| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| DCARBONX LTD | 12649411 | 05/06/2020 | Amber |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ENI HEWETT LIMITED | SC090159 | 31/03/2008 | 28/11/2008 | Silver |
| IKON SCIENCE LIMITED | 04168293 | 19/05/2009 | 16/10/2018 | Amber |
| P.R. UK HOLDINGS LIMITED | 06370469 | 06/12/2019 | 20/07/2020 | Dissolved |
| PROVIDENCE RESOURCES (N.I.) LIMITED | NI019968 | 06/12/2019 | 20/07/2020 | Dissolved |
| PROVIDENCE RESOURCES UK LIMITED | 00860832 | 06/12/2019 | 20/07/2020 | Dissolved |
| TULLOW CMS (NORTH SEA) LIMITED | 08593556 | 23/07/2013 | 29/08/2014 | Dissolved |
| TULLOW EXPLORATION & PRODUCTION UK LIMITED | SC359143 | 30/06/2011 | 05/08/2014 | Dissolved |
| TULLOW GREENLAND EXPLORATION LIMITED | 07781896 | 01/11/2011 | 05/08/2014 | Dissolved |
| TULLOW GROUP SERVICES LIMITED | 05660209 | 31/03/2008 | 05/08/2014 | Amber |
| TULLOW GUINEA LIMITED | 08233451 | 02/11/2012 | 05/08/2014 | Dissolved |
| TULLOW MOZAMBIQUE LIMITED | 07672804 | 27/09/2011 | 05/08/2014 | Strike Off |
| TULLOW OIL (INTERNATIONAL) NORGE LIMITED | 08029991 | 21/01/2013 | 05/08/2014 | Dissolved |
| TULLOW OIL 101 LIMITED | 07639401 | 14/06/2011 | 05/08/2014 | Dissolved |
| TULLOW OIL PLC | 03919249 | 06/12/2006 | 09/12/2019 | Silver |
| TULLOW OIL SK LIMITED | 05287330 | 31/03/2008 | 05/08/2014 | Amber |
| TULLOW OIL SNS LIMITED | 05064884 | 31/03/2008 | 05/08/2014 | Dissolved |
| TULLOW OIL SPE LIMITED | 04609980 | 31/03/2008 | 05/08/2014 | Gold |
| TULLOW OIL TS LIMITED | 07117038 | 25/08/2010 | 05/08/2014 | Dissolved |
| TULLOW URUGUAY LIMITED | 08107466 | 17/07/2012 | 05/08/2014 | Gold |