| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| AMALGAMATED POWER ENGINEERING LIMITED | 00926916 | 31/08/2015 | Not Trading |
| BRISTOL SIDDELEY ENGINES LIMITED | 00604105 | 31/08/2015 | Not Trading |
| BROWN BROTHERS & COMPANY, LIMITED | SC004965 | 31/08/2015 | Amber |
| C A PARSONS & COMPANY LIMITED | 00127619 | 31/08/2015 | Amber |
| COMPOSITE TECHNOLOGY AND APPLICATIONS LIMITED | 06604702 | 16/05/2018 | Dissolved |
| CROSSLEY PREMIER ENGINES (SALES) LIMITED | 00702440 | 31/08/2015 | Dissolved |
| DERBY SPECIALIST FABRICATIONS LIMITED | 01342511 | 31/08/2015 | Not Trading |
| HEATON POWER LIMITED | 01337756 | 31/08/2015 | Not Trading |
| JOHN THOMPSON COCHRAN LIMITED | SC012628 | 31/08/2015 | Not Trading |
| KINOLT UK LTD | 02450500 | 09/07/2024 | Not Trading |
| M.L. LIMITED | 04393245 | 27/09/2015 | Dissolved |
| MANSFIELD HOLDINGS LIMITED | 04786918 | 31/08/2015 | Dissolved |
| NEI ALLEN LIMITED | 00320825 | 31/08/2015 | Dissolved |
| NEI INTERNATIONAL COMBUSTION LIMITED | 00779404 | 31/08/2015 | Not Trading |
| NEI MINING EQUIPMENT LIMITED | 00342993 | 31/08/2015 | Not Trading |
| NEI NUCLEAR SYSTEMS LIMITED | 01334936 | 31/08/2015 | Strike Off |
| NEI PARSONS LIMITED | 00496477 | 31/08/2015 | Not Trading |
| NEI PEEBLES LIMITED | 00394452 | 31/08/2015 | Not Trading |
| NEI POWER PROJECTS LIMITED | 01343303 | 31/08/2015 | Not Trading |
| NO-BREAK POWER LIMITED | 02981134 | 09/07/2024 | Not Trading |
| R-R INDUSTRIAL CONTROLS LIMITED | 01339159 | 31/08/2015 | Strike Off |
| ROLLS LAVAL HEAT EXCHANGERS LIMITED | 02902683 | 31/08/2015 | Not Trading |
| ROLLS-ROYCE AERO ENGINE SERVICES LIMITED | 02830522 | 24/09/2015 | Not Trading |
| ROLLS-ROYCE COMMERCIAL AERO ENGINES LIMITED | 02868827 | 31/08/2015 | Not Trading |
| ROLLS-ROYCE CONTROLS AND DATA SERVICES LIMITED | 06686268 | 31/05/2024 | Not Trading |
| ROLLS-ROYCE ENGINE CONTROLS HOLDINGS LIMITED | 06684379 | 31/08/2015 | Dissolved |
| ROLLS-ROYCE FINANCE COMPANY LIMITED | 04339473 | 31/08/2015 | Not Trading |
| ROLLS-ROYCE GENERAL PARTNER LIMITED | 04066556 | 31/05/2024 | Not Trading |
| ROLLS-ROYCE INDIA LIMITED | 01423175 | 31/05/2024 | One Red Flag |
| ROLLS-ROYCE INDUSTRIAL & MARINE POWER LIMITED | 00345727 | 31/08/2015 | Amber |
| ROLLS-ROYCE INDUSTRIAL POWER (INDIA) LIMITED | 00472705 | 31/05/2024 | Amber |
| ROLLS-ROYCE MILITARY AERO ENGINES LIMITED | 02868832 | 31/08/2015 | Gold |
| ROLLS-ROYCE PLACEMENTS LIMITED | 04959288 | 31/05/2024 | Not Trading |
| SPARE IPG (AGL) LIMITED | 03875194 | 31/08/2015 | Dissolved |
| SPARE IPG 20 LIMITED | 00233766 | 31/08/2015 | Amber |
| SPARE IPG 21 LIMITED | 01342505 | 12/05/2017 | Not Trading |
| SPARE IPG 24 LIMITED | 00333922 | 31/08/2015 | Amber |
| SPARE IPG 30 LIMITED | 00924558 | 31/08/2015 | Dissolved |
| SPARE IPG 32 LIMITED | 00039045 | 31/08/2015 | Amber |
| SPARE IPG 4 LIMITED | 00184572 | 31/08/2015 | Not Trading |
| STONE VICKERS LIMITED | 01950590 | 31/08/2015 | Dissolved |
| THE BUSHING COMPANY LIMITED | 00239047 | 31/08/2015 | Amber |
| TIMEC 1487 LIMITED | 00167657 | 31/08/2015 | Not Trading |
| VINTERS DEFENCE SYSTEMS LIMITED | 00542023 | 31/08/2015 | Not Trading |
| VINTERS-ARMSTRONGS (ENGINEERS) LIMITED | 00542022 | 31/08/2015 | Not Trading |
| VINTERS-ARMSTRONGS LIMITED | 00227013 | 31/08/2015 | Not Trading |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| 02065665 LIMITED | 02065665 | 31/08/2015 | 10/03/2021 | Dissolved |
| A.F.C. WULTEX LIMITED | 01218401 | 31/08/2015 | 10/03/2021 | Dissolved |
| A.P.E. -ALLEN GEARS LIMITED | 00523604 | 31/08/2015 | 10/03/2021 | Dissolved |
| ALLEN POWER ENGINEERING LIMITED | 01189540 | 31/08/2015 | 10/03/2021 | Dissolved |
| DEESIDE TITANIUM LIMITED | 01401636 | 31/08/2015 | 10/03/2021 | Dissolved |
| HARTSHILL VENTURES LIMITED | 05783108 | 31/08/2015 | 04/03/2016 | Dissolved |
| JOHN HASTIE OF GREENOCK (HOLDINGS) LIMITED | 00678786 | 31/08/2015 | 10/03/2021 | Dissolved |
| JOHN THOMPSON 00315157 LIMITED | 00315157 | 31/08/2015 | 10/03/2021 | Dissolved |
| KAMEWA UK LIMITED | 00144747 | 31/08/2015 | 10/03/2021 | Dissolved |
| NEI ALLEN LIMITED | 00320825 | 31/08/2015 | 24/09/2015 | Dissolved |
| NEI COMBUSTION ENGINEERING LIMITED | 02208615 | 31/08/2015 | 10/03/2021 | Dissolved |
| NEI OVERSEAS HOLDINGS LIMITED | 01189545 | 31/08/2015 | 10/03/2021 | Strike Off |
| NEI SERVICES LIMITED | 00557902 | 31/08/2015 | 10/03/2021 | Dissolved |
| OPTIMIZED SYSTEMS AND SOLUTIONS LIMITED | 03694885 | 31/08/2015 | 10/03/2021 | Dissolved |
| OXYGENAIRE LIMITED | 00369927 | 31/08/2015 | 10/03/2021 | Dissolved |
| POWERFIELD SPECIALIST ENGINES LIMITED | 01783762 | 31/08/2015 | 10/03/2021 | Dissolved |
| RALLYSWIFT LIMITED | 03471289 | 31/08/2015 | 10/03/2021 | Dissolved |
| REYROLLE BELMOS LIMITED | SC022307 | 31/08/2015 | 14/10/2021 | Dissolved |
| ROLLS-ROYCE INDIA LIMITED | 01423175 | 31/08/2015 | 18/08/2020 | One Red Flag |
| ROLLS-ROYCE INDUSTRIAL & MARINE GAS TURBINES LIMITED | 02577740 | 31/08/2015 | 10/03/2021 | Dissolved |
| ROLLS-ROYCE INDUSTRIAL POWER (INDIA) LIMITED | 00472705 | 31/08/2015 | 18/08/2020 | Amber |
| ROLLS-ROYCE INDUSTRIAL POWER INVESTMENTS LIMITED | 00070210 | 31/08/2015 | 10/03/2021 | Dissolved |
| ROLLS-ROYCE INDUSTRIAL POWER SYSTEMS LIMITED | 03182451 | 31/08/2015 | 10/03/2021 | Dissolved |
| ROLLS-ROYCE TRANSMISSION & DISTRIBUTION LIMITED | 03182461 | 31/08/2015 | 10/03/2021 | Dissolved |
| SPARE IPG (CEL) LIMITED | 02901133 | 31/08/2015 | 10/03/2021 | Dissolved |
| SPARE IPG 11 LIMITED | 00570155 | 31/08/2015 | 10/03/2021 | Dissolved |
| SPARE IPG 15 LIMITED | 00558422 | 31/08/2015 | 10/03/2021 | Dissolved |
| SPARE IPG 18 LIMITED | 02116731 | 31/08/2015 | 10/03/2021 | Dissolved |
| SPARE IPG 22 LIMITED | 00647226 | 31/08/2015 | 10/03/2021 | Dissolved |
| SPARE IPG 27 LIMITED | SC002519 | 31/08/2015 | 14/10/2021 | Dissolved |
| SPARE IPG 28 LIMITED | 00073104 | 31/08/2015 | 10/03/2021 | Dissolved |
| SPARE IPG 3 LIMITED | 00390588 | 31/08/2015 | 10/03/2021 | Dissolved |
| VICKERS PRESSINGS LIMITED | 00266309 | 31/08/2015 | 10/03/2021 | Dissolved |
| VINTERS INTERNATIONAL LIMITED | 00542021 | 31/08/2015 | 18/08/2020 | Bronze |
| VINTERS LIMITED | 03517200 | 02/10/2017 | 18/08/2020 | Silver |
| WULTEX MACHINE COMPANY LIMITED | 00411438 | 31/08/2015 | 10/03/2021 | Dissolved |