Gradiant provides a key role in the generation and transfer of ICT knowledge, through professionalism and excellence in R&D. Specifically for the security industry, Biometrics by Gradiant is a subsection of Gradiant, specialising in biometric security and signature protection.

Grantech, s.r.o. since its inception in 1992, provides installers, investors, developers and security services the full range of security and industrial television equipment, sound reinforcement systems, evacuation public address system, electronic fire alarm and audio/video gatekeepers of the world's leading manufacturers.

Grantfen is one of the UK’s leading electronic fire & security systems integrators with a reputation for providing the definitive solution for all life safety and security needs. The company offers bespoke systems such as CCTV, access control, intruder alarm, fire safety, public address, etc. using advanced technologies available from a variety of specialist manufacturers. All systems are designed, installed & commissioned to exacting standards.

Green Gate Acccess Systems supplies and installs well-engineered security and traffic control solutions from top European manufacturers, to approved safety standards. From simple automated car park barriers and automatic bollards to the most advanced and secure systems for schools, public buildings and retail centres, we offer safe, secure and cost effective automated security solutions.

GreenPeak is a leader in RF communication technology for wireless connected home applications, offering innovative ultra-low power wireless data communication controller chips for smart home applications for remote controls, energy efficiency, lighting, heating and HVAC, access control and security, in short, a wide range of smart home applications.

Gretsch­-Unitas Group con­sists of more than 50 manu­factu­ring and sales compa­nies in 35 coun­tries. With the inter­na­tio­nally leading brands GU (architectural hard­ware), BKS (locks, locking sys­tems) and FERCO (architectural hard­ware), the group offers "Secu­ring Tech­no­logy". The company is one of the leading suppliers of window and door tech­no­logy, automatic entrance sys­tems and building manage­ment sys­tems.

Group TCl is a privately-owned designer and installer of integrated security solutions, including Consultancy, VIP protection, access control, video, locking. The company also supplies physical security installations including barriers, turnstiles, gates and monitored fencing systems. Group TCL supports a number of major customers in Europe and the Middle East.

Gruppo IPL is a security systems provider in Italy. The company’s product range includes intrusion detection, video surveillance, access control, fire detection systems and integrated systems etc.

GSG International was established in Milano in 1997. Today, GSG International is one of the leading CCTV companies in the Italian market and is recognised as a dynamic and innovative company, at the leading edge of security technology.

GSM Secure Distribution Ltd was found in 2006. GSM Secure Distribution Ltd supplies GSM solutions and innovative products to companies and end users. Based in the UK seeking distributors and resellers of products worldwide. The company's products have been sold well in North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe.

Based in Germany, GST Society of Safety Engineering mbH combine products from different manufacturers to adequate holistic solutions for fire alarm systems, gas extinguishing systems, access control systems, burglar alarm systems, PSIM, video surveillance systems, and electronic locking systems etc. As a system integrator, the company helps provides wide range of options just right and then optimally tailor the system according to the needs.

GVS has 24 years of manufacturing experience in the video doorphone industry, and 16 years for KNX automation products, With their own factory and SMT lines, currently has 510+ staff, is a list company as well, and they mainly faced to overseas market, have rich OEM/ODM experience with some global brands, implement ISO standards, established professional comprehensive laboratory following CNAS standard.

Guardian Security & Fire Ltd has been installing alarm, access control and CCTV systems in Kent since 1987. NACOSS Approved.

Guardian Security SW Ltd provides professional security solutions across the South West and the UK from head office in Exeter, Devon. The company specialises in Salto access control, CCTV, architectural ironmongery, fire alarms, emergency lighting, safes and safe moving, fire extinguishers, gate & barrier automation, security roller shutters, keys, key cutting & master key suites & locks, locksmiths, emergency lighting, and ANPR.

Guardian24 is a UK-based organisation which has specialised in delivering complete solutions and services to the ‘lone worker’ market since 2005, and they provide a number of services including training, assistance with policy and a unique personal security service which allows lone workers to log their whereabouts, daily tasks and raise an alert when in time of need, should their safety be compromised.

Guardright supplies comprehensive, professional and accountable security services. The company provides an extensive range of high quality security guard services such as mobile patrols, keyholding and alarm response services, manned guarding, industrial security guards and event stewarding.

Gunnebo addresses the demand for secure, efficient and reliable systems. The broad range encompasses innovative solutions for cash handling, electronic security and physical security. It offers certified vaults and safes, mechanical and electronic safe deposit lockers, automated safe deposit lockers, security doors, interlocking doors and security airlocks.

Halifax Security has been making Yorkshire a safer place for over a quarter of a century, installing cutting-edge security technology and providing superior customer service in and around Halifax, Sowerby Bridge and the Calderdale area.

As an internationally active all-round supplier of control, energy and safety technology, electrical engineering, IT structures and communication technology, Hansa Projekt realises complex projects for its customers. The services and areas of expertise include video surveillance, access controls, fire alarm systems, intercom systems, protection against break-ins, etc.

Harris & Sandford Security specialise in the installation of effective home and commercial intruder alarms, closed circuit television, access control, fire alarms, personal emergency systems and much more. Located in Kent, the company's main objective has been to install and maintain high quality security installations. Harris & Sandford Security systems comply with the very latest European standards.

Founded in 1982, Harrison Locks offers alarm, access control and master key systems. Harrison Locks supply and fit a range of Codelocks Paxton keypads and keyfob systems. The company's access system is Corkey, which is a global access system and Harrison Locks are one of Corkey’s main 4 UK dealers

HB Litherland are UK wholesale & trade electronics suppliers and distributors based in Blackpool, supplying AV, CCTV, Pro Audio & PA, & LED, LCD.

Established in 2011, HD Integrated Systems is based Sutton, Surrey. The company offers clients comprehensive electronic security solutions incorporating state-of-the-art CCTV, access control, intruder and perimeter Detection systems.

Heliguy is a drone company based in UK that provides a one-stop-shop for commercial operators across a range of industry verticals, including public safety, mining, agriculture, construction, inspections and media.