| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BLACKBURN CONSULTING LIMITED | 10443028 | 24/10/2016 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| B O P LIMITED | 02025978 | 29/09/2009 | 06/04/2016 | Dissolved |
| CHLORINATION EQUIPMENT LIMITED | 00587683 | 17/09/2009 | 06/04/2016 | Dissolved |
| COPLASTIX LIMITED | 00939555 | 17/09/2009 | 06/04/2016 | Dissolved |
| HAYMILLS ENGINEERING LIMITED | 00148343 | 17/09/2009 | 06/04/2016 | Dissolved |
| MEMTECH (U.K.) LIMITED | 01706250 | 17/09/2009 | 06/04/2016 | Dissolved |
| PCI MEMBRANE SYSTEMS LIMITED | 00315984 | 17/09/2009 | 06/04/2016 | Dissolved |
| PORTACEL LIMITED | 00273244 | 17/09/2009 | 06/04/2016 | Dissolved |
| S. HOLDINGS LIMITED | 02379475 | 17/09/2009 | 06/04/2016 | Dissolved |
| SIMON N-VIRO LIMITED | 01674649 | 17/09/2009 | 06/04/2016 | Dissolved |
| STELLA-META FILTERS LIMITED | 00353449 | 29/09/2009 | 06/04/2016 | Dissolved |
| STOCKDALE FILTRATION SYSTEMS LIMITED | 00818807 | 29/09/2009 | 06/04/2016 | Dissolved |
| SUB-SCAN LIMITED | 02102834 | 17/09/2009 | 06/04/2016 | Dissolved |
| SUBTRONIC LIMITED | 01256106 | 17/09/2009 | 06/04/2016 | Dissolved |
| SURTA LIMITED | 01918188 | 17/09/2009 | 06/04/2016 | Dissolved |
| T M PRODUCTS LIMITED | 00587953 | 17/09/2009 | 06/04/2016 | Dissolved |
| THAMES PIPELINE SOLUTIONS LIMITED | 02469817 | 17/09/2009 | 06/04/2016 | Dissolved |
| THAMES WATER DORM 1 LIMITED | 02479675 | 17/09/2009 | 06/04/2016 | Dissolved |
| THAMES WATER ENVIRONMENTAL SERVICES LIMITED | 02334443 | 17/09/2009 | 06/04/2016 | Dissolved |
| THAMES WATER NOMINEES LIMITED | 02614522 | 30/06/2010 | 06/04/2016 | Dissolved |
| THAMES WATER PRODUCTS CASTINGS LTD. | 00316572 | 17/09/2009 | 06/04/2016 | Dissolved |
| THAMES WATER PRODUCTS COATINGS LTD. | 02293482 | 17/09/2009 | 06/04/2016 | Dissolved |
| THAMES WATER PRODUCTS FWT LTD. | 00231986 | 17/09/2009 | 06/04/2016 | Dissolved |
| THAMES WATER PRODUCTS LIMITED | 02249185 | 17/09/2009 | 06/04/2016 | Not Trading |
| THAMES WATER PRODUCTS OVERSEAS LIMITED | 00724065 | 17/09/2009 | 06/04/2016 | Dissolved |
| THAMES WATER PRODUCTS SGE LTD. | 01147810 | 17/09/2009 | 06/04/2016 | Dissolved |
| THAMES WATER PRODUCTS SH LIMITED | 00297150 | 17/09/2009 | 06/03/2016 | Dissolved |
| THAMES WATER PRODUCTS UPE LIMITED | 02056382 | 17/09/2009 | 06/04/2016 | Dissolved |
| THAMES WATER PRODUCTS UPEI LTD. | 02081406 | 17/09/2009 | 06/04/2016 | Dissolved |
| THAMES WATER RETAIL LIMITED | 05563884 | 25/02/2009 | 06/04/2016 | Dissolved |
| THAMES WATER SHARE SCHEME TRUSTEES LIMITED | 02403843 | 11/03/2009 | 06/04/2016 | Dissolved |
| THE WATER QUALITY CENTRE LIMITED | 02540328 | 17/09/2009 | 06/04/2016 | Dissolved |
| TOTAL PIPELINE SOLUTIONS LIMITED | 02423007 | 17/09/2009 | 06/04/2016 | Dissolved |