| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ANGLIAN WATER SERVICES FINANCING PLC | 04330322 | 02/08/2024 | Silver |
| ANGLIAN WATER SERVICES HOLDINGS LIMITED | 04330144 | 02/08/2024 | Gold |
| ANGLIAN WATER SERVICES LIMITED | 02366656 | 02/08/2024 | Bronze |
| ANGLIAN WATER SERVICES UK PARENT CO LIMITED | 11294507 | 02/08/2024 | Gold |
| NEXIA SOLUTIONS LIMITED | 06729401 | 26/01/2022 | Not Trading |
| NG BAILEY GROUP LIMITED | 01490238 | 01/08/2022 | Gold |
| UNITED KINGDOM NATIONAL NUCLEAR LABORATORY LIMITED | 03857752 | 26/01/2022 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| HITACHI ENERGY UK LIMITED | 02985756 | 23/11/2015 | 31/07/2022 | Silver |