| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ANTIN INFRASTRUCTURE LIMITED | 08493245 | 17/04/2013 | Dissolved |
| ANTIN INFRASTRUCTURE PARTNERS (ENGLAND) GP LIMITED | 08589563 | 28/06/2013 | Dissolved |
| ANTIN INFRASTRUCTURE PARTNERS (SCOTLAND) GP LIMITED | SC453471 | 28/06/2013 | Silver |
| ANTIN INFRASTRUCTURE PARTNERS UK BRANCH | FC030733 | 12/04/2012 | Dissolved |
| CONNECT INFRASTRUCTURE TOPCO LIMITED | 11319944 | 19/04/2018 | Amber |
| FLORIDA BIDCO LIMITED | 09411345 | 28/01/2015 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ANTIN INFRASTRUCTURE PARTNERS UK LIMITED | 08492573 | 17/04/2013 | 07/11/2023 | Silver |
| CATS NORTH SEA LIMITED | 09250798 | 17/12/2015 | 30/01/2020 | Bronze |
| CONNECT INFRASTRUCTURE BIDCO LIMITED | 11320032 | 19/04/2018 | 16/07/2019 | Silver |
| KELLAS CATS LIMITED | 08021886 | 10/07/2014 | 30/01/2020 | Silver |
| KELLAS HOLDCO LIMITED | 09048742 | 20/05/2014 | 30/01/2020 | Dissolved |
| KELLAS MIDSTREAM LIMITED | 09048880 | 20/05/2014 | 30/01/2020 | Amber |
| KELLAS PARENTCO LIMITED | 09048865 | 20/05/2014 | 30/01/2020 | Dissolved |
| KELLAS TOPCO LIMITED | 09048713 | 20/05/2014 | 30/01/2020 | Gold |
| PORTERBROOK LEASING COMPANY LIMITED | 02912662 | 28/01/2009 | 21/10/2014 | Silver |
| PORTERBROOK LEASING MID COMPANY LIMITED | 07007965 | 03/09/2009 | 21/10/2014 | Silver |
| ROADCHEF BIDCO LIMITED | 09166191 | 09/09/2014 | 17/03/2022 | Bronze |
| ROADCHEF MIDCO LIMITED | 09166211 | 09/09/2014 | 17/03/2022 | Silver |
| ROADCHEF TOPCO LIMITED | 09166213 | 09/09/2014 | 17/03/2022 | Gold |
| WESTERLEIGH WGH LIMITED | 08250069 | 11/10/2012 | 19/12/2016 | One Red Flag |