CyberCube delivers data-driven cyber analytics built specifically for the insurance industry. CyberCube is focused on solving the most difficult and important cyber risk challenges in insurance with world-class analytics. They provide Cyber Insurance, Cyber Security, Cyber Insurance Analytics, Insurance Analytics, Cyber Underwriting , and Cyber Risk Modeling services.

Cybereason Ltd. is a Boston based company which is a known name in the field of endpoint protection. It offers endpoint detection and response, next-generation antivirus, managed monitoring and IR services. Cybereason gives enterprises the upper hand over cyber adversaries.

CyberLink Corporation develops & owns over 200 patented technologies providing multimedia software & AI facial recognition. Their product line includes PC & mobile applications for playback of movies & media, editing of videos & photos, & disc burning & backup solutions. Their AI facial recognition technology delivers solutions that are critical to AIoT applications such as smart retail, smart security & surveillance, smart city & smart home.

Cyberprism is a UK based company, providing integrated cyber security solutions in the energy, maritime and private wealth protection sectors. They specialise in Cyber Security, Operational Technology Networks, Cyber Security Training, Ship Security, Super Yacht, Critical National Infrastructure, Ports, and HNW Cyber Protection services.

Cybersecurity and Infrastructure Security Agency leads the national effort to protect and enhance the resilience of the nation's physical and cyber infrastructure. CISA's multi-faceted mission is home to more than 15 career fields, including business administration, cybersecurity, programme management, communications, data science.

CYFOR Secure is the dedicated cyber security division of CYFOR, specialising in a breadth of proactive and reactive IT security services, with expertise in Digital Forensics and Incident Response (DFIR). We are a trusted provider to SMEs and large enterprises globally, spanning numerous sectors that include manufacturing, legal, engineering, healthcare, finance, and telecommunications.

Cygate is a Swedish IT company with strength and flexibility. They are part of Telia and on Sweden's largest network they can offer locally produced and tailored IT services with both breadth and edge to help realise ideas.

Cymulate is a SaaS-based breach and attack simulation platform solutions company that makes it simple to know and optimise security posture any time, all the time and empowers companies to safeguard their business-critical assets. Services provided include cyber posture, cyber attack simulation, security posture assessment, breach and attack simulation, validate controls, security validation, security risk assessment and cyber security.

CyNam is a Community Interest Company based in Cheltenham, the cradle of UK cyber innovation. The goal of CyNam is to bring together the best technology minds from local SME’s and Startups to fully harness the rich cyber security ecosystem that flourishes around Cheltenham, the home of the National Technical Authority for Information Security, GCHQ.

D-Fence Electronic Fencing and Security Systems Ltd. is an Israeli "Security-by-Technology" company that designs, develops and manufactures the most advanced Perimeter Intrusion Detection Systems (PIDS), based on an exclusive Strain Gauge Sensor technology. This proprietary technology allows us to offer highly aesthetic PIDS based on the “Open-Design” concept, and most importantly, that work with Zero False Alarms.

D & A Systems is an engineering company, providing electrical and specialist services to industry and commerce. The company offers electrical engineering services, high voltage construction and maintenance, electrical testing and inspection, quality power management, public address & voice alarm systems, CCTV & access control systems, and data network structured cabling.

D&D Security Derby offers fully licensed SIA-approved security guards that are ready to be deployed within hours upon acceptence. It provides approved contractor security services for major companies across the UK. Specialists in static guarding, it offers a cost-effective security service for the protection of UK businesses.

Daifuku Airport Technologies is a solutions provider for airports worldwide. They specialise in airport operations and maintenance, baggage handling, self service technology, automated bag drop, baggage tray systems, tilt tray sorter, mobile inspection Table, early bag storage, hold bag screening, RFID and other solutions.

Dante provides project management services as well as commercial fire and security systems throughout the UK. The company has mechanical and construction divisions. Dante has achieved the quality standard ISO9001 and environmental standard ISO 14001. The company's specialisms include CCTV, door entry, intruder alarms, fire safety, and PA/VA.

Dardan Security’s smart security solutions go beyond safeguarding buildings, property and staff. It combines the best in technology, mobile services and physical guarding to protect the most valuable asset of all: reputation. Dardan Security has enjoyed strong organic growth by partnering with only quality clients who wish to join it on its journey.

Darkbit is a renowned cloud infrastructure and security solutions firm, based out of Reston, Virginia. They deliver cloud-native security solutions and products for enterprises.

Darvis drives the world’s transition towards automation, innovation and computer vision for a more simple and efficient tomorrow. The company was founded in the heart of Silicon Valley, California, USA. They were originally established as a virtual reality company called Hashplay offering virtual reality and live streaming services.

DAS Technology can design, install and maintain security systems for a wide range of uses from homes, shops and offices to shopping centres, schools and car parks. They provide bespoke security solution that meets your needs, and all completely hassle free. Their nationwide network of engineers is trained to the highest standard in order to install security systems with a professional, efficient and reliable service.

Dassault Aviation is a French aerospace, defence equipment and security systems company that shapes the future by designing and building military aircraft, business jets and space systems. They expertise as a manufacturer of both military aircraft and business jets. Creator of more than 100 prototypes in the last century, with over 10,000 aircraft delivered to 90 countries.

Data From Sky are redefining the meaning of SMART by converting any video stream into the FLOW of actionable insights. Their visual traffic framework makes users a designer of the sensor they need. Born for integration, powered by AI, and running everywhere. Follow the FLOW – their masterpiece in traffic intelligence.

Data Intellect provides solutions to complex data problems in demanding environments for world-pioneering organisations. Put simply - Data Intellect turns big data problems into smart data solutions. It’s about human intellect, collaboration and providing solutions for the most complex of challenges.

Data Performance Consultancy Ltd. are Smart City specialists advising both local and central government on the development of smart cities for social impact. They are building a technology stack that looks to connect social innovation and develop the SME supply chains and in doing so create inclusive economic growth.

Databac installs new HP Indigo 5000 series digital printing line to enable personalization of cards on demand. They manufacture and supply cards in a variety of sizes and materials depending on the needs. These can incorporate a variety of reading technologies such as: Magnetic stripe (HiCo/LoCo/Watermark Magnetics®) Contact chip – such as SLE5542, SmartCafe,ID Prime; GemClub Memo RFID – all types Barcode (2D,QR and Infrared)

Datastor integrate the best in proprietary equipment and software products to provide not only the optimum solutions to their clients individual needs but also one which communicates seamlessly with other key applications.

DC Solutions is a CCTV installer based in Luton.

de Jong SICHERHEIT & IT GmbH is an innovative system house for security, information and network technology and develops, among other things, intelligent solutions for hygienic access to buildings and rooms.

De La Rue works with governments, central banks and commercial organisations around the globe in producing banknotes, product authentication fighting illicit trade and counterfeiting and in the supply of key security components to the identity industry.

- Founded in 2009, Deep Secure is privately owned UK-based security software solutions firm. Services offered include Content Threat Removal, Content Transform, Policy Enforcement, Cyber Security, Data Security, Email Content Security, Web Content Security, Portal Protection, and Deep Content Inspection.