| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Cumulus Networks Ltd | 04767748 | 16/05/2003 | Dissolved |
| Innovative Leadership Ltd | 04580287 | 04/11/2002 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BROPHY ENTERPRISE LIMITED | 01001462 | 01/10/2001 | 07/11/2001 | Insolvent |
| BROPHY GROUNDS MAINTENANCE LIMITED | 04187040 | 24/09/2001 | 07/11/2001 | Not Trading |
| CAMBI UK LIMITED | 03679626 | 25/01/2000 | 01/07/2002 | Silver |
| COPLASTIX LIMITED | 00939555 | 30/04/1994 | 16/06/1994 | Dissolved |
| COPLASTIX LIMITED | 00939555 | 30/04/1994 | 23/02/1998 | Dissolved |
| PCI MEMBRANE SYSTEMS LIMITED | 00315984 | 01/01/2000 | 01/07/2002 | Dissolved |
| ROXSPUR MEASUREMENT & CONTROL LIMITED | 00881547 | 01/07/1992 | 01/06/1993 | Gold |
| STOCKDALE FILTRATION SYSTEMS LIMITED | 00818807 | 30/04/1994 | 16/08/1994 | Dissolved |
| STOCKDALE FILTRATION SYSTEMS LIMITED | 00818807 | 30/04/1994 | 23/02/1998 | Dissolved |
| Start Pilot Ltd | 00540916 | 21/06/1991 | 01/06/1993 | Dissolved |
| T M PRODUCTS LIMITED | 00587953 | 01/01/2000 | 01/07/2002 | Dissolved |
| THAMES WATER (UK) PENSION TRUSTEES LIMITED | 02426275 | 01/06/1997 | 30/06/2002 | Dissolved |
| THAMES WATER PRODUCTS CASTINGS LTD. | 00316572 | 26/07/2001 | 01/07/2002 | Dissolved |
| THAMES WATER PRODUCTS COATINGS LTD. | 02293482 | 26/07/2001 | 01/07/2002 | Dissolved |
| THAMES WATER PRODUCTS FWT LTD. | 00231986 | 26/07/2001 | 01/07/2002 | Dissolved |
| THAMES WATER PRODUCTS LIMITED | 02249185 | 01/01/2000 | 01/07/2002 | Not Trading |
| THAMES WATER PRODUCTS OVERSEAS LIMITED | 00724065 | 30/04/2000 | 01/07/2002 | Dissolved |
| THAMES WATER PRODUCTS SGE LTD. | 01147810 | 26/07/2001 | 01/07/2002 | Dissolved |
| THAMES WATER PRODUCTS SH LIMITED | 00297150 | 30/04/1994 | 16/08/1994 | Dissolved |
| THAMES WATER PRODUCTS SH LIMITED | 00297150 | 08/11/1993 | 23/02/1998 | Dissolved |
| THAMES WATER PRODUCTS UPE LIMITED | 02056382 | 27/07/2001 | 01/07/2002 | Dissolved |
| THAMES WATER PRODUCTS UPEI LTD. | 02081406 | 26/07/2001 | 01/07/2002 | Dissolved |
| Thames Water Products Upec Ltd. | 02784771 | 26/07/2001 | 01/07/2002 | Dissolved |
| Thames Water Products Upeg Ltd. | 03103572 | 26/07/2001 | 01/07/2002 | Dissolved |
| Thames Water Products Worldwide Ltd | 02740846 | 26/07/2001 | 01/07/2002 | Dissolved |
| WATER INNOVATE LIMITED | 05002719 | 30/03/2007 | 04/11/2010 | Dissolved |
| WATER INNOVATE LIMITED | 05002719 | 26/04/2005 | 04/11/2010 | Dissolved |
| WHEELRIGHT LIMITED | 05114111 | 30/09/2004 | 21/04/2006 | Amber |
| WHEELRIGHT LIMITED | 05114111 | 30/09/2004 | 26/07/2024 | Amber |