| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AVAYA CAPITAL IRELAND | 03685716 | 09/02/2005 | 11/10/2010 | Gold |
| AVAYA ECS LIMITED | 02644861 | 09/02/2005 | 11/10/2010 | Silver |
| AVAYA ECS LIMITED | 02644861 | 15/06/2006 | 28/06/2013 | Silver |
| AVAYA LIMITED | 00534628 | 09/02/2005 | 11/10/2010 | Dissolved |
| AVAYA LIMITED | 00534628 | 15/06/2006 | 28/06/2013 | Dissolved |
| AVAYA UK | 03049861 | 09/02/2005 | 11/10/2010 | Silver |
| AVAYA UK | 03049861 | 15/06/2006 | 28/06/2013 | Silver |
| AVAYA UK HOLDINGS LIMITED | 04036659 | 09/02/2005 | 11/10/2010 | One Red Flag |
| AVAYA UK HOLDINGS LIMITED | 04036659 | 15/06/2006 | 28/06/2013 | One Red Flag |
| MOSAIX LTD | 02441587 | 09/02/2005 | 11/10/2010 | Dissolved |
| MOSAIX LTD | 02441587 | 12/01/2009 | 28/06/2013 | Dissolved |
| NETWORK ALCHEMY LIMITED | 03252533 | 09/02/2005 | 11/10/2010 | Dissolved |
| NETWORK ALCHEMY LIMITED | 03252533 | 12/01/2009 | 28/06/2013 | Dissolved |
| OCTEL COMMUNICATIONS LIMITED | 02556788 | 09/02/2005 | 11/10/2010 | Dissolved |
| OCTEL COMMUNICATIONS LIMITED | 02556788 | 12/01/2009 | 28/06/2013 | Dissolved |
| OCTEL COMMUNICATIONS SERVICES LIMITED | 02884796 | 09/02/2005 | 11/10/2010 | Dissolved |
| OCTEL COMMUNICATIONS SERVICES LIMITED | 02884796 | 12/01/2009 | 28/06/2013 | Dissolved |
| RHETOREX EUROPE LIMITED | 02489163 | 09/02/2005 | 11/10/2010 | Dissolved |
| RHETOREX EUROPE LIMITED | 02489163 | 12/01/2009 | 28/06/2013 | Dissolved |
| SPECTEL (UK) LIMITED | 04107702 | 09/02/2005 | 11/10/2010 | Dissolved |
| SPECTEL (UK) LIMITED | 04107702 | 12/01/2009 | 28/06/2013 | Dissolved |
| UBIQUITY SOFTWARE CORPORATION LIMITED | 02719723 | 11/10/2010 | 28/06/2013 | Amber |