Nexor is a secure information exchange specialist that provides high assurance threat and risk mitigation solutions for complex and sensitive networks globally. The company focuses on cross-domain technology and secure messaging systems, serving government, defense, and critical infrastructure sectors. The company offers a combination of research and advisory services delivered by subject matter experts who lead MOD research projects into the future of cross-domain technology. Their product portfolio includes highly customizable secure information exchange solutions aligned with NCSC import/export patterns and high assurance principles. Nexor's technology enables secure communication across different security domains and classification levels. Founded in the late 1980s as a spinout from communications research at the University of Nottingham and University College London, Nexor has over 30 years of experience in secure messaging and information exchange. Their technology has been deployed in mission-critical communications projects worldwide, including the European Central Bank's monetary union implementation and the US DoD Defence Messaging System. Nexor maintains multiple certifications including ISO 27001, ISO 9001, Cyber Essentials Plus, and JOSCAR level 2 status. The company is recognized as an official cyber security supplier to the UK Government and holds Investors in People Gold status. Their agile development capability complements advisory services to deliver tailored solutions that balance security requirements with budget and functionality constraints.