CSG UK PLC specialise in the installation, maintenance and support of security systems for companies and organisations throughout the UK and Europe. CSG UK supply and install comprehensive security systems for national chains and individual businesses in the form of: CCTV, Access Control, Public Address, Intruder Detection and EAS (Electronic Article Surveillance), Fire and Safes.

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.

CSM specialise in support service facilities management solutions for the Construction & Commercial Property sectors. They offer services such as physical security, CCTV security, mobile security, cleaning services and many more.

For more than 10 years, Cube security has been in the business of installing security products such as fire alarm, intruder alarm, CCTV and access control equipments.

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 organisations.

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.

Trusted by some of the most admired brands and organisations, CyberOne is dedicated to delivering end-to-end cyber security solutions to secure mission-critical operations. They combine the best technologies with the brightest talent to deliver solutions tailored to their vision and growth objectives, building a secure foundation for the business to thrive.

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.

Cyberseer are specialists in advanced threat detection and cyber incident resolution. Through a powerful combination of expert human analysis with cutting edge next generation technologies from Darktrace, Resilient Systems, Webroot Endpoint Protection, Gigamon and Digital Shadows,Cyberseer can successfully detect advanced threats for security conscious organisations.

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

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.

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 organisations 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.

D.W. Price Security was established in 1998 by the current directors who each have more than 30 years experience within the physical security sector. They are the 3rd generation of the original family business, with roots based in the original glass and glazing industry with the first security installations carried out in the early 1970s.

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.

DA Security Systems are a family run CCTV, Fire and Alarm Business. It has been operatiing from Lee-on-the-Solent in Hampshire, UK since 1984. It has over 40yrs experience with the installation and maintenance of CCTV, Fire Alarm, Intruder Alarm, Door Entry and Nurse Call systems.

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.

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 virtualised networks, IoT and industrial control systems. Some of the products developed by the company include Darktrace Enterprise, Darktrace Industrial, Darktrace Cloud and Darktrace SaaS.