| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BIRMINGHAM BUSWORKS LIMITED | 13286313 | 23/03/2021 | Bronze |
| BIRMINGHAM CITY TRANSPORT LIMITED | 11308120 | 01/10/2019 | One Red Flag |
| BUSES UNLIMITED LIMITED | 14400377 | 05/10/2022 | Silver |
| BUSMAPPER LIMITED | 12901276 | 24/09/2020 | Dissolved |
| Driver Express Ltd | 03398485 | 11/08/1997 | Dissolved |
| THE BLUE OMNIBUS COMPANY LIMITED | SC720850 | 25/01/2022 | Dissolved |
| THE GREEN BUS COMPANY LIMITED | 06767923 | 27/07/2009 | Bronze |
| THE GREEN MINIBUS COMPANY LIMITED | 13369921 | 30/04/2021 | Dissolved |
| THE GREEN OMNIBUS COMPANY LIMITED | 06342493 | 14/08/2007 | Dissolved |
| THE GREEN TRANSPORT COMPANY LIMITED | 05456298 | 19/05/2005 | One Red Flag |
| The Birmingham & Midland Motor Omnibus Co Ltd | 03552676 | 01/05/1998 | Dissolved |
| The Birmingham & Midland Motor Omnibus Co Ltd | 03552676 | 01/05/1998 | Dissolved |
| The Green Bus | 05672476 | 11/01/2006 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| West Midlands Mainline Ltd | 03276099 | 12/11/1996 | 15/12/1998 | Dissolved |