| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Enviromation Ltd | 03200830 | 01/05/2001 | Dissolved |
| Erm - Enviroclean Ltd. | 02614988 | 01/05/2001 | Dissolved |
| Erm Asia Pacific Pty. Ltd. | 03768756 | 01/05/2001 | Dissolved |
| Erm Risk Ltd | 03768749 | 01/05/2001 | Dissolved |
| Erm Waste Management Ltd | 01156022 | 01/05/2001 | Dissolved |
| Four Elements Ltd | 02423019 | 01/05/2001 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Beachclock Ltd | 05359837 | 28/02/2005 | 20/02/2008 | Dissolved |
| DILIGEN LIMITED | 04441186 | 09/08/2005 | 20/02/2008 | Dissolved |
| ENVIRONMENTAL RESOURCES MANAGEMENT LIMITED | 01014622 | 28/01/2005 | 18/02/2008 | Silver |
| ENVIRONMENTAL RESOURCES MANAGEMENT LIMITED | 01014622 | 16/05/2002 | 18/02/2008 | Silver |
| ERM (OVERSEAS HOLDINGS) LIMITED | 03698847 | 21/03/2005 | 21/02/2006 | Bronze |
| ERM EURASIA LIMITED | 02451345 | 18/10/2005 | 30/11/2007 | Amber |
| ERM FINANCIAL SOLUTIONS LTD | 04643455 | 28/01/2005 | 20/02/2008 | Dissolved |
| ERM INTERNATIONAL SERVICES LIMITED | 03771741 | 01/01/2006 | 20/02/2008 | N/A |
| ERM INTERNATIONAL SERVICES LIMITED | 03771741 | 23/10/2006 | 18/02/2008 | N/A |
| ERM LIMITED | 03128071 | 21/03/2005 | 21/02/2006 | Silver |
| ERM OVERSEAS LIMITED | 01621654 | 18/10/2005 | 18/02/2008 | Dissolved |
| ERM OVERSEAS LIMITED | 01621654 | 01/05/2001 | 18/02/2008 | Dissolved |
| ERM-ASIA PACIFIC HOLDINGS, LIMITED | 03067139 | 21/03/2005 | 21/02/2006 | Gold |
| ERM-EUROPE,LTD | 02137137 | 21/03/2005 | 20/02/2008 | Bronze |
| Environmental Resources Ltd | 02874210 | 01/01/2006 | 20/02/2008 | Dissolved |
| INTERNATIONAL RISK MANAGEMENT SERVICES (UK) LTD | 03104490 | 01/01/2006 | 18/02/2008 | Dissolved |
| INTERNATIONAL RISK MANAGEMENT SERVICES (UK) LTD | 03104490 | 01/05/2001 | 28/06/2007 | Dissolved |
| THE ERM FOUNDATION | 05621200 | 14/11/2005 | 18/02/2008 | Gold |