| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ENSCO CAPITAL LIMITED | FC029695 | 29/07/2014 | Amber |
| ENSCO ENDEAVORS LIMITED | FC031147 | 29/07/2014 | Bronze |
| ENSCO INTERNATIONAL LTD. | FC032346 | 09/02/2015 | One Red Flag |
| ENSCO INVESTMENTS LLC | FC029389 | 29/07/2014 | Bronze |
| ENSCO OFFSHORE INTERNATIONAL HOLDINGS LIMITED | FC032347 | 09/02/2015 | One Red Flag |
| ENSCO UNIVERSAL HOLDINGS I LTD. | FC033386 | 24/05/2016 | One Red Flag |
| FORINTER LIMITED | FC031268 | 29/07/2014 | Bronze |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ENSCO DEEPWATER DRILLING LIMITED | 08524375 | 29/07/2014 | 27/04/2018 | Bronze |
| ENSCO FINANCE LIMITED | 07098459 | 29/07/2014 | 27/04/2018 | Dissolved |
| ENSCO GLOBAL RESOURCES LIMITED | 07098531 | 29/07/2014 | 27/04/2018 | Dissolved |
| ENSCO OFFSHORE U.K. LIMITED | 02868165 | 29/07/2014 | 27/04/2018 | Gold |
| ENSCO SERVICES LIMITED | 04605864 | 29/07/2014 | 27/04/2018 | Bronze |
| ENSCO U.K. LIMITED | 04550389 | 29/07/2014 | 27/04/2018 | Bronze |
| ENSCO UNIVERSAL LIMITED | 07098508 | 29/07/2014 | 27/04/2018 | Silver |
| ENSCO WORLDWIDE INVESTMENTS LIMITED | 07098422 | 29/07/2014 | 27/04/2018 | Dissolved |