| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ROCK RAIL EAST ANGLIA (HOLDINGS) 1 LIMITED | 10266130 | 30/06/2024 | Amber |
| ROCK RAIL EAST ANGLIA (HOLDINGS) 2 LIMITED | 09918883 | 30/06/2024 | One Red Flag |
| ROCK RAIL EAST ANGLIA PLC | 10360543 | 30/06/2024 | Amber |
| ROCK RAIL MAIN-WESER HOLDCO LIMITED | 14027835 | 30/06/2024 | Bronze |
| ROCK RAIL MAIN-WESER PARENT LIMITED | 14027776 | 30/06/2024 | Bronze |
| ROCK RAIL MOORGATE (HOLDINGS) LIMITED | 09978017 | 30/06/2024 | Amber |
| ROCK RAIL MOORGATE PLC | 09978049 | 30/06/2024 | Amber |
| ROCK RAIL SOUTH WESTERN (HOLDINGS) 1 LIMITED | 10749688 | 30/06/2024 | Silver |
| ROCK RAIL SOUTH WESTERN (HOLDINGS) 2 LIMITED | 10752611 | 30/06/2024 | One Red Flag |
| ROCK RAIL SOUTH WESTERN PLC | 10754652 | 30/06/2024 | Silver |
| ROCK RAIL WEST COAST (HOLDINGS) 1 LIMITED | 12240357 | 30/06/2024 | Silver |
| ROCK RAIL WEST COAST (HOLDINGS) 2 LIMITED | 12240463 | 30/06/2024 | One Red Flag |
| ROCK RAIL WEST COAST PLC | 12240504 | 30/06/2024 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| HULL TRAINS COMPANY LIMITED | 03715410 | 27/03/2023 | 04/08/2023 | Gold |