| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| EVOLUTIONARY RAIL LIMITED | 07153323 | 01/12/2020 | Amber |
| FIRST GREATER WESTERN LIMITED | 05113733 | 01/06/2020 | Silver |
| FIRST MTR SOUTH WESTERN TRAINS LIMITED | 07900320 | 10/07/2017 | Bronze |
| FIRST RAIL (COMMUTER) LIMITED | 08485758 | 10/04/2024 | Dissolved |
| FIRST RAIL HOLDINGS LIMITED | 05154485 | 01/06/2020 | Silver |
| FIRST TRANSPENNINE EXPRESS LIMITED | 09111801 | 01/06/2020 | Amber |
| FIRST TRENITALIA EAST MIDLANDS RAIL LIMITED | 10557872 | 01/06/2020 | Dissolved |
| FIRST TRENITALIA WEST COAST RAIL LIMITED | 10349442 | 01/06/2020 | Silver |
| FK CROSS LONDON LIMITED | 15530283 | 28/02/2024 | Amber |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| FIRST CUSTOMER CONTACT LIMITED | 07939526 | 01/06/2020 | 14/09/2020 | One Red Flag |