1GS Security Services provides a wide range of security services across the capital, the UK and around the world. With over 40 years' combined experience provides a range security services to a wide variety of clients in both the public and private sectors. 1GS Security Services include manned guarding, retail security, door supervision, corporate security, CCTV & alarm, among others.

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.

4Front Security Ltd offers security services and CCTV installation throughout Nottingham and the UK as well as a range of other wireless security systems.

4TRESS SERVICES LTD is a fully License bound, and insured private company, registered in the United Kingdom and a leader in providing high quality and effective service. The company believes in partnering with companies to enhance their security and cleaning needs. All their services are specifically designed around clients needs.

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.

With nearly two decades of highly rated service, AOS is one of the leading security companies in the UK. AOS recently achieved a score of 163 following the Security Industry Authority ACS audit, which places AOS in the top 1% of companies in the Approved Contractor Scheme for the second year running.

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.

Ace Security provides construction site security, protecting both people and property. Its security guards are trained to look out for potential dangers and ensure they are taken care of before someone hurts themselves. The security guards are available around the clock to protect building and construction sites at any time. Ace Security also offers security services for business events, sport events, festivals, concerts, parties and more.

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.

ADP Security Systems provides electronic systems as well as manned guarding in Hampshire, Sussex, Surrey, Dorset and Berkshire. The company's forté is in tailoring a mix of flexible security elements, covering static manned guarding, mobile, electronic/CCTV and physical security.

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.

Africa Security Forum is a membership-based government organisation, located in Barking, United Kingdom. They provide policing, counter terrorism, border defence, local, state, national security services.

Advanced Guarding Services provide security guarding services for all industries in Kings Lynn, Norfolk as well as across the UK. The company's primary mission is to offer reliable and compliant security services to all areas of industry. A professional organisation, sympathetic to the limitations of our clients businesses and with 100% focus on customer service at every level within the company.

Alarm Response & Keyholding specialise in providing professional key holding and alarm response services across the UK to secure home or business and ensure the safety of family and staff.

ATS (All Time Security) Ltd is an independent service company that supplies security guards for both private and commercial industry. Providing a high standard also security at short notice. They are based in High Wycombe , Buckinghamshire, serving the area within 50 miles of High Wycombe.

Allander Security welcomes enquiries from fellow security services providers seeking sub-contracting partners. It aims to develop and implement a security solution for its clients, taking into consideration their specific needs and existing security weaknesses. It is dedicated to ensuring quality of service provision to the customer comes first, particularly at the public interface; a company using new and innovative ideas to benefit all.

Allstate Security first established a home base in San Diego, California, USA and rapidly built a reputation for high levels of training and professionalism. Their unsurpassed industry standard of service boosted growth, allowing them to branch into other areas.

ALNPK Consulting is a global partner in the acquisition, distribution and sale of Quality CCTV companies and equipment.

Andrews International (AI) was founded in Los Angeles in 1988 in response to the growing demand among Hollywood studios for security forces with advanced skills and training. The security company operates offices throughout the United States, Canada, and Central America. AI security officers are protecting life and property at national landmarks, major tourist attractions, industrial sites, and educational and financial institutions.

Angle Security was established in the United Kingdom with a global mission 'Affordable Security Solutions', which includes Smart DVR (Digital Video Recorder) systems, Smart NVR (Network Video Recorder) systems along with security solutions, systems and professional services.

Arion Security (UK) Ltd is a total security solution provider. It specialises in security guarding, event Security, key holding, manned security, static security guards, mobile patrol, retail security,key holding and alarm response services to industrial and manufacturing facilities, building and construction industry, commercial properties and retail establishments all over the England.