| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| AES DRAX ACQUISITION LIMITED | 03834878 | 01/01/2016 | Not Trading |
| BMM ENERGY SOLUTIONS LTD | SC462201 | 31/08/2023 | One Red Flag |
| C.P.S. LIMITED | 04161412 | 18/06/2008 | Dissolved |
| CAMBRIDGE SILICON RADIO (UK) LIMITED | 04187030 | 07/07/2010 | Dissolved |
| COVERGE LIMITED | 04163104 | 18/06/2008 | Dissolved |
| DONNINGTON ENERGY LIMITED | 07109298 | 10/02/2017 | Not Trading |
| DRAX BIOMASS HOLDINGS LIMITED | 08322715 | 01/01/2016 | Amber |
| DRAX CCS LIMITED | 07885329 | 01/01/2016 | Not Trading |
| DRAX CORPORATE LIMITED | 05562058 | 01/01/2016 | Amber |
| DRAX CRUACHAN EXPANSION LIMITED | 06657393 | 01/12/2015 | Bronze |
| DRAX ENERGY SOLUTIONS LIMITED | 05893966 | 01/01/2016 | Silver |
| DRAX FINCO PLC | 10664639 | 10/03/2017 | Bronze |
| DRAX GCO LIMITED | 05677568 | 01/01/2016 | Dissolved |
| DRAX GENERATION DEVELOPMENTS LIMITED | 07821368 | 01/01/2016 | Bronze |
| DRAX GROUP HOLDINGS LIMITED | 09887429 | 24/11/2015 | Silver |
| DRAX GROUP PLC | 05562053 | 16/11/2015 | Silver |
| DRAX HYDRO LIMITED | 08654218 | 10/02/2017 | Gold |
| DRAX INNOVATION LIMITED | 10664715 | 10/03/2017 | Gold |
| DRAX OUSE | 03618559 | 01/01/2016 | Dissolved |
| DRAX PENSION TRUSTEES LIMITED | 09824989 | 16/06/2017 | Not Trading |
| DRAX POWER LIMITED | 04883589 | 01/01/2016 | Gold |
| DRAX PUMPED STORAGE LIMITED | 06657336 | 01/01/2016 | Silver |
| DRAX RESEARCH AND INNOVATION HOLDCO LIMITED | 06657454 | 01/01/2016 | One Red Flag |
| DRAX RETAIL DEVELOPMENTS LIMITED | 10711130 | 05/04/2017 | Not Trading |
| DRAX RIVER HYDRO LIMITED | 05956747 | 10/02/2017 | Gold |
| DRAX SMART GENERATION HOLDCO LIMITED | 07821911 | 01/01/2016 | Bronze |
| DRAX SMART SOURCING HOLDCO LIMITED | 07821375 | 01/01/2016 | Silver |
| DRAX SMART SUPPLY HOLDCO LIMITED | 10664625 | 10/03/2017 | Bronze |
| Easynet Ventures Ltd | 03488085 | 26/03/2002 | Dissolved |
| FARMOOR ENERGY LIMITED | 07111074 | 10/02/2017 | Gold |
| HAVEN HEAT LIMITED | 06657428 | 01/01/2016 | Not Trading |
| HAVEN POWER NOMINEES LIMITED | 07352734 | 01/01/2016 | Gold |
| OPUS ENERGY (CORPORATE) LIMITED | 05199937 | 10/02/2017 | Amber |
| OPUS ENERGY GROUP LIMITED | 04409377 | 10/02/2017 | Gold |
| OPUS ENERGY LIMITED | 04382246 | 10/02/2017 | One Red Flag |
| OPUS ENERGY MARKETING LIMITED | 05030694 | 10/02/2017 | Gold |
| OPUS ENERGY RENEWABLES LIMITED | 07126582 | 10/02/2017 | Gold |
| OPUS GAS LIMITED | 05680956 | 10/02/2017 | Gold |
| OPUS GAS SUPPLY LIMITED | 06874709 | 10/02/2017 | One Red Flag |
| OPUS WATER LIMITED | 09425319 | 10/02/2017 | Not Trading |
| PIRRANELLO ENERGY SUPPLY LIMITED | 10769036 | 25/07/2019 | Not Trading |
| SMW LIMITED | SC165988 | 31/12/2018 | Gold |
| SUNFLOWER ENERGY SUPPLY LIMITED | 09735929 | 24/05/2017 | Not Trading |
| Technocom Ltd | 02265972 | 30/07/2002 | Dissolved |
| UBINETICS 3G LIMITED | 04633504 | 18/06/2008 | Dissolved |
| UBINETICS DESIGNS LIMITED | 04633254 | 18/06/2008 | Dissolved |
| UBINETICS MODULE LIMITED | 04633253 | 18/06/2008 | Dissolved |
| UBINETICS TECHNOLOGY LIMITED | 04633503 | 18/06/2008 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| APT LICENSING LIMITED | NI054094 | 20/07/2010 | 14/09/2015 | Dissolved |
| CAMBRIDGE POSITIONING SYSTEMS LIMITED | 02808344 | 18/06/2008 | 14/09/2015 | Not Trading |
| CAMBRIDGE SILICON RADIO (US) LIMITED | 08320071 | 05/12/2012 | 14/09/2015 | Gold |
| CAMBRIDGE SILICON RADIO HOLDINGS LIMITED | 07624969 | 06/05/2011 | 14/09/2015 | Silver |
| CSR IMAGING UK LTD. | 03863617 | 10/10/2011 | 14/09/2015 | Amber |
| CSR LIMITED | 04187346 | 18/06/2008 | 13/08/2015 | Gold |
| EASYNET LIMITED | 02954343 | 03/12/2001 | 06/05/2008 | Dissolved |
| Ipsaris Co Ltd | 04336192 | 07/12/2001 | 06/05/2008 | Dissolved |
| Pavilion Internet Ltd | 02945747 | 30/07/2002 | 06/05/2008 | Dissolved |
| QUALCOMM TECHNOLOGIES INTERNATIONAL, LTD. | 03665875 | 18/06/2008 | 13/08/2015 | Gold |
| RECIVA LIMITED | 04120226 | 18/06/2008 | 14/09/2015 | Dissolved |
| SKY LLU ASSETS LIMITED | 03137522 | 26/07/2001 | 06/05/2008 | Bronze |
| SKY POKER LIMITED | 05276647 | 10/03/2005 | 06/05/2008 | Dissolved |
| SKY TELECOMMUNICATIONS LIMITED | 05349163 | 07/07/2006 | 16/05/2008 | Not Trading |
| SKY TELECOMMUNICATIONS SERVICES LIMITED | 02883980 | 04/05/2001 | 06/05/2008 | Bronze |
| SUSTAINABLE BIOMASS PROGRAM LIMITED | 08793480 | 13/12/2018 | 16/03/2023 | Gold |
| UBINETICS (VPT) LIMITED | 05507344 | 18/06/2008 | 14/09/2015 | Bronze |
| UK ONLINE LIMITED | 02968652 | 26/03/2002 | 06/05/2008 | Dissolved |
| VPI POWER LIMITED | SC189124 | 31/12/2018 | 31/01/2021 | Gold |