CDS Defence & Security

CDS Defence & Security is a defense maintenance and support provider based in Cheltenham, United Kingdom working in land systems & vehicles, communications & satcom, simulation & training +1 more.

CDS Defence & Security, trading name of CDS Support Ltd, is a UK technical consultancy serving the defence, government, security and highly regulated sectors. Its services cover capability sustainment, support engineering, digital engineering, technical publications, training and learning development, cyber security and information assurance, and support to operations. Work includes support for the Ajax programme and BvS10 all-terrain vehicle, military satellite communications sustainment, and training for the UK Army through the Army Training Capability contract. The company works with the Ministry of Defence, the Armed Forces and Tier 1 defence suppliers. In 2026 it acquired Made to Measure Mentoring (M2M2), adding professional development, accreditation and assurance capability, including direct awarding status with ILM and City & Guilds. CDS DS is a founding member of Project FAIRFAX, a collaboration hub at RAF Wyton, and offers List N certification and assurance support for civil nuclear clients. The company states that over 50% of its workforce has a military background.