CTC advanced is a full-service provider in the qualification and approval of products, including market access, regulatory qualification as well as certifications for private schemes. One branch in which CTC advanced has evolved to a major partner is the payment industry. Providing debug and type approval testing for many payment schemes including EMVCo, Mastercard, Visa and furthermore in related areas such as NFC,RFID, e-Identification etc.

CUCCTV Manchester is a trusted CCTV distributor, supplying high-quality Dahua CCTV, security cameras, and surveillance systems for trade professionals and installers. As a dAHUA Authorized PARTNER, we provide a wide range of IP cameras, NVRs, DVRs, and access control solutions to meet all security needs.

Custodian Total Security Services supplies and installs intruder alarms, CCTV, and access control systems. It is a local independent company based in the North East of England with an area ranging from Alnwick across to Hexham and South to Durham, Cleveland and North Yorkshire serving both the domestic and commercial markets. the company also provides a full 24-hour emergency service to all customers.

Custom Security Services is one of the South's leading independent providers of fire, security and safety systems. The company offers a comprehensive design, installation and maintenance service for all types of security related projects. With over 25 years experience the company has successfully delivered thousands of quality installations to all types of customers, including domestic, commercial, and public sector.

Cyberhomes is a UK-based provider of smart home installations including CCTV and security applications.

Cyelcor Ltd offers solutions such as CCTV, Intruder Alarms, Security Smoke Systems, Fire Alarms, Access Control, Video Door Entry Systems, Smart Home Automation, Oil & Gas Telemetry, Systems, Automated Swimming Pool Dosing. The company also provides consultancy services for home and business owners.

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.

Cygnus SD specialises in providing quality CCTV – IP and analogue – , access control products and accessories to the UK security trade.

Cynon Valley Crime Reduction Services Limited is a non-for-profit social enterprise which is now in its 10th year of trading. It was set up to support the Charity side (Cynon Valley Crime Prevention Association) with sustainable funding, by providing security services across the country, these include fitting of security products like intruder alarm systems, CCTV, access control systems, UPVC locking systems, and key suiting/cutting services.

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.

Damar Security Systems Ltd. has delivered home and business security in the Solihull, Birmingham and Sutton Coldfield areas. Starting small working out of a back bedroom, Damar now employs 9 members of staff and proudly supports over 2500 clients

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.

Dantech Electronic Engineering is a UK manufacturer who has the capability to design, develop and produce products for the global security industry. For more than 40 years, the company has designed, developed and manufactured electronic equipment. This includes a large variety of electronic security products, including unique range of power supplies and ancillary equipment specifically engineered to service the global security industry.

Darfen is a manufacturer of perimeter fencing products as well as access control solutions.

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.

DAS Technology are technology specialists with over a decades experience delivering solutions for both commercial and domestic customers. Their security division is full of specialists in CCTV, access control, door entry and fire.

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)

DATASEC develops, produces and delivers products for Access Control, PC Access, Time & Attendance, Video Surveillance and Security Patrol Systems. DATASEC also offers special system solutions from other manufacturers, which is included in its system range. DATASEC is focused on integrated system concepts and the interaction between all important detailed solutions for securing sites, buildings, vehicle access or individual doors.

Since its formation in 1989, Davies Security Group has been designing bespoke security systems for its clients from all areas of the marketplace. From standalone Fire, Intruder and CCTV systems to PC-based integrated solutions, Davies Security can provide for all specifications, incorporating the latest technology from the fast moving security sector designed individually to accommodate present and future security needs.

Eastlished in 1993, DEA System has grown up with ambition, always looking to the future and to develop further. For this DEA System has created DEA Electron, a Business Unit that develops and manufactures high quality electronic with high standards of control and certified results.

Delaney Secure Ltd is an IT security distributor specialising in biometric authentication, door entry systems and PCI DSS compliance. Leading stockist of door entry solutions, time and attendance, fingerprint readers, palm vein readers, iris scanners, face recognition and OEM biometric hardware and software solutions.

Dent Security Systems is the Cambridge security specialist. Founded in 1870 by locksmith Robert Dent. The company offers integrated solution of electronic and physical security to meet any circumstances in home or business premises. The service includes installation and maintenance of residential & commercial ‘burglar alarm’ systems, intruder alarm, remotely monitored intruder systems, police monitored burglar alarms, CCTV/ Video surveillance.