Security companies in London (682 found)
With its top-selling Ganz and Computar brands, CBC (Europe) Ltd is one of the world's most respected CCTV equipment manufacturers. CBC products are designed to meet the highest standards of performance, quality and compatibility and to push back the boundaries of surveillance technology. Computar lenses, and the full range of Ganz electronic CCTV products, can be found in service in a wide variety of demanding situations.
UK Industry’s Chemical, Biological, Radiological and Nuclear Defence Special Interest Group. The aim of CBRN-UK is to act as a focal point to represent the interests of its members to UK Government Departments, Overseas Governments, and other organisations or companies concerned with the CBRN sector of business.
CCTVLondon.co.uk is an installer of CCTV systems for businesses and homes in London. The highly experienced installers offer a wide range of services from complex Commercial CCTV to competitively priced Home CCTV Systems.
Cellebrite is a pioneer in digital intelligence and investigative analytics, partnering with public and private organisations to transform how they manage data in investigations to accelerate justice and ensure data security.
Censuswide is a consultancy that specialises in quantitative and qualitative market research for PR, marketing and insight purposes. They are focused on delivering quick and robust data with emphasis on quality and accuracy.
Centre for the Protection of National Infrastructure is the UK government’s National Technical Authority for physical and personnel protective security. The Centre for the Protection of National Infrastructure (CPNI) protects national security by providing advice to the UK national infrastructure organisations, covering physical, personnel and cyber security
Checkstep helps users adapt to this digital lifestyle by making the Internet a place where humanity is thriving. Checkstep provides online platforms with a software-as-a-service solution that automates content moderation processes. The platform offers better visibility of trust and safety workflows using AI-first tools.
Chiffi Group Ltd is a trusted and well established provider of high quality fencing solutions, operating throughout all areas of the U.K and Ireland. Their versatile workforce cover a wide range of sectors, with specialist teams working alongside professionals in Infrastructure, Agriculture, Education, Commercial, Security, Leisure and Sports.
Cinos is a specialist security and audio visual systems integrator, providing reliable cost effective solutions and professional services to public and private sector clients in the UK and overseas.
Cirium is the industry pioneer in aviation analytics; helping the aviation industry understand the past, present and predicting what will happen tomorrow in air travel.
CIS Security initially operated as a security management and commercial investigation specialist. In 1972, the company joined the manned guarding industry when customers found it difficult to find a suitable security company to provide professional security personnel with the ability to fulfil the recommendations/positions proposed by their experts.
CGS is a dynamic and professional FM company, specialising in customer focussed security provisions and cleaning specialists. Its security services range from bespoke security officer services, fire wardens and waking watch, mobile services, and its own K9 Patrol Dog Handling arm.
City Security Services provides a customer focused professional security service in London and the Home Counties. Their proactive approach ensures that you receive a bespoke personal service which is specifically tailored to meet every aspect of your corporate security requirements.
CityFibre builds transformational fibre optic infrastructure for the UK. CityFibre is thelargest provider of fibre infrastructure to the UK’s second tier citie
CIVIC Security supplies, installs and maintains a complete range of security, communications and electrical services. The UK based company provides CCTV, access control, fire alarms and intruder alarms to residential, commercial and industrial sectors, including local authority housing, housing associations and government departments.
CLA is a professional services consultancy that provides high level advice and support to a wide range of government, corporate and private clients. Founded in 2005, CLA comprises a core team of professionals highly experienced in delivering infrastructure, physical. personal and reputation security supported by an international network of specialist consultants and partner organisations
Claranet are experts in modernising and running critical applications and infrastructure. One of only five companies to have all three audited Managed Service Provider certifications from the hyperscalers Microsoft Azure Expert MSP and Gold Partner, AWS Premier Consulting Partner and Google Cloud Premier Partner.
Clifford Chance always strives to exceed the expectations of the clients, which include corporates from all the commercial and industrial sectors, governments, regulators, trade bodies and not-for-profit organisations. They provide them with the highest quality advice and legal insight, which combines the Firm's global standards with in-depth local expertise.
Cloud Gateway provides unique cloud-native innovation for fully agnostic hybrid cloud and multi-cloud connectivity. Securely connect your estate with multiple cloud service providers, the PSN, the HSCN and the internet. Organisations of any size can harness the power and flexibility of hybrid cloud and multi-cloud connectivity, but with greater control, pace and visibility.
CloudFabriQ develops powerful new cloud data centre management and automation tools for enterprises and data centre operators. They build on popular data centre operations tools to allow customers to manage and automate large scale data centres to flexibly achieve their business objectives.
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Upcoming security events in United Kingdom (UK)
The Security Event 2026
- 28 - 30 Apr, 2026
- Birmingham, United Kingdom (UK)
National Cyber Security Show 2026
- 28 - 30 Apr, 2026
- Birmingham, United Kingdom (UK)
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