| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BACTON STORAGE COMPANY LIMITED | 06827589 | 30/06/2009 | Dissolved |
| PERENCO CUU LONG LIMITED | 04740791 | 08/03/2012 | Gold |
| PERENCO ECUADOR HOLDINGS LIMITED | 08540286 | 22/05/2013 | Dissolved |
| PERENCO ENERGIES INTERNATIONAL LIMITED | SC061143 | 26/02/2010 | Silver |
| PERENCO GAS (UK) LIMITED | 00715529 | 26/02/2010 | Bronze |
| PERENCO HOLDINGS | 01568950 | 22/02/2010 | Silver |
| PERENCO NORTH SEA LIMITED | SC293676 | 28/03/2011 | Silver |
| PERENCO OIL AND GAS COLOMBIA LIMITED | 01789505 | 30/04/2014 | Gold |
| PERENCO UK LIMITED | 04653066 | 26/02/2010 | Bronze |
| PERENCO VIETNAM A.S. | FC031777 | 17/02/2014 | Bronze |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BATAVIA OIL RANG DONG LTD | 03716310 | 08/03/2012 | 20/08/2021 | Bronze |
| CENTRICA BAIRD LIMITED | 06655659 | 24/07/2008 | 16/09/2009 | Dissolved |
| PRYVEST LIMITED | 07846990 | 14/11/2011 | 02/07/2019 | Amber |