| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| CHIZY'S SPYWARE LIMITED | 08387653 | 04/02/2013 | Dissolved |
| CLUFF & SONS LTD | 10129400 | 18/04/2016 | One Red Flag |
| CLUFF AFRICA COAL LIMITED | 07433904 | 22/06/2011 | Dissolved |
| CLUFF COAL LIMITED | 07849870 | 13/12/2011 | Dissolved |
| CLUFF ENERGY (SCOTLAND) LIMITED | SC460464 | 01/10/2013 | Dissolved |
| CLUFF OFFSHORE OIL LIMITED | 07036876 | 23/11/2009 | Dissolved |
| Cluff Oil (Africa) Ltd | 03587728 | 14/07/1998 | Dissolved |
| POURA GOLD LTD | 09925238 | 21/12/2015 | Dissolved |
| THE COMMONWEALTH INSTITUTE | 03736792 | 01/09/2008 | Dissolved |
| WINSTON OIL & RESOURCES LIMITED | 09113179 | 02/07/2014 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AMARA MINING (BURKINA) LIMITED | 03179606 | 29/05/1996 | 09/08/2012 | Dissolved |
| AMARA MINING (COTE D'IVOIRE) LIMITED | 05136012 | 29/07/2004 | 09/08/2012 | Bronze |
| AMARA MINING (MALI) LIMITED | 05629715 | 13/01/2006 | 09/08/2012 | Dissolved |
| AMARA MINING (SIERRA LEONE) LIMITED | 04842192 | 07/11/2003 | 09/08/2012 | Dissolved |
| AMARA MINING LIMITED | 04822520 | 20/05/2004 | 28/05/2012 | Amber |
| CENTRE FOR POLICY STUDIES LIMITED | 01174651 | 05/12/1995 | 01/03/2006 | Bronze |
| CLUFF AFRICA ASSOCIATES UK LTD | 07336170 | 01/10/2010 | 01/12/2010 | Dissolved |
| CLUFF GEOTHERMAL LIMITED | 07207283 | 31/03/2010 | 28/04/2014 | Dissolved |
| DELTIC ENERGY PLC | 07958581 | 21/02/2012 | 22/05/2019 | Amber |
| HENRY SOTHERAN,LIMITED | 00236725 | 14/06/1991 | 28/04/1994 | One Red Flag |
| MWANA MINING (ZIMBABWE) HOLDINGS LIMITED | 02391218 | 20/07/1999 | 31/12/2005 | Dissolved |
| NATIONAL ARMY MUSEUM FOUNDATION | 08391033 | 21/10/2013 | 25/04/2015 | Dissolved |
| RIDGE MINING LIMITED | 03549005 | 27/04/1998 | 04/05/2004 | Not Trading |
| Ridge Gold Mines Ltd | 03679822 | 10/12/1998 | 04/05/2004 | Dissolved |
| Ridge Mining (Uk) Ltd | 03165108 | 20/03/1996 | 04/05/2004 | Dissolved |
| SCO GROUP LTD | 08866005 | 29/01/2014 | 28/07/2023 | One Red Flag |
| SPECTATOR (1828) LIMITED(THE) | 01232804 | 14/06/1991 | 29/10/2004 | Bronze |
| THE COMMONWEALTH INSTITUTE | 03736792 | 17/03/1999 | 31/12/2007 | Dissolved |