| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ARRIVA RAIL NORTH LIMITED | 04337712 | 03/12/2015 | Amber |
| ARRIVA SOUTH EASTERN RAIL LIMITED | 06938889 | 10/08/2016 | Not Trading |
| ARRIVA TRAINS HOLDINGS LIMITED | 03076782 | 01/01/2012 | Silver |
| ARRIVA TRAINS WALES/TRENAU ARRIVA CYMRU LIMITED | 04337645 | 30/06/2006 | Gold |
| ARRIVA UK TRAINS LIMITED | 03166214 | 01/10/2011 | Silver |
| GREAT NORTH WESTERN RAILWAY COMPANY LIMITED | 06938935 | 10/08/2016 | Dissolved |
| M40 TRAINS LIMITED | 03005018 | 01/01/2012 | Silver |
| MTL SERVICES LIMITED | 03630737 | 10/08/2016 | Bronze |
| REGIO TYNE AND WEAR LIMITED | 06733214 | 01/01/2012 | Strike Off |
| WREXHAM SHROPSHIRE & MARYLEBONE RAILWAY COMPANY LIMITED | 05970112 | 21/05/2012 | Not Trading |
| WSMR (HOLDINGS) LIMITED | 05970324 | 21/05/2012 | Not Trading |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ARRIVA RAIL LO LIMITED | 04165863 | 10/08/2016 | 19/12/2024 | Not Trading |
| ARRIVA RAIL LONDON LIMITED | 04165861 | 23/03/2016 | 03/12/2020 | Silver |
| ARRIVA TREASURY COMPANY LIMITED | 04170250 | 10/08/2016 | 15/11/2023 | Not Trading |
| GRAND CENTRAL RAILWAY COMPANY LIMITED | 03979826 | 04/11/2011 | 03/12/2020 | Silver |
| LONDON AND NORTH WESTERN RAILWAY COMPANY LIMITED | 02880012 | 17/11/2008 | 03/12/2020 | Gold |
| THE CHILTERN RAILWAY COMPANY LIMITED | 03007939 | 01/01/2012 | 03/12/2020 | Silver |
| XC TRAINS LIMITED | 04402048 | 01/10/2013 | 03/12/2020 | One Red Flag |