| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Deepcut Investments Ltd | 03482513 | 22/11/2001 | 29/01/2003 | Dissolved |
| ECOVERT GROUP LIMITED | 03240758 | 28/06/2001 | 02/12/2004 | Amber |
| EQUANS E&S SOLUTIONS LIMITED | 04243192 | 18/07/2001 | 17/07/2002 | Silver |
| Ecovert Management Ltd | 02297916 | 15/11/2001 | 21/01/2004 | Dissolved |
| Ecovert South Ltd | 03014365 | 28/06/2001 | 02/12/2004 | Dissolved |
| Ecovert Wycombe Ltd | 02807487 | 28/06/2001 | 02/12/2004 | Dissolved |
| OPTIMUM INFORMATION SYSTEMS LIMITED | 02895316 | 29/01/2003 | 01/10/2003 | Dissolved |
| PIPEWAY LIMITED | 02097769 | 14/03/1997 | 04/07/2003 | Dissolved |
| SAUR (UK) LIMITED | 01990891 | 19/12/2000 | 31/03/2008 | One Red Flag |
| SCOTIA WATER DALMUIR (HOLDINGS) LIMITED | 03726269 | 27/04/1999 | 17/01/2001 | Silver |
| SCOTIA WATER DALMUIR LIMITED | 03726270 | 27/04/1999 | 17/01/2001 | Silver |
| SOUTH EAST WATER LIMITED | 02679874 | 25/01/2001 | 01/10/2003 | One Red Flag |
| SOUTHERN UTILITIES (HOLDINGS) LIMITED | 02049449 | 25/01/2001 | 01/10/2003 | Not Trading |
| STEREAU (UK) LIMITED | 02563151 | 20/06/1997 | 01/05/2001 | One Red Flag |