| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Electro Silica Energy Ltd | 05375008 | 24/02/2005 | Dissolved |
| Electro Silica Energy Ventures Ltd | 05374989 | 24/02/2005 | Dissolved |
| Electro Silica Global Resources Ltd | 05375020 | 24/02/2005 | Dissolved |
| Electro Silica Group Ltd | 05286961 | 25/02/2005 | Dissolved |
| Electro Silica Holdings Ltd | 05383419 | 04/03/2005 | Dissolved |
| Electro Silica Micro Tech Ltd | 05375031 | 24/02/2005 | Dissolved |
| Electro Silica Resources Ltd | 05374999 | 24/02/2005 | Dissolved |
| Electro Silica Technology Ltd | 05375003 | 24/02/2005 | Dissolved |
| Metrocroft Consultants Ltd | 06300580 | 11/07/2007 | Dissolved |
| Metrocroft Consultants Ltd | 06300580 | 11/07/2007 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| 2 MAYFIELD ROAD MANAGEMENT LTD. | 05700280 | 14/01/2008 | 01/07/2008 | Silver |
| 2 MAYFIELD ROAD MANAGEMENT LTD. | 05700280 | 14/01/2008 | 01/07/2008 | Silver |
| ABLE TRADING LIMITED | 03325627 | 13/08/2007 | 31/10/2008 | Dissolved |
| ABLE TRADING LIMITED | 03325627 | 13/08/2007 | 31/10/2008 | Dissolved |
| DOME PETROLEUM RESOURCES LTD | 05454245 | 14/06/2006 | 14/06/2006 | Bronze |
| DOME PETROLEUM RESOURCES LTD | 05454245 | 17/05/2005 | 16/01/2007 | Bronze |
| NO.4 BLUNT ROAD LIMITED | 05585229 | 06/10/2005 | 20/06/2011 | Silver |
| Spur U K Ltd | 05525626 | 02/08/2005 | 02/08/2005 | Dissolved |
| Spur U K Ltd | 05525626 | 02/08/2005 | 02/08/2005 | Dissolved |
| VALECO LIMITED | 06333217 | 08/08/2007 | 31/10/2008 | Dissolved |
| VALECO LIMITED | 06333217 | 08/08/2007 | 31/10/2008 | Dissolved |
| WHARF RESOURCES LTD | 05497670 | 03/07/2005 | 03/07/2005 | Amber |