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.

3PX was created specifically to assist organisation’s in ensuring that their security and emergency response plans are robust enough to deal with major events and incidents, whether they be naturally occurring or criminal, such as terrorism, extortion or insider threat.

42 Crunch provides the security platform which automatically generates the appropriate security policies for enterprises APIs and their hosting infrastructure. The 42 Crunch platform empowers security teams and enables for close collaboration with development and operations teams, an approach known as DevSecOps.

6S Global is a pioneer in the security, business and data intelligence industry. They provide enterprise network solution, data management, cyber security, data protection and much more.

Aardwolf security, one of the best pen testing companies in the UK, offers both automated and manual penetration testing services for clients operating in banking, healthcare, retail, manufacturing, and many other industries. This consultancy company ensures that the most robust defence mechanisms have been applied to a client’s IT infrastructure.

Abbey Grey Security Group is one of the leading surveillance, fraud investigation & specialist security companies. The company provides secure support services, risk consultancy, training & integrated solutions in a range of environments. With strength of staff in many countries, Abbey Grey Security Group provides clients with single point of reference for provision of all security, risk management, specialised training and logistic services.

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.

Active Intelligence (AI) is a solutions provider with significant experience in the development of IT systems, intelligence gathering, revenue assurance and Logistics Support Analysis strategies to deliver and support a variety of complex products and services. AI together with its network of partner companies is committed to providing specialist and bespoke security solutions to Government and other Organizations.

Acunetix by Invicti Security is an application security testing tool built to help small & mid-size organisations around the world take control of their web security.

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.

Adarga leverages the latest advances in machine learning and scalable engineering within a flexible plug-and-play micro-services architecture. Their machine learning-enabled products, adarga engine and adarga bench, allow users to adopt advanced end-to-end AI analytics. The company provides a wide range of solutions, including Artificial Intelligence, Data Science, Cognitive Computing, Software Development, Cyber Security, and Big Data Analytics.

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.

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.

Analysys Mason is a global consulting and research firm specialising in telecoms, media, technology and digital services. They provide services like Telecoms software research, Smart energy and cities, Media, IoT, Digital Services, Broadband Deployment.

AND Digital accelerates the development of world-class digital capabilities, and it powers the product development of ambitious companies - from British Airways and Conde Nast, to The Telegraph, Gousto, and more.

The company has been providing electronic security systems since 1982. Ansador Ltd. is now firmly established as one of the leading access control, CCTV and integrated security system installation companies in London and the home counties.

Aon is the leading global provider of risk management, insurance & reinsurance brokerage, human resources solutions & outsourcing services. The company also offers fire protection engineering, cyber risks, crisis management, security consulting & design. Aon is a complete security solutions provider. The company understands range of security risks, & stay current on available methods, technologies & equipment to anticipate & solve the risks.

Arabesque is a global financial technology company that combines AI and ESG big data to assess the performance and sustainability of corporations worldwide. The company's vision is to contribute to the mainstreaming of sustainable finance through their asset management services and ESG data platform, Arabesque S-Ray.

Arqit supplies a unique quantum encryption Platform-as-a-Service which makes the communications links of any networked device secure against current and future forms of attack – even from a quantum computer. Arqit’s product, QuantumCloud, enables any device to download a lightweight software agent of less than 200 lines of code, which can create encryption keys in partnership with any other device.

Associated Risks provides maritime risk management strategies, super yacht security solutions, international piracy prevention, vessel escort teams and bespoke close protection.

Assured curates and executes cyber insurance programmes that assure corporates and institutions that their insurance will deliver when they need it most. Without the distractions of other commercial insurance lines, Assured channels all of its effort and passion into cyber.

Assured Clarity is a global consultancy, specialising in Risk Management and Data Privacy, through Education, Awareness and Training, throughout an organisation. They recognise the ‘human factor’ as well as the need for advanced technology to protect and defend from a physical and or, cyber attack.

Astec Systems Limited is a UK-based security systems company with international capabilities and a reputation for the highest standards of service, unrivalled quality and excellent reliability. They specialise in the design, installation, service and maintenance of high technology security systems, from single locations to multi-site, fully integrated multi-jurisdictional installations.

Astoria Fire and Security carry out installations and provide maintenance services in the Electrical, Fire Alarm and CCTV industry to commercial, industrial and domestic properties throughout London and the South East including; schools, offices, factories and retail enterprises.

Atalian Servest believes that to make real and positive change, inclusion must be at the centre of everything they do. Atalian Servest is the one solution for all the facilities needs. From cleaning to catering, security to technical services, Atalian Servest can deliver bespoke single, bundled or integrated services.

Avora is a next generation end-to-end augmented analytics and enterprise BI solution with integrated AI and machine learning. Their mission is to help everyone work smarter. They can help organisations radically transform from data and decision paralysis to powerful continuous insight and business value.