| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BARNET HOSPITAL PROJECT LIMITED | 03677627 | 17/10/2001 | 15/11/2002 | Amber |
| BARNET LIGHTING SERVICES LIMITED | 05632957 | 17/02/2006 | 17/03/2009 | Bronze |
| CEMPIPE LIMITED | 03526677 | 27/03/2003 | 01/10/2003 | Dissolved |
| CHANNEL ENVIRONMENTAL SERVICES LIMITED | 02411759 | 14/10/2003 | 02/12/2004 | Dissolved |
| D W PROJECTS LIMITED | 02863517 | 29/11/2005 | 17/03/2009 | Not Trading |
| DAVID WEBSTER LIMITED | 00928643 | 29/11/2005 | 21/01/2009 | Not Trading |
| Deepcut Investments Ltd | 03482513 | 22/11/2001 | 29/01/2003 | Dissolved |
| Dywm Ltd | 03051009 | 14/10/2003 | 02/12/2004 | Dissolved |
| ECODRIVE LIMITED | 03176744 | 14/10/2003 | 02/12/2004 | Dissolved |
| ECOVERT GROUP LIMITED | 03240758 | 10/04/2001 | 02/12/2004 | Amber |
| ENFIELD LIGHTING SERVICES LIMITED | 05632167 | 17/02/2006 | 17/03/2009 | Bronze |
| EQUANS E&S INFRASTRUCTURE UK LIMITED | 00707875 | 29/11/2005 | 17/03/2009 | One Red Flag |
| EUROPLAND LIMITED | 03459155 | 17/10/2001 | 15/11/2002 | Bronze |
| Ecovert Management Ltd | 02297916 | 15/11/2001 | 21/01/2004 | Dissolved |
| Ecovert Services Ltd. | 03202537 | 14/10/2003 | 02/12/2004 | Dissolved |
| Ecovert South Ltd | 03014365 | 10/04/2001 | 02/12/2004 | Dissolved |
| Ecovert Wycombe Ltd | 02807487 | 10/04/2001 | 02/12/2004 | Dissolved |
| Industrial & Environmental Services Ltd | 02697054 | 14/10/2003 | 24/02/2005 | Dissolved |
| LAMBETH LIGHTING SERVICES LIMITED | 05075368 | 13/12/2005 | 17/03/2009 | Bronze |
| OPTIMUM INFORMATION SYSTEMS LIMITED | 02895316 | 29/01/2003 | 01/10/2003 | Dissolved |
| PIPEWAY LIMITED | 02097769 | 26/02/2003 | 01/10/2003 | Dissolved |
| REDCAR AND CLEVELAND LIGHTING SERVICES LIMITED | 05598521 | 02/07/2007 | 17/03/2009 | Bronze |
| SAUR (UK) LIMITED | 01990891 | 14/10/2003 | 24/02/2005 | Amber |
| SAUR SERVICES (GLASGOW) LIMITED | 03489046 | 14/10/2003 | 24/02/2005 | One Red Flag |
| SCOTIA WATER DALMUIR (HOLDINGS) LIMITED | 03726269 | 20/11/2003 | 23/05/2005 | Silver |
| SCOTIA WATER DALMUIR LIMITED | 03726270 | 20/11/2003 | 23/05/2005 | Silver |
| STALWART ENVIRONMENTAL SERVICES LIMITED | 02411877 | 14/10/2003 | 02/12/2004 | Dissolved |
| Saur Services Ltd | 03081578 | 14/10/2003 | 02/12/2004 | Dissolved |
| TREHIR DEVELOPMENT COMPANY LIMITED | 02146992 | 10/02/2003 | 29/07/2003 | Dissolved |