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.

De Raat Security Products is one of the UK’s & Europe’s suppliers of security products. They offer a full comprehensive range of physical home, office and commercial security solutions. Their UK office is based in Corby, Northamptonshire and they hold around a 90% stock level of their full product offering here in the UK.

- 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.

Defence Composites has built a long standing reputation in the Body Armour and Composites Industry. With over 25 years experience in the industry, Craig's experience of designing lightweight armour and his knowledge of composite materials gives the company the advantage of a unique level of expertise.

Deister Electronic Ltd is one of the world's leading companies in the development, manufacture and marketing of electronic security and identification products.

Delta 5 Security specialises in providing security guard services in London and the surrounding areas. They also specialise in providing security industry-related training courses.

Design Automator is a SaaS solution for the security systems industry that automates the engineering process, eliminates human error and delivers system wide consistency, whilst saving both time and money.

Detectortesters is a designer and manufacturer of testing technology for fire detection systems. In-house expertise across a range of technical disciplines means they are able to constantly innovate and develop new technology to bring new ideas and solutions to both users of their products and anyone with a responsibility for fire safety.

Detego Global is the company behind award-winning Digital Forensics, Case Management, and Endpoint Monitoring solutions that are trusted by the military, law enforcement teams, intelligence agencies, and enterprises around the world. With the ever-increasing use of digital devices and the corresponding mass of data that are created, solutions have become the preferred choice for rapidly acquiring and analysing.

DeterTech is an award-winning risk management company that uses proprietary technology-based solutions to deliver material cost savings for clients operating nationally in the infrastructure, construction, vacant property, and other sectors, across a range of security products and services.

DGS is managed and operated by this team who take a real hands on approach to all the operational aspects of each and every contract. DGS Service Solutions provide a range of outsourced Security, Cleaning and FM Solutions to a range of customers including shopping centres, offices, factories, and retail outlets.

Digital Barriers was established in 2009 to provide advanced surveillance technologies to the international homeland security and defence markets. The company brings innovative new thinking and solutions to the protection of most critical national assets, locations and infrastructure.

Digital Locksmiths Limited was founded by two former members of Smart Card Solutions: Sean Kelly & Martin Strauch. The Digital Locksmiths offer an unrivalled, independent capabiltity to help our clients provide the highly reliable, feature rich and cost effective products that customers demand.

Through their 24/7 Security Operations Centre, DigitalXRAID delivers cyber security strategies to organisations that enhance the security posture and reduce the risk, cost, and reputational damage of a breach.

Ditto is the digital identity platform that enables organisations to verify and authenticate customers with cryptographic certainty. Acting as a modern Customer Identity and Access Management (CIAM) layer, Ditto supports secure onboarding, sign-in, and ongoing account protection across digital channels — helping teams reduce fraud and account takeover, streamline customer journeys, and meet KYC, AML, and GDPR requirements.

DOM-UK Ltd. focuses on developing and offering high quality mechanical and access control solutions for residential and commercial applications. They provide smart access control, mechanical and digital locking solutions, including locks, lockcases, digital handles and cylinders, wall readers and terminals, trapped key interlocking systems and anti-tilt systems.

dhf is a not-for-profit trade association for companies associated with Locks & Building Hardware; Doorsets; Industrial Doors & Shutters; Domestic Garage Doors and Automated Gates.

Door Entry Direct Ltd specialises in the distribution of door entry systems of proven quality. The team at Door Entry Direct Ltd have over 25 years experience in door entry phone intercom systems.

Door-Stop offers composite door solutions in a completely different way. They are easy to buy, quick to get hold of, and are easy to sell. Today 90% of Door-Stop’s orders are placed using the 1 minute, 5 step online ordering system. They deliver doors nationwide in just 3 days. Their doors come with an ERA cylinder-free lock which is secure. With a traditional mortice key, the door doesn’t need a locking cylinder because the key engages directly.

DORMA is a globally active supplier of door technology products and systems. The company is the world market leader in door controls, movable walls and automatic door systems. The DORMA Group is subdivided structurally into five divisions: Door Control, Automatic, Glass, Security / Time and Access and Movable Walls. DORMA maintains major production plants in several European countries plus Singapore, Malaysia, China and North and South America.

Dorset Architectural Ironmongers is one of the leading supplier of architectural ironmongery, fire protection products and associated services to clients in both the public and private sector. Based in Dorset, the company product range including access control, hinges, door closers, locking systems, and fire escape hardware etc. DAI work with all the leading manufacturers to provide an extensive range of top quality products for all projects.

Dot Origin Ltd. is a leading European provider of products and solutions in the field of smart card technology. Dot Origin distributes smart card, RFID and NFC solutions from vendors including ACS, Gemalto, HID, Identive and NXP. Headquartered in the UK with US subsidiary, the company has been operating successfully in this market for over 10 years, and has a wealth of knowledge and experience which is used offer comprehensive technical support.

DroneOps specialises in the commercial application of Small Unmanned Aerial Systems (SUAS) and robotics. They research and develop new capabilities for drones to work in the commercial, security and defence arenas.

DS Security's CCTV & Access Control systems provide a real deterrent, plus, the peace of mind of having a full record of any event if needed. They are constantly researching and testing the latest innovations on the market to ensure they offer the best system to suit their security and budgetary needs.

DS Security is a pioneer UK Security company providing Security Services throughout the United Kingdom. Their security camera systems, access control and asset protection solutions provide a real deterrent and the peace of mind having a full record of any event or problem if needed.

At DSOC, they provide tailored CCTV surveillance designed to respond to events as they happen. Any triggered activation is immediately sent to their Alarm Receiving Centre, operating 24/7, 365 days a year. Confirmed incidents are quickly escalated to the police or appropriate response services.