- ROLLS-ROYCE CONTROLS AND DATA SERVICES LIMITED- 06686268 - Incorporated on 2 September 2008 
- BENTLEY MOTOR EXPORT SERVICES LIMITEDActive - Proposal to Strike off- 01119185 - Incorporated on 20 June 1973 
- ITM POWER PLC- 05059407 - Incorporated on 1 March 2004 
- SCC POWER PLC- 14094520 - Incorporated on 9 May 2022 
- ROLLS-ROYCE COMMERCIAL AERO ENGINES LIMITED- 02868827 - Incorporated on 29 October 1993 
- ROYCE ENGINEERING LTDDisolved- 14227461 - Dissolved on 19 September 2023 
- ROLLS-ROYCE FUEL CELL SYSTEMS LIMITED- 04433075 - Incorporated on 8 May 2002 
- CBRE PIF (TITLE COMPANY) UK LIMITEDDisolved- 01045336 - Dissolved on 19 March 2024 
- WINS POWER PLCActive - Proposal to Strike off- 06913957 - Incorporated on 22 May 2009 
- AMTE POWER PLCIn Administration- 08490522 - Incorporated on 16 April 2013 
- POWERDAY PLC- 01509382 - Incorporated on 25 July 1980 
- PHANTOM WEDDING CARS LIMITEDActive - Proposal to Strike off- 13433682 - Incorporated on 2 June 2021 
- RAME POWER PLC- FC031779 - Incorporated on 14 November 2013 
- STOR POWER PLCDissolved- 07806630 - Dissolved on 3 June 2014 
- ROYCE & ROYCE LTDActive - Proposal to Strike off- 08240074 - Incorporated on 4 October 2012 
- ROLLS-ROYCE PENSION FUND TRUSTEES LIMITEDDissolved- 07741045 - Dissolved on 3 April 2018 
- ROLLS-ROYCE RETIREMENT SAVINGS TRUST LIMITED- 10597241 - Incorporated on 2 February 2017 
- ROLLS ENGINEERING LIMITEDActive - Proposal to Strike off- 04239872 - Incorporated on 22 June 2001 
- KHAN SELECT ROLLS ROYCE & BENTLEY LIMITEDDissolved- 07418213 - Dissolved on 12 June 2012 
- ROYCE POWER TRANSMISSIONS LIMITED- 01863432 - Incorporated on 14 November 1984