| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| 2 ALBERT PARK (MONTPELIER) MANAGEMENT COMPANY LTD | 07066237 | 20/11/2009 | Silver |
| DERWEN CYMRU LIMITED | 03870765 | 27/06/2018 | Dissolved |
| DWR CYMRU CUSTOMER SERVICES LIMITED | 08114592 | 09/07/2012 | Dissolved |
| THAMES WATER PENSION TRUSTEES LIMITED | 02228533 | 05/11/2020 | Bronze |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ARLOES LIMITED | 07689032 | 11/09/2020 | 04/11/2024 | Two Red Flags |
| TARBED LIMITED | 06995481 | 01/04/2024 | 04/11/2024 | Silver |
| VEOLIA WATER OUTSOURCING LIMITED | 02518607 | 28/11/2007 | 20/10/2011 | Gold |
| VEOLIA WATER PROJECTS LIMITED | 02490118 | 29/09/2009 | 03/07/2012 | Gold |