| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ABACUS GEOSCIENCE A.I. LIMITED | SC598557 | 30/08/2018 | Dissolved |
| ABACUS GEOSCIENCE HOLDINGS LIMITED | SC596641 | 14/06/2019 | Dissolved |
| ABACUS GEOSCIENCE TRADING LIMITED | SC596688 | 30/08/2018 | Dissolved |
| ABACUS TECHNICAL SERVICES LIMITED | SC602088 | 13/07/2018 | Dissolved |
| FREQUENT OIL LIMITED | 08034322 | 10/05/2018 | Dissolved |
| RCOG ENERGY 1 LIMITED | 10960354 | 13/09/2017 | Dissolved |
| RCOG EQUIPMENT RENTAL LIMITED | 07978023 | 12/12/2016 | Gold |
| RCOG HOLDINGS LIMITED | 10079257 | 22/03/2016 | Bronze |
| ROCHOLL LIMITED | 09862709 | 09/11/2015 | Insolvent |
| ROCK A.I. LIMITED | SC602091 | 19/01/2022 | Dissolved |
| RSI GEOPHYSICAL LTD | 07772458 | 01/08/2018 | Dissolved |
| SLLP 206 LIMITED | SC571475 | 30/09/2022 | Dissolved |
| VISUND PARTNERS LLP | OC334419 | 29/01/2008 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CAP ENERGY PLC | 05351398 | 03/05/2012 | 27/01/2013 | One Red Flag |
| NORDIC ENERGY PLC | 08068442 | 14/05/2012 | 30/10/2015 | Dissolved |
| ROCK A.I. LIMITED | SC602091 | 13/07/2018 | 18/01/2019 | Dissolved |
| WER LIMITED | 07418214 | 25/10/2010 | 30/06/2012 | Dissolved |