Pyreos is a manufacturer of miniature, rugged, pyroelectric, mid-infrared sensors and detectors which respond faster and minimise power consumption. They are one of the renowned suppliers of integrated digital ezPyro SMD pyroelectric sensor subsystems for gas, flame and analysis applications.

Quanergy is redefining physical security with real-time 3-D LiDAR solutions. Based in Silicon Valley, Quanergy’s revolutionary integrated LiDAR and perception software solution delivers intelligent proactive awareness for highly dynamic environments like critical infrastructure, smart cities, smart spaces and industrial automation. Quanergy’s mission is to ensure you see beyond current sensing limitations and experience the power of 3-D security

Quantitative Brokers (QB), an independent provider of advanced execution algorithms and data-driven analytics for global futures and interest rate markets. The company is built on a research-driven culture, market microstructure know-how, and algorithmic engineering expertise. QB continually develops and innovates an evolving suite of products to reduce implicit trading costs for its clients.

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.

Moog Sensor and Surveillance Systems’ Sector, a member in the Space and Defense Group, is comprised of four strategic acquisitions. The acquired companies were formally known as QuickSet International, Videolarm, Inc, Pieper GMBH and Knox Video. Moog designs and produces high-quality, scalable physical-security and process monitoring solutions for extreme environments in areas of asset protection, threat intervention & border protection.

The Quod Orbis Continuous Controls Monitoring (CCM) platform allows users to see and understand security, compliance, and risk posture in near real-time. Its managed platform offers continuous monitoring and reporting of control effectiveness, metric performance and compliance readiness.

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.

Racom Business will work as an extension of the team to manage the entire process of procuring and implementing business telecom and IT solutions. Racom Business will be the single point of contact for all IT and Telecom needs, including dedicated support at every step of the cycle.

Radiant Logic, the identity data experts, helps organisations turn identity data into a strategic asset that drives automated governance, enhanced security, and operational efficiency. RadiantOne Identity Data Platform removes complexity as a roadblock to identity-first strategies by creating an authoritative data source for real-time, context-aware controls.

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.

Radiotronics is a supplier of two-way radios and radio communications accessories.

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.

RAH Infotech is amongst the country’s top value-added distributors with an extensive portfolio of information management solutions. RAH Infotech looking for people who share the passion and possess the entrepreneurial spirit to take the organisation to the next level.

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.

RazorSecure are specialists in rail cyber security, providing solutions for rolling stock and signalling environments. RazorSecure software has been deployed in over 1600 rail vehicles and protected over 30 million rail passenger journeys.

RealNetworks invented the streaming media category and changed the way audio and video content is consumed across devices globally. Building on a legacy of digital media expertise and innovation, RealNetworks has created a new generation of products that employ best-in-class artificial intelligence and machine learning to enhance and secure people’s daily lives. They also provide real-time facial recognition, video codec and AI solutions.

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.

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.

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

Revector™ is a provider of mobile revenue, fraud and security investigations services, whose core focus is to recover lost revenue for mobile operators, by investigating, detecting, and eliminating fraud on their networks. Its recent acquisition allows Revector™ to design, build, install and maintain self-contained monitoring networks to help protect airports, all types of passenger terminals, and other recognised locations of high risk.