| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AKKODIS LIMITED | 02435654 | 15/11/2005 | 25/07/2007 | Gold |
| AVEVA GROUP LIMITED | 02937296 | 12/07/2007 | 08/11/2016 | Silver |
| AVEVA SOLUTIONS LIMITED | 00803680 | 12/07/2007 | 08/11/2016 | Gold |
| CLEARLY SO LIMITED | 06686965 | 02/07/2012 | 23/10/2012 | Dissolved |
| COMMS & PC PEOPLE (EUROPE) LIMITED | 03741519 | 15/11/2005 | 25/07/2007 | Dissolved |
| COMMS & PC PEOPLE LIMITED | 03741514 | 15/11/2005 | 25/07/2007 | Dissolved |
| COMMS PEOPLE LIMITED | 03741518 | 15/11/2005 | 25/07/2007 | Dissolved |
| CONTRACT ACCOUNTANTS LIMITED | 02877501 | 15/11/2005 | 25/07/2007 | Dissolved |
| FDM GROUP (HOLDINGS) PLC | 07078823 | 16/06/2014 | 30/10/2015 | Silver |
| FRONTIER SILICON (HOLDINGS) LIMITED | 04906048 | 23/10/2003 | 31/12/2007 | Dissolved |
| FRONTIER SMART TECHNOLOGIES LIMITED | 04213838 | 28/04/2004 | 06/04/2006 | Bronze |
| GLOBAL TELECOMMUNICATIONS RESOURCE LIMITED | 02983294 | 15/11/2005 | 25/07/2007 | Dissolved |
| GLOTEL HOLDINGS LIMITED | 02982579 | 15/11/2005 | 25/07/2007 | Dissolved |
| GLOTEL INVESTMENTS LIMITED | 02568349 | 15/11/2005 | 25/07/2007 | Dissolved |
| GLOTEL IT LIMITED | 03289514 | 15/11/2005 | 25/07/2007 | Dissolved |
| GLOTEL LIMITED | 03707677 | 15/11/2005 | 25/07/2007 | Dissolved |
| GLOTEL LIMITED | 03707677 | 26/09/2005 | 25/07/2007 | Dissolved |
| GLOTEL MANAGED SERVICES LTD. | 03220361 | 15/11/2005 | 25/07/2007 | Dissolved |
| IP GROUP PLC | 04204490 | 31/08/2011 | 10/03/2020 | Silver |
| IP2IPO NOMINEES LIMITED | 05602177 | 14/11/2013 | 26/03/2020 | Not Trading |
| SKRILL HOLDINGS LIMITED | 06124048 | 28/01/2011 | 30/06/2011 | Dissolved |
| SOPHOS LIMITED | 02096520 | 12/10/2007 | 15/06/2009 | Silver |
| TELEDYNE E2V LIMITED | 04439718 | 18/08/2004 | 27/07/2011 | Dissolved |