| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| CHURCH WATER INVESTMENT LIMITED | 10859956 | 11/07/2017 | One Red Flag |
| L9 INVESTMENT HOLDINGS GP LIMITED | SC480764 | 25/06/2014 | Silver |
| USS NERO LIMITED | 08756842 | 31/10/2013 | One Red Flag |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| GREEN OXFORD LIMITED | 10491280 | 22/11/2016 | 18/09/2019 | Silver |
| KEMBLE WATER EUROBOND PLC | 05957999 | 04/11/2022 | 08/07/2024 | Bronze |
| KEMBLE WATER FINANCE LIMITED | 05819317 | 04/11/2022 | 08/07/2024 | Amber |
| KEMBLE WATER HOLDINGS LIMITED | 05819262 | 04/11/2022 | 08/07/2024 | Amber |
| THAMES WATER LIMITED | 02366623 | 04/11/2022 | 08/07/2024 | Bronze |
| THAMES WATER UTILITIES HOLDINGS LIMITED | 06195202 | 04/11/2022 | 18/06/2024 | Amber |
| USS WESTERN LIMITED | 10455780 | 01/11/2016 | 30/07/2019 | Dissolved |