OneID® is an organisation building trust for a safer online society. It let individuals prove who they are online easily and securely using bank-verified data, making verifying the customers hassle-free.

ONEKEY is the major European platform for automated security & compliance analysis for industrial (IIoT & ICS), manufacturing (OT) and Internet of Things (IoT) devices. Using automatically generated "Digital Twins" and "Software Bill of Materials (SBOM)" of devices, ONEKEY autonomously analyses firmware for critical security vulnerabilities and compliance violations, all without source code, device, or network access.

OneLayer provides advanced asset management, operational intelligence, and zero trust security for private LTE and 5G networks. Its technology empowers enterprises to manage their private cellular networks seamlessly, eliminating the need for cellular expertise.

OneMind Technologies help clients to transform operational decisions and reveal insights through real-time and multi-domain intelligence.

OneSpan leverage identity, security, and compliance DNA as a core platform differentiator to empower enterprises to deliver the optimal level of security, world-class user experience, and human touch in digital interactions and agreements with their customers.

ONEST offers engineering and system integration services, hardware and software products development, as well as project management and consultancy. Their services include physical security risk assessment and identification; security systems design, installation and maintainance; testing and evaluation; and security systems concept training.

OnFocus AI specialises in the end-to-end implementation of Artificial Intelligence (AI) across IT infrastructure. From conceptual design to full-scale development and ongoing maintenance, they empower organisations to seamlessly integrate AI technologies into their IT ecosystems. OnFocus Artificial Intelligence specialises in offering end-to-end solutions for artificial intelligence (AI) integration within networking environments.

Onsite Guardian is a manufacturer and integrator of surveillance and security products. The company integrates a wide variety of cameras, encoders and communication devices from manufacturers such as Mobotix, Bosch, Impath, Vivotek, Dedicated Micros, & many others. Onsite Guardian products are fabricated and built to withstand harsh environments. The product line includes portable trailer based systems as well as permanently installed systems.

OnSSI develops comprehensive and intelligent IP video surveillance management software. By applying the same principles of voice-over IP to transfer huge amounts of data over IP lines, the founders of the company had a hand in revolutionising video delivery. The result of their R&D work has propelled the IP VMS industry and placed OnSSI as a leader in physical security information management.

Ooperon is specialises in developing, installing, and integrating personal security systems as well as security alarm and communication systems. The company primarily caters to judicial and healthcare institutions.

Oosto is the developer of facial, body and object recognition platforms. Their solutions are built to function on any sensor, with any resolution and are proven to operate in real-time and in real-world scenarios.

The Open Connectivity Foundation (OCF) creates an open source project for connected devices to communicate with each other. OCF provides smart home solutions, business security solutions, healthcare solutions and industrial security.

OIX is a community for all those involved in the ID sector to connect and collaborate, developing the guidance needed for inter-operable, trusted identities Through the definition of, and education on Trust Frameworks, creating the rules, tools, and confidence that will allow every individual a trusted, universally accepted, identity.

Open Options has been delivering global open platform access control solutions since 1997. They were among the first to embrace true open architecture in an industry that offered proprietary, closed systems that trapped users into an expensive and limited model.

The OpenID Foundation (OIDF) is a global open standards body committed to helping people assert their identity wherever they choose. Founded in 2007, they are a community of technical experts pioneering the creation of open identity standards that are secure, interoperable, and privacy preserving. The Foundation’s OpenID Connect standard is now used by billions of people across millions of applications.

Openminded is an organisation that works in Business Units (Offensive & Defensive Security, Governance & Identities, Cloud Infrastructures, Operations) and are known for offering clear and responsible products and systems to respond to new security challenges.

Openpath creates smart security solutions for the modern office. Openpath’s flagship product, Openpath Access, combines sleek hardware with an app, enabling employees to enter the office using their smartphones and making office management easier than ever.

OpenView Security Solutions Limited is an independent security systems integrator providing full security systems package and a comprehensive range of services for the customers. The company designs, installs, and maintains security systems including access control, CCTV, intruder alarm, integrated security systems, door entry systems, etc.

OPSWAT protects critical infrastructure. The goal is to eliminate malware and zero-day attacks. They believe that every file and every device poses a threat. Threats must be addressed at all locations at all times—at entry, at exit, and at rest. Products focus on threat prevention and process creation for secure data transfer and safe device access. The result is productive systems that minimise the risk of compromise.

Founded in Leeds, UK, Optalysys enables the future of secure computing by processing encrypted data at scale, without it being decrypted. It does this by using the power of advanced silicon photonics to enable Fully Homomorphic Encryption (FHE), a cryptographic technology to allow organisations to securely commercialise their data.

Optellios’ Fiber Patrol® division produces advanced fibre-optic intrusion detection and alarm management solutions, capable of accurately identifying and locating an intrusion to within a few feet for perimeters exceeding 10 miles in length, with the industry’s first intrusion sensor system that keeps working even if the sensor cable is cut.

Optilan is a UK based telecommunications systems integrator providing 'turnkey' communication systems from design through to site commissioning and support to customers around the world. The company offers its services to businesses, industry and governments around the world. Optilan provides integrated security systems that incorporate CCTV, access control, alarms, perimeter intruder detection, radio systems, transmission systems, cabling, etc.

OPTIMUM datamanagement solutions GmbH specialises in industrial image processing that combines database management with camera technology. They provide camera-based assistance systems, Smart Klaus which accelerates the processes in industrial companies, makes them more economical and relieves the employees. At the same time it increases quality, productivity and satisfaction of customers and employees.

Created in 2015 from the merger of Accuvant and FishNet Security, Optiv is a cyber security solutions provider in North America. The company helps clients plan, build and run successful cyber security programs to efficiently achieve business objectives through their cyber security offerings, extensive capabilities and proven expertise in cyber security strategy, managed security services, incident response, risk and compliance.