Submarines and underwater systems

With more than two decades of experience, Frazer-Nash has one of the most comprehensive submarine design and assurance solution portfolios in the UK.

With more than two decades of experience, Frazer-Nash has one of the most comprehensive submarine design and assurance solution portfolios in the UK. Our dedicated team use their multidisciplinary expertise to support:

  • Platform design
  • Nuclear propulsion
  • Facilities and infrastructure
  • Weapons systems

Excellence in submarine design, nuclear propulsion and weapon systems

Our 200-strong submarine team comprises marine and nuclear propulsion and weapon engineers, naval architects, safety specialists, and designers. Integrated into our technical and assurance teams are over 50 former submariners, including Cat A1/A2 operators, Strategic and Tactical Weapon System engineers and executives. This combined experience enables us to anticipate, plan and specify project requirements. We de-risk major programmes for government and industry clients by providing high quality SQEP support. Our portfolio includes the UK's Swiftsure, Trafalgar, Vanguard, Astute, Dreadnought and future nuclear platforms, and the UK's former Upholder conventional class platform.

Our skills and services

  • Requirements engineering
  • Specification development and review
  • Platform design and assurance
  • Naval authority certification
  • Safety assurance: nuclear, fire, OME and facility
  • Specialist systems, including SMERAS
  • Structural assessment
  • Materials selection and performance, including composites
  • Corrosion
  • Naval architecture
  • Systems analysis and modelling
  • Signatures
  • Shock
  • Hydrodynamics
  • EC&I
  • Software
  • Human factors and training needs analysis
  • Supportability and ARM