| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ENVOL INVESTMENTS LIMITED | 10138864 | 03/03/2017 | 21/02/2024 | One Red Flag |
| ENVOL MIDCO LIMITED | 10137972 | 03/03/2017 | 21/02/2024 | Bronze |
| HOUNSLOW HIGHWAYS INVESTMENT 2 LIMITED | 08114902 | 23/02/2015 | 01/02/2017 | Amber |
| HOUNSLOW HIGHWAYS INVESTMENT LIMITED | 08113663 | 23/02/2015 | 01/02/2017 | Bronze |
| HOUNSLOW HIGHWAYS SERVICES LIMITED | 08114900 | 23/02/2015 | 01/02/2017 | Bronze |
| ROAD MANAGEMENT CONSOLIDATED PLC | 03070488 | 24/06/2014 | 16/01/2017 | Silver |
| ROAD MANAGEMENT GROUP LIMITED | 02804119 | 24/06/2014 | 16/01/2017 | Silver |
| ROAD MANAGEMENT LIMITED | 02804114 | 24/06/2014 | 16/01/2017 | Amber |
| ROAD MANAGEMENT SERVICES (DARRINGTON) HOLDINGS LIMITED | 04612245 | 25/06/2014 | 10/01/2017 | Silver |
| ROAD MANAGEMENT SERVICES (DARRINGTON) LIMITED | 04612119 | 25/06/2014 | 10/01/2017 | Silver |
| ROAD MANAGEMENT SERVICES (FINANCE) PLC | 04608449 | 25/06/2014 | 10/01/2017 | Silver |
| ROAD MANAGEMENT SERVICES (GLOUCESTER) LIMITED | 03044569 | 24/06/2014 | 16/01/2017 | Silver |
| ROAD MANAGEMENT SERVICES (PETERBOROUGH) LIMITED | 02804122 | 24/06/2014 | 16/01/2017 | Silver |
| SHEPPEY ROUTE (HOLDINGS) LIMITED | 04918710 | 11/06/2014 | 01/02/2017 | Silver |
| SHEPPEY ROUTE LIMITED | 04918712 | 11/06/2014 | 01/02/2017 | Silver |
| SOB (GLOUCESTER) LIMITED | 03162578 | 24/06/2014 | 16/01/2017 | Dissolved |
| SOB (PETERBOROUGH) LIMITED | 03164062 | 24/06/2014 | 16/01/2017 | Dissolved |
| WODS TRANSMISSION HOLDCO LTD | 09308464 | 07/12/2015 | 27/09/2018 | Bronze |
| WODS TRANSMISSION PLC | 09309507 | 07/12/2015 | 27/09/2018 | Bronze |