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.

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.

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.

ACTAS A / S provides security to companies and government institutions with extensive professional expertise in the security industry.

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.

Aicuda AI Vision Platform orchestrates multiple AI video analytics engines to provide higher accuracy and lower total costs across the industry’s broadest array of video analytics. Aicuda solutions are deployed by government organizations, airport and maritime authorities, defense departments, schools and campuses, manufacturing and healthcare facilities and other critical infrastructure organizations across the globe.

Airbus DS Electronics and Border Security (EBS) is a subsidiary of Airbus Defence and Space. As a world leading provider of premium electronics in the areas of protection, surveillance and situational awareness, it is the global no. 1 in missile warning systems, a leading provider of border surveillance equipment and the German sensor house with a major position in the radar, optronics, and electronic warfare markets.

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.

As a leading private security company, ALGIZ Services has expertise in close personal protection, residential protection, maritime security, transport & logistics security, tracking services, security consulting, etc. The company serves wide variety of clients. ALGIZ Surveillance and Control Centre provides 24/7 services such as panic or emergency alarm buttons, camera observation & site monitoring, etc.

AMC Security Systems specialise in physical and perimeter security.

ANPI (National association against fire and theft) is a non-profit organisation founded as an initiative of the Belgian insurance companies. Their activities include: Inspections, Laboratories, Certification, Normalisation & Information. All professional associations and associations of industry interested in the fields of fire and theft prevention are members of ANPI. Public authorities are also represented within ANPI.

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.

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.

ARATOS Group, founded in 2003, continuously provides an increasing range of added-value products, services and solutions in the areas of Space and Satellite, Information and Communications Technology and Homeland Security with a clear vision on providing best quality upon research and commercial developments.

AUDITEL is an engineering and solutions integration company with a wide range of experience in design, projects, installations and maintenance for audiovisual solutions, security, telecommunications, electricity, energy, air conditioning and mechanical installations.

AVESTECH was founded in 2013 with the aim of bringing modern and innovative technologies to the global market, taking into account current trends. Their beginnings were challenging and they had to convince their clients of a change in thinking in the field of security and the need to change common and outdated approaches and solutions. Nevertheless, they are known worldwide today and their services are used globally.

AxxonSoft is a leading software developer that combines IP-based physical security management, intelligent video surveillance, and an enterprise-wide platform into fully integrated vertical and horizontal solutions. AxxonSoft has over 20 offices throughout the world and partners with more than 2,000 security and video surveillance system installation and integration companies.

Bayline is a leader on the delivery of integrated secutiy systems for the domestic, commercial and public sector markets. Incorporating security systems across access control, video surveillance, intruder detection and network products and services, as well as physical security processes such as custom made steel security doors, grills and gates means we can provide and maintain a total security solution for your premises.

BDi encompasses the three group companies, BDi CCTV Limited, BDi Contract Services Limited and BDi Commercial Services Limited.The Company provides high quality security to their clients, whether it is CCTV installation, maintenance or monitoring, access control, security guarding services, event management or trespass management. They provide site services in gritting, maintenance and electrical.

Better Security Guarding Ltd provide sia trained and licensed security guards and professional security services throughout the united kingdom.

The Aim of Blue Diamond Security Solutions is to provide a competitively priced, all round bespoke security solution, providing an appropriate response to existing risks and threats whilst being fully tailored to their client's requirements.

Bluegrain Ltd is a Manchester based security service provider, offering everything from manned security personnel, to 24h CCTV monitoring services. They have been providing a pro-active, professional mobile rapid alarm response service to its client base for over 25 years, operating 24 hours a day and 365 days a year. They focus on providing a complete residential and business security service.