| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| PHOENIX NATURAL GAS FINANCE PLC | NI600904 | 26/02/2015 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BELFAST GAS TRANSMISSION LIMITED | NI026420 | 23/12/2003 | 31/03/2008 | Amber |
| ENERGY AND UTILITY SKILLS LIMITED | 03812163 | 15/11/2006 | 31/10/2012 | Silver |
| LIONRAI INVESTMENTS NO.1 LIMITED | 08611798 | 26/02/2015 | 28/02/2021 | Amber |
| LIONRAI INVESTMENTS NO.2 LIMITED | 08612000 | 26/02/2015 | 28/02/2021 | One Red Flag |
| PHOENIX ENERGY GROUP LTD | NI032809 | 21/02/2008 | 18/12/2013 | Silver |
| PHOENIX ENERGY SERVICES LIMITED | NI041410 | 25/06/2007 | 12/09/2014 | Silver |
| PHOENIX NATURAL GAS FINANCE PLC | NI600904 | 07/10/2009 | 09/12/2013 | Dissolved |
| PHOENIX NATURAL GAS PP FINANCE PLC | 10636561 | 23/02/2017 | 28/02/2021 | Bronze |