| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| PHOENIX NATURAL GAS FINANCE PLC | NI600904 | 26/02/2015 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CROOK HILL PROPERTIES LIMITED | FC031792 | 07/12/2015 | 11/01/2019 | One Red Flag |
| EUROPEAN INVESTMENTS (CROOK HILL) LIMITED | 08708744 | 07/12/2015 | 11/01/2019 | One Red Flag |
| EUROPEAN INVESTMENTS (LANCASHIRE 2) LIMITED | 08884811 | 09/10/2015 | 11/01/2019 | Dissolved |
| EUROPEAN INVESTMENTS (LANCASHIRE) LIMITED | 08708404 | 07/12/2015 | 11/01/2019 | Dissolved |
| EUROPEAN INVESTMENTS (REAPS MOSS) LIMITED | 08885191 | 09/10/2015 | 11/01/2019 | Dissolved |
| HASTINGS WATER (UK) LIMITED | 04866247 | 28/06/2018 | 03/08/2018 | One Red Flag |
| HDF (UK) HOLDINGS LIMITED | 05462865 | 16/01/2024 | 10/09/2024 | Bronze |
| HIRWAUN (MB) INVESTMENTS LIMITED | 08723497 | 01/10/2015 | 11/01/2019 | Strike Off |
| LIONRAI INVESTMENTS NO.1 LIMITED | 08611798 | 26/02/2015 | 26/04/2024 | Amber |
| LIONRAI INVESTMENTS NO.2 LIMITED | 08612000 | 26/02/2015 | 26/04/2024 | Bronze |
| MIPIC LTD | 08315471 | 28/05/2015 | 05/07/2016 | Amber |
| MKW HOLDCO 1 | 05265406 | 28/06/2018 | 03/08/2018 | Silver |
| PANT Y WAL INVESTMENTS LIMITED | 07751719 | 01/10/2015 | 11/01/2019 | Strike Off |
| PENNANT WALTERS (HIRWAUN) LIMITED | 05833522 | 01/10/2015 | 11/01/2019 | Bronze |
| PENNANT WALTERS (PANT Y WAL) HOLDINGS LIMITED | 07774357 | 01/10/2015 | 11/01/2019 | Amber |
| PENNANT WALTERS (PANT Y WAL) LIMITED | 05354749 | 01/10/2015 | 11/01/2019 | Amber |
| PENNANT WALTERS HIRWAUN (HOLDINGS) LIMITED | 08694625 | 01/10/2015 | 11/01/2019 | Amber |
| PHOENIX ENERGY SERVICES LIMITED | NI041410 | 26/02/2015 | 26/04/2024 | Gold |
| PHOENIX NATURAL GAS PP FINANCE PLC | 10636561 | 23/02/2017 | 26/04/2024 | Bronze |
| REAPS MOSS LIMITED | FC031957 | 09/10/2015 | 11/01/2019 | Bronze |
| SOUTH EAST WATER (HOLDINGS) LIMITED | 04771490 | 28/06/2018 | 03/08/2018 | Amber |
| SWAN GROUP | 02288754 | 25/01/2024 | 24/09/2024 | Silver |
| SWAN PROPERTY LIMITED | 04529346 | 28/06/2018 | 03/08/2018 | Silver |
| VENTUS INVESTMENTS LIMITED | 03478754 | 08/12/2015 | 11/01/2019 | Silver |