RSK is a multi-disciplinary environmental, health, safety, sustainability and engineering consultancy and technical services company.

We employ professional and technical staff in offices across the UK, Europe, Middle East and Africa. We have over 30 years’ experience in light, heavy and high speed railway infrastructure and operations.

RazorSecure are rail cyber security specialists offering products and services to enhance railway cyber security, by protecting networks and monitoring key systems.

We deliver this through a flexible approach to cyber security, designed specifically for rolling stock, signalling and infrastructure systems.

Complete Cyber is a provider of professional, vendor-agnostic cybersecurity products and services. With 30 years of combined experience, its team helps clients to secure their systems, data, and infrastructure, guarding against cyber-attacks. Organisations like Transport for London, Network Rail, and Thales benefit from its collaborative, creative approach.

Black Diamond Security Services is a leading provider of nationwide security solutions. It combines its services to create full security packages, meaning clients can avoid managing multiple contractor partnerships. Renowned for its efficient delivery and innovative approach, the company offers everything from personal security to obtuse temporary security systems – while its licensed security officers can respond to alarm activations across the country. From semi-permanent services to fixed solutions, it tailors its packages to suit clients, whatever the sector.