Nexor is a UK-based cyber security company specialising in assured information exchange for defence, government, law enforcement and critical national infrastructure. It helps organisations and their supply chains share sensitive and classified data securely, supporting resilience and mission assurance in the UK and among its allies.

Nexor provides cyber advisory services, including supply chain security, solution design for complex and classified networks, secure-by-design guidance, security assessments, and cyber strategy and policy support. Its research and innovation services help clients investigate challenges, experiment with emerging approaches and develop appropriate solutions.

The company’s product range includes Nexor Protean, a software-defined gateway for secure information exchange in cloud environments; Edge Guard systems for space-constrained locations; GuarDiode for controlled data import and filtering; Data Guard for reducing malware and data-loss risks; Data Diode for one-way data transfer; and Email Guard for mitigating email-related information loss and malware threats. Nexor also offers research, experimentation and implementation expertise, drawing on experience with UK government and defence programmes.