Based in Doncaster, 1st Security provides SIA Approved provides security services to meet a wide range of facilities needs, from the management of reception services and night patrols to static gatehouse services, event stewards/door supervisors, store detectives, CCTV monitoring and mobile security patrols services.

999 South Group Ltd serves as a competent and reliable partner. Their renowned service delivery and a willingness to meet customer expectations to a high standard is a mantra both understood and delivered by the company's staff. They deliver security systems, fire appliances and personnel for enterprises and events.

A1 Security Protection are a major commercial security solutions provider, based in West Sussex, UK and provide high quality, innovative security solutions for business and organisations across the Southeast. Their services are tailored around clients' specific needs and designed to ensure buildings and premises will be safe and secure from unwanted intruders. They supply, install and maintain a huge choice of security systems.

Based in Welwyn Garden City and specialists in intruder and CCTV systems, as well as offering all other building services. All their installations are covered by a 12-month guarantee for labour and parts and are fitted by friendly and professional tradesmen. They also offer repair and maintenance services for new and existing systems. Serving all of Welwyn, Hertfordshire and London.

ACA Security specialises in all types of security solutions such as intruder alarms, fire alarms, CCTV, door entry systems, access control systems, automated gates and integrated systems for domestic, commercial and public sector properties throughout West & South West London, Middlesex and Surrey.

ACC Security is dedicated to the design, installation, service and maintenance of physical and electronic commercial security systems. The company offers CCTV, access control, intruder alarm, fire safety systems, intercom systems, home security etc. services. ACC Security is a partner of Avigilon.

Access-Ability UK Ltd was founded in 1999 by the current MD Rick Allan and Mark Walker, who at the time, was employed by PAC International. The strong connection with PAC was the catalyst for creating a company to design, install and maintain high end access control systems. Access-Ability UK Ltd have the necessary depth of experience and skills, to establish effective security installations for all types of business.

Ad Hoc Property Management offers property security solutions to European market leaders. The company protects vacant properties using the Property Guardian model, ensuring such properties are not left to become derelict. Ad Hoc offers solutions for threats such as squatting and asset stripping through socially responsible property protection.

AD Porta are a dedicated railway security specialist. They are currently providing security to major rail projects in the London area as well as trackside security during upgrade and enabling works.

Based in Chiswick, Advanced Laser Imaging is a world leader in use of advanced laser scanning and photogrammetry techniques to create accurate, immersive, 3D environments with wide range of policing, criminal justice, security, military and asset management applications. Advanced Laser Imaging introduced new applications for laser scanning that helped provide effective security planning and support for events and incidents in the UK and abroad.

Advanced Overwatch are one of Northern Ireland's leading CCTV System, Burglar Alarm and Security System installation companies offering the latest in security technology, installed by expert engineers.

Based from the head office in Gateshead, Advantex Network Solutions are the provider in Mitel, IT Solutions, Networking, and iP surveillance in the North East. Established in 2002, Advantex has evolved with the speed and change of technology; growing from a small cabling company with 5 employees to become the North East's IT, Communication & Security solutions provider employing over 60 local employees.

Aegis Group is a total Security and Facilities management company. At Aegis Group they offer a full range of security and facilities management services, from basics like Manned Security Guarding, cleaning, to high-end specialist services like Asbestos Removal and disposal.

AirVu provides safe, cost-effective solutions for a wide range of security sectors. Enhanced control with 24/7 automated sky patrols, reactive quick-launch aircrafts and much more. AirVu also collects life-saving data, quickly and safely to aid in disaster response. They also provide fire safety by safely obtaining a faster, more accurate analysis of every situation.

Alford Technologies provide innovative Counter-Improvised Explosive Device (C-IED), Conventional Munitions Disposal (CMD), Breaching and Explosive Demolition tools and training to Defence, Security, Police and Corporate customers worldwide.

Alink Fire & Security are one of the leading independent security installers in Edinburgh & Lothian’s. The company offers a wide range of signalling options i.e. Digital Diallers, Redcare, Dual Com and many more. Our systems are installed to SSAIB (Security Systems and Inspection Board) standards which are recognised by ACPO (Association of Chief Police Officers).

Amadeus’ solutions connect travelers to the journeys they want, linking them via travel agents, search engines, and tour operators to airlines, airports, hotels, cars, and railways. Technology has always been critical to developing global travel, increasing scale, choice, and access. They have developed our technology in partnership with the travel industry for 30 years.

AMC Security Systems specialise in physical and perimeter security.

Anekanta Consulting is an AI innovation and strategic advisory company, working with international defence and security stakeholders. They navigate the complex legislative landscape, including the EU Artificial Intelligence Act and GDPR requirements for the use of video across horizontal industrial applications. They also lead and influence the ethical and legal use of controversial AI technologies such as automated facial recognition software.

Antron Security Ltd is a reputable security specialist who has been providing expert security solutions to organisations since 1990. They are suppliers and installers of quality digital CCTV and remote monitoring security products in London and the Home counties.

Antron Security Ltd, an established, trusted security systems specialist and NSI accredited, providing expert security solutions to organisations since 1988. Antron prides itself on quality, precision, and exceptional service. They work closely with their clients, offering bespoke solutions and meticulous consultation to meet their unique requirements. With a reputation for excellence, Antron Security continues to deliver exceptional service.

Apex Network Solutions Ltd has over 30 years of combined experience in delivering both high-end and innovative technologies within the Education sector. It aims to offer solutions that are specific yet flexible to clients’ needs, assisting them in delivering ICT across an ever-expanding curriculum.

Based in Central Cardiff, Apollo Alarms is an expert in providing quality installation services of products like intruder alarms, perimeter alarms, CCTV, access control, barriers and bollards, security lighting, fire alarms and automated gates etc. The company's client ranges from small domestic to government agencies & multinational companies. Apollo Alarms is equipped with SSAIB (ukas) list of approved installers.

Armour Communications Limited provides market-leading technology for secure communications solutions for voice, video, messaging and data on everyday smartphones, tablets, and Windows 10 desktops.

Armour Security Ltd. are UK-based trusted suppliers and installers of top quality electronic security products. The company specialises in installing and maintenance of CCTV, access control and intruder alarms, etc. Armour Security Ltd. is a NSI NACOSS GOLD approved installer and provides effective security solutions for homes and businesses.