| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| PORTERBROOK INVESTMENTS II LIMITED | 07664052 | 27/01/2015 | Dissolved |
| PORTERBROOK INVESTMENTS III LIMITED | 07664057 | 27/01/2015 | Dissolved |
| RAILWAY SERVICES LIMITED | 13716568 | 01/11/2021 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| PORTERBROOK HOLDINGS II LIMITED | 09251181 | 27/01/2015 | 01/09/2021 | Silver |
| PORTERBROOK INVESTMENTS I LIMITED | 06700588 | 27/01/2015 | 01/09/2021 | Gold |
| PORTERBROOK LEASING ASSET COMPANY LIMITED | 00635030 | 01/10/2008 | 01/09/2021 | Silver |
| PORTERBROOK LEASING COMPANY LIMITED | 02912662 | 01/05/2007 | 01/09/2021 | Silver |
| PORTERBROOK LEASING MID COMPANY LIMITED | 07007965 | 03/09/2009 | 01/09/2021 | Silver |
| PORTERBROOK MAINTENANCE LIMITED | 03657463 | 01/05/2007 | 01/09/2021 | Silver |
| PORTERBROOK MARCH LEASING (4) LIMITED | 02682768 | 21/10/2008 | 01/09/2021 | Silver |