CREST is a global community of cybersecurity businesses and professionals working to keep our information safe in a digital world.

CrisisCast provides specially trained professional role-play actors and internationally credited film crews bring realistic, informed, crisis management and disaster incidents to life. as a company they use state of the art UK and Australian film crafts, tricks and skills for live training that requires hyper real battlefield effects, role players, stunts, medical simulations and combat flashpoints. ​

Cristie’s software solutions helps organisations protect, recover and move critical machines to dissimilar hardware, hypervisor and cloud environments as part of their migration strategies and DR planning. Cristie provides instant system recovery, recovery simulation, flexible machine migration and hot standby functionality.

Established in 1998, Critical Software is a globally renowned provider of information systems and software services for safety, mission and business-critical applications. They offer Enterprise Application Integration, Embedded Systems, Command & Control, Earth Observation, Integrated Logistic Support, Security & Infrastructure, Real-Time Performance Management, Business Intelligence, Mobile Services, Verification, and Digital Transformation.

Crossword Cybersecurity Plc is a technology commercialization company focusing exclusively on the cyber security sector. The company provides cybersecurity consulting, risk analysis and cybersecurity solutions to enhance safety. They also assess an organizations readiness for the new Data Privacy regulations, GDPR, which have substantial implications for most organizations.

Crown Hosting Data Centres Limited is a unique joint venture between the Cabinet Office and Ark Data Centres dedicated to serving the Public Sector. Together they are the trusted partner of the UK Government delivering increased efficiency, improved value, and transparency of Data Centre Services.

Crypto Quantique is building the most secure end-to-end IoT security platform. It is a transformative cybersecurity technology company, using the most advanced techniques in cryptography and quantum physics, designed to ensure that both device security becomes foundational and end-to-end IoT security standard practice.

CSignum is a pioneer in wireless underwater communications, pioneering cable-free data solutions using patented low-frequency electromagnetic (EM) fields. This innovative technology ensures autonomous, reliable data transmission through and across the water-air boundary, water column, seabed, and underwater structures to networks on land and in the air.

Managed connectivity experts supporting mission and business-critical IoT applications. Critical IoT Connectivity can be complex, but make it easy. Simplicity, service and reliability have been at the heart of everything they do since CSL was founded. The sectors they work in and the applications they connect are at the highest end of critical communications.

CSP specialises in providing services to venues and static sites, including Car Parking, Internal and External Traffic Management, HVM (Hostile Vehicle Mitigation) solutions, Security, Stewarding, Cash & Audit and Consultancy services. Whilst their range of services has grown, Car Parking/Traffic Management, HVM, and Security/Stewarding represent their core areas of expertise.

UK based Cubitech initially focused on development of compression and storage algorithms that found application in DVRs & remote CCTV monitoring solutions. The company launched its first Digital Network Video Recorder, CubisPRO, which included features like extended storage capacity, state-of-the-art remote monitoring capabilities and intuitive used interface. The company also developed CubisLITE series to meet need of smaller businesses.

Cureoscity, is an independent business owned by Grosvenor Hill Ventures, Savills' proptech investment subsidiary. Cureoscity’s vision is to bring people and their spaces closer using technology. Cureoscity provides occupier, building and property managers with effective tools for core operational processes through web portal.

Custom Intelligent Security is a technology-driven ISO27001 & NSi Gold Accredited independent electronic security specialist with a proven track record of delivering unrivalled service delivery to many Corporate and Government organizations.

CY4OR is a global services firm providing extensive knowledge and expertise in digital forensics, edisclosure and information security.

Cyan Forensics is an Edinburgh-based company that builds technologies to help law enforcement quickly find and block harmful content. Cyan Forensics provides digital forensics software to help police forces find evidence on computers many times faster than before, doing in minutes what can currently take days.

Cyber Chain Alliance helps identify and manage information risk, enabling customers to concentrate on building business, better​!

A team of Cyber Security Professionals boasting years of experience delivering Cyber Security solutions to customers, both directly and on behalf of partners.

CyberOwl helps asset operators in the maritime and critical national infrastructure sectors gain visibility, cyber security and cyber compliance of systems on their distributed, remote assets.

CyberSafe is the original commercial provider of Kerberos-based security solutions, with over 20 years'​ experience, and focused on providing innovative security solutions for SAP business applications.

CybSafe measures and tracks security behavior to improve security controls and awareness activities.

CYFOR Secure is the dedicated cyber security division of CYFOR, specializing 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.

Cyjax is a digital security and threat intelligence company. Cyjax helps companies build effective threat intelligence solutions to tackle the ever-growing number of digital threats that organizations and people face today.

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.

Cyphere are a UK-based security services provider serving across penetration testing and managed security. Their engagement is free from selling Fear, Uncertainty and Doubt (FUD) factor and do not include leveraging lack of awareness on the subject.

Cytix is a cloud vulnerability management platform and a cluster of dedicated pentesters to help identify & resolve vulnerabilities.

Dallmeier electronic UK is provider of professional video security technology and network-based IP video surveillance systems. It has been developing and manufacturing high-quality complete solutions for the CCTV/IP area.

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.

Darktrace is a AI company which deals in cyber security, Intelligence and machine learning. The Enterprise Immune System uses machine learning and AI algorithms to detect and respond to cyber-threats across diverse digital environments, including cloud and virtualized networks, IoT and industrial control systems. Some of the products developed by the company include Darktrace Enterprise, Darktrace Industrial, Darktrace Cloud and Darktrace SaaS.

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.