Assystem provides engineering design and design substantiation support to the Naval Marine sector. Including concept design studies associated with new system requirements, complex design substantiations associated with new and in-service equipment, as well as modelling work associated with the detailed design definition process. 

Assystem performs design and CAD modelling work associated with new build Naval programmes. We are recognised as a key supplier of design engineering support to Naval Prime Contract Organisations. Assystem performs concept design work associated with new Naval system requirements. This work includes the following disciplines: Project Management of concept phases, Requirements Engineering, Systems Engineering, Engineering process management, Design data integration and Processes to support design integration activities for main gate approval.

Assystem performs design and design substantiation work associated with the Naval nuclear programme.
Assystem is a key supplier of specialist design and analysis support to both new build, and in service support programmes. From mechanical handling equipment design to detailed thermal transient stress and fracture analyses of high integrity pressure equipment, Assystem provides critical inputs to safety case documentation.