| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| DILIGEN LIMITED | 04441186 | 05/12/2002 | Dissolved |
| ERM FINANCIAL SOLUTIONS LTD | 04643455 | 21/01/2003 | Dissolved |
| ERM OVERSEAS LIMITED | 01621654 | 06/12/1999 | Dissolved |
| Enviromation Ltd | 03200830 | 06/12/1999 | Dissolved |
| Erm - Enviroclean Ltd. | 02614988 | 06/12/1999 | Dissolved |
| Erm Asia Pacific Pty. Ltd. | 03768756 | 06/12/1999 | Dissolved |
| Erm Risk Ltd | 03768749 | 06/12/1999 | Dissolved |
| Erm Waste Management Ltd | 01156022 | 06/12/1999 | Dissolved |
| Four Elements Ltd | 02423019 | 06/12/1999 | Dissolved |
| INTERNATIONAL RISK MANAGEMENT SERVICES (UK) LTD | 03104490 | 12/10/1999 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| E R L Environmental Resources Ltd | 02216105 | 06/12/1999 | 01/05/2001 | Dissolved |
| ENVIRONMENTAL RESOURCES MANAGEMENT LIMITED | 01014622 | 05/04/1994 | 28/01/2005 | Bronze |
| ERM EURASIA LIMITED | 02451345 | 06/12/1999 | 01/05/2001 | Amber |
| ERM INTERNATIONAL SERVICES LIMITED | 03771741 | 06/12/1999 | 20/04/2000 | N/A |
| ERM LIMITED | 03128071 | 01/05/2001 | 21/02/2006 | Silver |
| ERM-ASIA PACIFIC HOLDINGS, LIMITED | 03067139 | 20/01/2000 | 21/02/2006 | Gold |
| ERM-EUROPE,LTD | 02137137 | 20/01/2000 | 21/03/2005 | One Red Flag |
| Environmental Holdings Ltd | 01748103 | 06/12/1999 | 01/05/2001 | Dissolved |
| Environmental Performance Technologies Ltd | 03765461 | 06/05/1999 | 02/03/2001 | Dissolved |
| Environmental Resource Management Ltd | 02880493 | 06/12/1999 | 01/05/2001 | Dissolved |
| Environmental Resources Ltd | 02874210 | 06/12/1999 | 01/05/2001 | Dissolved |
| Environmental Resources Management (Scotland) Ltd | SC147214 | 06/12/1999 | 01/05/2001 | Dissolved |
| Erm Energy Ltd | 01188219 | 06/12/1999 | 01/05/2001 | Dissolved |
| Erm Management Systems Ltd | 01952801 | 06/12/1999 | 01/05/2001 | Dissolved |
| Erm Planning Ltd | 02540823 | 06/12/1999 | 01/05/2001 | Dissolved |
| Erm Social Strategies Ltd | 01782985 | 06/12/1999 | 01/05/2001 | Dissolved |
| Four Elements (Holdings & Management) Ltd | 02423021 | 06/12/1999 | 01/05/2001 | Dissolved |
| Resource Management International Ltd | 01589507 | 06/12/1999 | 01/05/2001 | Dissolved |