| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ENSCO CAPITAL LIMITED | FC029695 | 06/08/2013 | 31/01/2021 | One Red Flag |
| ENSCO DEEPWATER DRILLING LIMITED | 08524375 | 06/08/2013 | 24/04/2017 | Bronze |
| ENSCO ENDEAVORS LIMITED | FC031147 | 29/07/2014 | 31/01/2021 | One Red Flag |
| ENSCO FINANCE LIMITED | 07098459 | 06/08/2013 | 26/04/2017 | Dissolved |
| ENSCO GLOBAL LIMITED | FC030548 | 07/08/2013 | 19/04/2017 | One Red Flag |
| ENSCO GLOBAL RESOURCES LIMITED | 07098531 | 06/08/2013 | 25/04/2017 | Dissolved |
| ENSCO HOLDCO LIMITED | 06962983 | 19/08/2013 | 21/04/2017 | Silver |
| ENSCO INTERNATIONAL LTD. | FC032346 | 09/02/2015 | 31/01/2021 | One Red Flag |
| ENSCO INVESTMENTS LLC | FC029389 | 06/08/2013 | 31/01/2021 | One Red Flag |
| ENSCO OFFSHORE U.K. LIMITED | 02868165 | 06/08/2013 | 31/01/2021 | Gold |
| ENSCO SERVICES LIMITED | 04605864 | 06/08/2013 | 25/04/2017 | Bronze |
| ENSCO U.K. LIMITED | 04550389 | 06/08/2013 | 31/01/2021 | Bronze |
| ENSCO UNIVERSAL HOLDINGS I LTD. | FC033386 | 24/05/2016 | 21/04/2017 | One Red Flag |
| ENSCO UNIVERSAL HOLDINGS II LTD. | FC033387 | 24/05/2016 | 21/04/2017 | One Red Flag |
| ENSCO UNIVERSAL LIMITED | 07098508 | 16/08/2013 | 20/04/2017 | Silver |
| ENSCO WORLDWIDE INVESTMENTS LIMITED | 07098422 | 02/08/2013 | 24/04/2017 | Dissolved |
| FORASUB B.V. | FC031140 | 29/07/2014 | 21/04/2017 | Bronze |
| SONAMER ANGOLA LIMITED | FC031148 | 06/08/2013 | 21/04/2017 | Bronze |
| SONAMER LIMITED | FC031149 | 06/08/2013 | 21/04/2017 | One Red Flag |