| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BIRCHPOINT NO. 1 | 03455575 | 29/08/2008 | Dissolved |
| UNITED UTILITIES INTERNATIONAL LIMITED | 02344587 | 29/08/2008 | Gold |
| UNITED UTILITIES ONE LIMITED | 03308286 | 26/04/2010 | Dissolved |
| UNITED UTILITIES UTILITY SOLUTIONS (INDUSTRIAL) LIMITED | 04204293 | 29/04/2011 | Gold |
| UNITED UTILITIES WATER FINANCE PLC | 09227416 | 07/11/2014 | Silver |
| UNITED UTILITIES WATER OPERATIONS HOLDINGS LIMITED | 06340357 | 29/04/2011 | Dissolved |
| UU SECRETARIAT LIMITED | 03333298 | 27/10/2003 | Not Trading |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|