| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ABERDEEN ENVIRONMENTAL SERVICES (HOLDINGS) LIMITED | SC206235 | 01/09/2024 | Amber |
| ABERDEEN ENVIRONMENTAL SERVICES LIMITED | SC202555 | 01/09/2024 | Amber |
| ABERDEEN HOLDCO LIMITED | 09526492 | 01/09/2024 | Amber |
| ALANDES ASSOCIATES LIMITED | SC388235 | 04/11/2010 | Dissolved |
| BRAINTREE CLINICAL SERVICES LTD | 07015937 | 19/05/2014 | Dissolved |
| INTEGRATED CLINICAL SERVICES LIMITED | 07935395 | 19/05/2014 | Dissolved |
| SCOTTISH WATER INTERNATIONAL LIMITED | SC415570 | 01/09/2024 | Silver |
| SCOTTISH WATER LIMITED | SC207004 | 01/09/2024 | Silver |
| SCOTTISH WATER RETAIL LIMITED | SC271640 | 01/09/2024 | Silver |
| SCOTTISH WATER UTILITIES LIMITED | SC271639 | 01/09/2024 | Silver |
| SCOTTISH WATER WHOLESALE LIMITED | SC271641 | 01/09/2024 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| KEMBLE HOLDINGS LIMITED | FC028998 | 02/10/2023 | 30/01/2024 | Silver |
| MERSEYRAIL SERVICES HOLDING COMPANY LIMITED | 04620520 | 06/12/2017 | 07/12/2021 | Silver |
| MILTON PARK HOLDINGS LIMITED | FC028997 | 02/10/2023 | 30/01/2024 | Bronze |
| MOVILLE HOLDINGS LIMITED | FC028996 | 02/10/2023 | 30/01/2024 | Amber |
| NORTHERN RAIL HOLDINGS LIMITED | 04007719 | 06/12/2017 | 31/12/2022 | Dissolved |
| SERCO LISTENING COMPANY LIMITED | 03651678 | 02/08/2018 | 31/12/2022 | Gold |
| VIVO DEFENCE SERVICES LIMITED | 11952167 | 17/04/2019 | 19/12/2022 | Silver |