| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| GWI WESTERN EUROPE LIMITED | 15522545 | 26/02/2024 | Amber |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| EAST COAST MAIN LINE COMPANY LIMITED | 04659708 | 27/01/2016 | 28/05/2019 | Insolvent |
| EAST MIDLANDS TRAINS LIMITED | 05340682 | 17/09/2007 | 14/03/2012 | Insolvent |
| FORMER IRO | 03923542 | 01/01/2011 | 31/10/2012 | Dissolved |
| METROLINK RATP DEV LIMITED | 05589171 | 30/07/2010 | 01/08/2011 | Silver |
| MIDLAND MAIN LINE LIMITED | 03007934 | 10/11/2003 | 13/05/2005 | Not Trading |
| NE NO.2 LTD | 03011029 | 16/11/2001 | 11/11/2003 | Not Trading |
| NETWORK RAIL INTERNATIONAL LIMITED | 02938978 | 01/01/2022 | 17/08/2023 | Bronze |
| RAIL FORUM | 06832230 | 03/03/2009 | 02/01/2012 | Bronze |
| SOUTH YORKSHIRE SUPERTRAM LIMITED | 02634683 | 04/02/2016 | 20/05/2019 | One Red Flag |
| SOUTH YORKSHIRE SUPERTRAM OPERATING COMPANY LIMITED | 02754366 | 30/07/2010 | 17/02/2012 | Dissolved |
| STAGECOACH RAIL HOLDINGS LIMITED | SC190288 | 23/10/2009 | 31/05/2019 | Bronze |
| STAGECOACH RAIL OPERATIONS LIMITED | 09086567 | 22/01/2018 | 31/05/2019 | Dissolved |
| STAGECOACH RAIL PROJECTS LIMITED | 08377772 | 22/01/2018 | 31/05/2019 | Dissolved |
| STAGECOACH SOUTH WEST LIMITED | 09766658 | 04/02/2016 | 31/05/2019 | Dissolved |
| STAGECOACH SUPERTRAM MAINTENANCE LTD. | 02032602 | 30/07/2010 | 17/02/2012 | Bronze |
| THE BRIGHTON BELLE TRAIN LIMITED | 09744645 | 19/12/2016 | 08/10/2018 | Not Trading |