried and tested question sets.

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.

Roadside Technologies Ltd are an industry pioneer in the supply of Variable Message Signs and Speed Reduction Equipment for the UK Highways Industry, Community Speed Watch Groups and Private Sites. With a combined 40 years knowledge within the Highways and hire industry, they work closely with clients and strategic industry delivery partners to provide cost effective and innovative solutions for clients.

Roller Doors Ltd, is one of the UK's largest roller garage door suppliers. Their doors fit behind the brickwork opening of the garage and also come with dual locking bars. In addition to this, all their doors come fitted with an aluminum bottom rail which is specifically designed to secure the entrance against intrusion.