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 organizations 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. We also offer repair and maintenance services for new and existing systems. Serving all of Welwyn, Hertfordshire and London.

With over 25 years of experience in the security industry, users can trust AC Secure to protect their homes, family, and business. It set them apart with unwavering integrity and a strict code of ethics. It is fully accredited by the SSAIB so users can be confident in the quality of service they provide.

ACA Security specializes 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 Fire And Security North West offers systems for security, CCTV, access control, fire and gate entry. It uses the latest technology in intruder, fire, CCTV and access systems.

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.

Acctiv8 supply the most flexible & reliable wireless burglar alarm security and safety system on the market. Acctiv8 Wireless Burglar alarms are unique because they not only protect your valuables from intruders but also act as a remotely monitored safety system.

Access Control Security serves the security needs of the South of England. ACS specialises in the fault finding and repair and also supply, installation and maintenance of all types of Door Entry Systems - Access Control Systems, Alarm Systems, wireless home alarm systems and CCTV security cameras and intercoms in London, Kent and the surrounding areas.

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.

Advance Security Solutions helps secure premises by installing bespoke security systems, which range from premium CCTV systems, intruder alarms and long lasting electric gates. Advance Security Solutions offers security solutions for domestic as well as commercial clients.

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.

Advanced Perimeter Systems Limited is a world leading designer and manufacturer of perimeter security systems. The company has been providing state-of-the-art security systems, including perimeter security, perimeter intrusion detection (PIDS) and intruder deterrent solutions for industrial and commercial applications globally over a period of more than 20 years.