| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| GRIFFIN MARKETS GROUP LIMITED | 07706155 | 21/09/2011 | Silver |
| GRIFFIN MARKETS LIMITED | 07681649 | 11/09/2011 | Gold |
| GRIFFIN MARKETS PRODUCTS LIMITED | 07969365 | 29/02/2012 | Dissolved |
| GRIFFIN MARKETS SERVICES LIMITED | 07706648 | 21/09/2011 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| 4GP LEASES LIMITED | 04195718 | 23/05/2006 | 23/03/2011 | Dissolved |
| ENERGY EXCHANGE INTERNATIONAL LTD | 03938309 | 01/06/2010 | 23/03/2011 | Dissolved |
| IMAREX OIL UK LIMITED | 06143453 | 01/06/2010 | 23/03/2011 | Dissolved |
| KMR LIMITED | 03697507 | 01/06/2010 | 23/03/2011 | Dissolved |
| LEBA LIMITED | 06617701 | 22/09/2010 | 24/05/2011 | Bronze |
| LONDON ENERGY EXCHANGE LIMITED | 03938312 | 01/06/2010 | 23/03/2011 | Dissolved |
| MAREX SPECTRON INTERNATIONAL LIMITED | 03938219 | 23/05/2006 | 23/03/2011 | Gold |
| SPECTRON COMMODITIES LTD. | 03190221 | 24/05/2006 | 23/03/2011 | Dissolved |
| SPECTRON EMETALS LIMITED | 03531881 | 01/06/2010 | 23/03/2011 | Dissolved |
| SPECTRON ENERGY EXCHANGE LTD | 03938505 | 01/06/2010 | 23/03/2011 | Dissolved |
| SPECTRON FUTURES LIMITED | 02360762 | 01/06/2010 | 23/03/2011 | Dissolved |
| SPECTRON METALS LTD | 03938310 | 01/06/2010 | 23/03/2011 | Dissolved |
| SPECTRON OIL LIMITED | 03938224 | 01/06/2010 | 23/03/2011 | Dissolved |
| SPECTRON SERVICES LIMITED | 03697505 | 23/05/2006 | 23/03/2011 | Amber |
| UK ENERGY EXCHANGE LIMITED | 03938508 | 01/06/2010 | 23/03/2011 | Dissolved |