| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ABBOTT DEBT RECOVERY LTD | 05355799 | 13/06/2019 | Gold |
| ABERGELLI POWER LIMITED | 08190497 | 20/06/2019 | Amber |
| AES DRAX ACQUISITION LIMITED | 03834878 | 13/06/2019 | Not Trading |
| BMM ENERGY SOLUTIONS LTD | SC462201 | 31/08/2023 | One Red Flag |
| DONNINGTON ENERGY LIMITED | 07109298 | 13/06/2019 | Not Trading |
| DRAX BIOMASS HOLDINGS LIMITED | 08322715 | 13/06/2019 | Amber |
| DRAX CCS LIMITED | 07885329 | 13/06/2019 | Not Trading |
| DRAX CORPORATE LIMITED | 05562058 | 13/06/2019 | Amber |
| DRAX CRUACHAN EXPANSION LIMITED | 06657393 | 13/06/2019 | Bronze |
| DRAX ENERGY SOLUTIONS LIMITED | 05893966 | 13/06/2019 | Silver |
| DRAX FINCO PLC | 10664639 | 13/06/2019 | Bronze |
| DRAX FUEL SUPPLY LIMITED | 05299523 | 13/06/2019 | Gold |
| DRAX GENERATION DEVELOPMENTS LIMITED | 07821368 | 13/06/2019 | Bronze |
| DRAX GROUP HOLDINGS LIMITED | 09887429 | 13/06/2019 | Silver |
| DRAX GROUP PLC | 05562053 | 02/01/2019 | Silver |
| DRAX HYDRO LIMITED | 08654218 | 13/06/2019 | Gold |
| DRAX INNOVATION LIMITED | 10664715 | 13/06/2019 | Gold |
| DRAX PENSION TRUSTEES LIMITED | 09824989 | 13/06/2019 | Not Trading |
| DRAX POWER LIMITED | 04883589 | 13/06/2019 | Gold |
| DRAX PUMPED STORAGE LIMITED | 06657336 | 13/06/2019 | Silver |
| DRAX RESEARCH AND INNOVATION HOLDCO LIMITED | 06657454 | 13/06/2019 | One Red Flag |
| DRAX RETAIL DEVELOPMENTS LIMITED | 10711130 | 13/06/2019 | Not Trading |
| DRAX RIVER HYDRO LIMITED | 05956747 | 13/06/2019 | Gold |
| DRAX SMART GENERATION HOLDCO LIMITED | 07821911 | 13/06/2019 | Bronze |
| DRAX SMART SOURCING HOLDCO LIMITED | 07821375 | 13/06/2019 | Silver |
| DRAX SMART SUPPLY HOLDCO LIMITED | 10664625 | 13/06/2019 | Bronze |
| FARMOOR ENERGY LIMITED | 07111074 | 13/06/2019 | Gold |
| HAVEN HEAT LIMITED | 06657428 | 13/06/2019 | Not Trading |
| HAVEN POWER NOMINEES LIMITED | 07352734 | 13/06/2019 | Gold |
| HIRWAUN POWER LIMITED | 08190283 | 20/06/2019 | Amber |
| MILLBROOK POWER LIMITED | 08920458 | 20/06/2019 | Amber |
| OPUS ENERGY (CORPORATE) LIMITED | 05199937 | 13/06/2019 | Amber |
| OPUS ENERGY GROUP LIMITED | 04409377 | 13/06/2019 | Gold |
| OPUS ENERGY LIMITED | 04382246 | 13/06/2019 | One Red Flag |
| OPUS ENERGY MARKETING LIMITED | 05030694 | 13/06/2019 | Gold |
| OPUS ENERGY RENEWABLES LIMITED | 07126582 | 13/06/2019 | Gold |
| OPUS GAS LIMITED | 05680956 | 13/06/2019 | Gold |
| OPUS GAS SUPPLY LIMITED | 06874709 | 13/06/2019 | One Red Flag |
| OPUS WATER LIMITED | 09425319 | 13/06/2019 | Not Trading |
| PROGRESS POWER LIMITED | 08421833 | 20/06/2019 | Amber |
| SMW LIMITED | SC165988 | 13/06/2019 | Gold |
| SUNFLOWER ENERGY SUPPLY LIMITED | 09735929 | 13/06/2019 | Not Trading |
| THE NORTHERN POWERHOUSE PARTNERSHIP LIMITED | 10668993 | 17/12/2020 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| APT LICENSING LIMITED | NI054094 | 04/10/2012 | 30/09/2015 | Dissolved |
| CAMBRIDGE POSITIONING SYSTEMS LIMITED | 02808344 | 16/10/2012 | 30/09/2015 | Not Trading |
| CAMBRIDGE SILICON RADIO (US) LIMITED | 08320071 | 05/12/2012 | 30/09/2015 | Gold |
| CAMBRIDGE SILICON RADIO HOLDINGS LIMITED | 07624969 | 04/10/2012 | 30/09/2015 | Silver |
| FIDESSA BUY-SIDE LIMITED | 03656437 | 26/10/2015 | 18/12/2018 | Silver |
| FIDESSA GROUP HOLDINGS LIMITED | 03234176 | 26/10/2015 | 18/12/2018 | Bronze |
| FIDESSA INVESTMENTS LIMITED | 03770569 | 26/10/2015 | 23/11/2018 | Dissolved |
| FIDESSA SOFTWARE LIMITED | 03221843 | 26/10/2015 | 23/11/2018 | Gold |
| FIDESSA TRADING UK LIMITED | 03781700 | 26/10/2015 | 18/12/2018 | Gold |
| RECIVA LIMITED | 04120226 | 03/07/2014 | 30/09/2015 | Dissolved |
| VPI POWER LIMITED | SC189124 | 13/06/2019 | 31/01/2021 | Gold |