Security companies in London (682 found)
The Goldilock premise is that data and systems should not be physically connected to the Internet when not using them, but that they need to be available from anywhere, immediately. Goldilock's non-IP controlled Drawbridge technology applies the same principle and technology to network architecture.
GoodVision helps transport surveyors and modellers to achieve incredible productivity in traffic data analytics. They provide a platform for all traffic analytical tasks that transportation industry requires. GoodVision provides an innovative way in which vehicle traffic and pedestrian footfall data is collected and analyzed from cameras, drones or live feeds.
Gratte Brothers Security Management are specialists in the design and installation of CCTV, access control, intruder alarm and integrated security systems. The companys project managers, and installation teams are supported by its own technical specialists and software development engineers. Based in London, the company is assessed to the National Security Inspectorate NACOSS Gold standard for the design and installation services.
Green Light Limited is a London-based security training and consultancy company. Based in London, the company includes versatile and highly qualified team of consultants, each one being an expert in their given speciality within the transportation safety and security arena. Green Light Ltd aims to ensure that common sense is the lowest common denominator and the solutions it proffers aim to reflect national and international standards.
Grove unlocks business success by defending its customers with the most advanced cybersecurity solutions in the marketplace. With a focus on next-generation cybersecurity AI & ML, they are always evaluating new and evolving techniques to keep improving how they help customers defend their digital assets and brands.
GRV Global Ltd is a fast-growing independent business-to-business event organiser, providing the perfect environment for senior executives and decision-makers to collaborate, discuss challenges, and explore solutions. Their team creates uniquely effective and stimulating environments for senior executives and decision-makers to collaborate, discuss challenges, and explore solutions.
The GSMA represents the interests of mobile operators worldwide. Spanning more than 220 countries, the GSMA unites nearly 800 of the world’s mobile operators with more than 230 companies in the broader mobile ecosystem, including handset makers, software companies, equipment providers and Internet companies, as well as organisations in industry sectors such as financial services, healthcare, media, transport and utilities.
GTT’s global Tier 1 IP network enables clients to connect to any location in the world and with any application in the cloud. The company's cloud networking services provide a better way for multinational clients to reach the cloud. GTT has the flexibility to deliver private, public and hybrid cloud network solutions for connectivity to any location in the world and with any application in the cloud.
Guardsman Security Services provides top-tier security solutions to a wide range of clients, including retail, corporate, and construction industries, as well as the public, healthcare, and industrial sectors. Their team consists of highly experienced guards, each possessing SIA licences and extensive training, ensuring unmatched protection for their business premises and effectively deterring criminal activity.
H+K Strategies are one of the leading full service PR and communications agencies in the UK and across the globe. The company combine deeper sector understanding with the widest range of core services found under any communications agency’s roof providing our clients with a uniquely integrated solution. H+K use multi-channel storytelling techniques to engage audiences and change behaviour in order to create value for its clients.
Hall & Kay Security Engineering is the UK’s largest fully accredited independent Integrated Security and Fire Suppression company with over 300 staff and 500+ approved subcontractors spread throughout the regions and across EMEA, offering advanced product technology, the highest standard of professional expertise and service to achieve engineering excellence every time.
Heligan Group is an intelligence led investment and advisory group specialising in partnering with businesses that contribute to global safety and security. With a growing presence across various geographies, Heligan Group stands as a pioneer in its field, combining expertise with innovation.
Heston Apex Europe Ltd. have installed a wide range of systems ranging in complexity from a single camera to multiplexed systems with digital recording. The company have installed systems throughout Europe, linking CCTV back to Control Rooms in the UK. Heston Apex Europe installs fire protection, IP CCTV, physical security, and access control etc. The company also provide maintenance service which can be tailored to meet individual client needs.
Hirehand helps people-powered businesses build the perfect bench of bank staff by using intelligent matching to fill dropped shifts from an internal workforce. Reducing reliance on agency staff, costs go down and service levels go up. The FlexForce provides software for managers, and an app for the workforce, making building the perfect bench straightforward.
Hoare Lea is a London-based firm of consulting engineers specialising in mechanical, electrical & environmental engineering. The company provides specialist security consulting services to clients across all market sectors. The services cover everything from feasibility studies, risk assessments and security strategies to detailed design and project management. Hoare Lea also offers services like fire engineering, lighting, communications, etc.
Houndstooth Wireless was formed by three engineers with over 60 years combined experience in software, hardware and defence systems. They create counter-drone technology designed to reduce overall risk associated with drone incursions at your facilities and events. Their purpose is to make counter-drone capability straightforward, accessible and commercially viable - similar to CCTV and other perimeter security devices.
Globally renowned cyber security solutions firm, Human Firewall provides information security, anti-phishing, phishing simulation, security awareness, SOAR, email security and firewall safety solutions for global organisations. They also offer security, cyber security and anti-hacking training services.
IC2 CCTV and Security Specialists (UK) Ltd. provides design, install, service and maintain comprehensive integrated systems including key holding, megapixel CCTV, wireless CCTV, automated number plate recognition, remote monitoring, access control (biometrics), automated gates & barriers, pa systems, fire & intruder alarms. The company specialists combine cutting-edge electronic security solutions with highly qualified engineers.
Established in 1987, ICTS (UK) Ltd is one of the largest private security companies in the UK. With principle office in London and additional operational centres throughout the UK, the company is able to offer a national cover and a comprehensive range of security services. ICTS UK specialises in the provision of security services to airports, airlines, corporate and pubic sector clients.
IDEE is a software company that has created an ecosystem, which delivers trusted in- teraction (authentication, authorisation, identification) by leveraging the user’s phone, Public Key Cryptography (PKC), and blockchain technology. It currently maintains three patents in the area of continuous authentication and identity management. IDEE’s vision is to make the trillions of daily interactions on the internet, trustworthy.
IFSEC Global provides a forum to learn, connect and discuss everything security and fire-related. Preeminent in the UK with a truly global audience, it covers developments in long-established physical technologies such as CCTV and video surveillance, access control, intruder/fire alarms, and guarding, as well as emerging innovations in cyber security, drones, smart buildings, home automation, the internet of things (IoT) and more.
IHS Markit is a team that includes more than 5,000 analysts, data scientists, financial experts and industry specialists. Their global information expertise spans numerous industries, including leading positions in finance, energy and transportation. They have a focused approach to solving complex challenges from tactics to strategy. They provide decision makers with the essential information and analysis needed to move forward.
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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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