Private company

Rolls-Royce Marine Power Operations

Submarine nuclear power subsidiary of Rolls-Royce Holdings

Rolls-Royce Submarines, a subsidiary of Rolls-Royce, operates three sites licensed to handle nuclear material, two of which are at Raynesway in Derby, and the other at Vulcan Naval Reactor Test Establishment near Dounreay (now decommissioning). The Manufacturing Site was licensed in August 1960 and deals with processing of uranium fuel and the fabrication of Rolls-Royce PWR nuclear reactors and cores for Royal Navy submarines, such as the new Dreadnought class and SSN-AUKUS.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 20, 2026.

Overview

1960Founded1
  • Industrynuclear power1

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Rolls-Royce Submarines, a subsidiary of Rolls-Royce, operates three sites licensed to handle nuclear material, two of which are at Raynesway in Derby, and the other at Vulcan Naval Reactor Test Establishment near Dounreay (now decommissioning). The Manufacturing Site was licensed in August 1960 and deals with processing of uranium fuel and the fabrication of Rolls-Royce PWR nuclear reactors and cores for Royal Navy submarines, such as the new Dreadnought class and SSN-AUKUS. The Neptune/Radioactive Components Facility Site was licensed in November 1961 and houses the Neptune test reactor which2

Corporate structure

Rolls-Royce Marine Power Operations is part of a group headed by Rolls-Royce. 77 entities, 21 countries on record. Switch between the flow chart and the network, and select any entity to see its details.

  • Rolls-Royce London, United Kingdom
    • ROLLS-ROYCE & PARTNERS FINANCE LIMITED London, United Kingdom
    • Rolls-Royce Limited London, United Kingdom
      • Rolls-Royce Controls and Data Services London, United Kingdom
        • AQD CONTROLS AND DATA SERVICES (NZ) LIMITED Subsidiary · Auckland, New Zealand
      • ROLLS-ROYCE OVERSEAS HOLDINGS LIMITED Derby, United Kingdom
        • BIRD-JOHNSON PROPELLER COMPANY, LLC Subsidiary · Wilmington, Delaware, United States
        • NIGHTINGALE INSURANCE LIMITED Subsidiary · St. Peter Port, Guernsey
        • ROLLS-ROYCE AUSTRALIA SERVICES PTY LIMITED Subsidiary · Sydney, Australia
        • ROLLS-ROYCE CROSSPOINTE LLC Subsidiary · Wilmington, Delaware, United States
        • ROLLS-ROYCE INDIA PRIVATE LIMITED Subsidiary · New Delhi, India
        • ROLLS-ROYCE NORTH AMERICA INC. Subsidiary · Wilmington, Delaware, United States
        • ROLLS-ROYCE SINGAPORE PTE. LTD. Subsidiary · Singapore, Singapore
      • EUROPEA MICROFUSIONI AEROSPAZIALI S.P.A. Subsidiary · Morra De Sanctis, Italy
      • ROLLS-ROYCE CANADA LIMITEE (ROLLS-ROYCE CANADA LIMITÉE) Subsidiary · Lachine, Quebec, Canada
      • ROLLS-ROYCE DEUTSCHLAND LTD & CO KG Subsidiary · Blankenfelde-Mahlow, Germany
      • ROLLS-ROYCE ELECTRICAL NORWAY AS Subsidiary · Trondheim, Norway
      • ROLLS-ROYCE FUEL CELL SYSTEMS LIMITED Subsidiary · Derby, United Kingdom
      • ROLLS-ROYCE INTERNATIONAL LIMITED Subsidiary · Derby, United Kingdom
      • ROLLS-ROYCE POWER ENGINEERING LIMITED Subsidiary · Derby, United Kingdom
      • ROLLS-ROYCE SMR LIMITED Subsidiary · Derby, United Kingdom
      • ROLLS-ROYCE SUBMARINES LIMITED Subsidiary · Derby, United Kingdom
      • TRT LIMITED Subsidiary · Alfreton, United Kingdom
      • TURBINE SURFACE TECHNOLOGIES LIMITED Subsidiary · Annesley, United Kingdom
      • VINTERS ENGINEERING LIMITED Subsidiary · Derby, United Kingdom
        • ROSS CERAMICS LIMITED Subsidiary · Derby, United Kingdom
        • VINTERS INTERNATIONAL LIMITED Subsidiary · Derby, United Kingdom
          • 2 more
      • YOCOVA PTE. LTD. Subsidiary · Downtown, Singapore
      • INDUSTRIA DE TURBO PROPULSORES SA Branch · Zamudio, Spain
        • ITP ENGINES UK LIMITED Subsidiary · Leicester, United Kingdom
      • ROLLS-ROYCE ANCILLARY BENEFITS PLAN Fund · London, United Kingdom
    • Rolls-Royce Marine Power Operations
    • Rolls-Royce Power Systems Friedrichshafen, Germany
      • Woodward L'Orange GmbH Subsidiary · Stuttgart
      • L'Orange GmbH Subsidiary · Stuttgart, Germany
      • MTU POLSKA SPOLKA Z OGRANICZONA ODPOWIEDZIALNOSCIA (MTU POLSKA SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ) Subsidiary · Warszawa, Poland
      • ROLLS-ROYCE SOLUTIONS ASIA PTE. LTD. Subsidiary · Singapore, Singapore
      • Rolls-Royce Solutions Augsburg GmbH Subsidiary · Augsburg, Germany
      • Rolls-Royce Solutions Benelux B.V. Subsidiary · Dordrecht, Netherlands
      • ROLLS-ROYCE SOLUTIONS FRANCE Subsidiary · Beauchamp, France
      • Rolls-Royce Solutions Hong Kong Limited Subsidiary · Hong Kong, Hong Kong
      • ROLLS-ROYCE SOLUTIONS ITALIA S.R.L. Subsidiary · Arcola, Italy
      • Rolls-Royce Solutions Magdeburg GmbH Subsidiary · Magdeburg, Germany
      • Rolls-Royce Solutions Ruhstorf GmbH Subsidiary · Ruhstorf, Germany
      • ROLLS-ROYCE SOLUTIONS UK LIMITED Subsidiary · Derby, United Kingdom
      • rwlz- rwys swlywshnz mydl ayst m m h (رولز- رويس سوليوشنز ميدل ايست م م ح) Subsidiary · Dubai, United Arab Emirates
      • ロールス・ロイス・ソリューションズ・ジャパン株式会社 Subsidiary · 大阪市, Japan
    • Amalgamated Power Engineering Subsidiary
    • Atacama Audio Subsidiary
    • Bristol Siddeley Subsidiary · Filton
    • ITP Aero Subsidiary · Zamudio
    • Kamewa Subsidiary · Karlstad
    • MTU Friedrichshafen Subsidiary · Friedrichshafen, Germany
    • MTU Turbomeca Rolls-Royce Subsidiary · Hallbergmoos
    • Rolls-Royce Deutschland Subsidiary · Berlin
    • Rolls-Royce India Subsidiary
    • Rolls-Royce North America Subsidiary · Wilmington, Delaware, United States
    • Turbo-Union Subsidiary · Derby
    • AirTanker Services Limited Stake · 22% · AirTanker Hub
    • AERO GEARBOX INTERNATIONAL POLAND SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ Subsidiary · Ropczyce, Poland
    • Bergen Engines Subsidiary · Norway
    • GENISTICS LIMITED Subsidiary · Derby, United Kingdom
    • PKMJ TECHNICAL SERVICES, INC. Subsidiary · Pittsburgh, Pennsylvania, United States
    • ROLLS - ROYCE POLAND SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ Subsidiary · Gniew, Poland
    • Rolls-Royce (Canada) Subsidiary · Canada
    • Rolls-Royce (Norway) Subsidiary · Norway
    • Rolls-Royce (Sweden) Subsidiary · Sweden
    • ROLLS-ROYCE AB Subsidiary · Kristinehamn, Sweden
    • and 6 more

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); subsidiaries, stakes and holdings from Wikidata (CC0). Each entity in the chart links to its source.

Products and brands

  • nuclear reactor

Listed on Wikidata.1

Subsidiaries and ownership

Parent company

From Wikidata.1

Timeline

  1. 1960Founded Founded1

Sources

The numbers on this page point here. Each one links to the record it came from.

  1. 1
  2. 2