| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| APAX PARTNERS INVESTMENT MANAGEMENT LLP | OC350747 | 23/06/2010 | Dissolved |
| SHIELD 1 LIMITED | 07251169 | 12/05/2010 | Insolvent |
| SHIELD 1A LIMITED | 07251347 | 12/05/2010 | Insolvent |
| SHIELD HOLDCO LTD | 07225356 | 16/04/2010 | Insolvent |
| SHIELD MIDCO LIMITED | 07250880 | 12/05/2010 | Insolvent |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| APAX PARTNERS UK LTD | 01342446 | 04/01/2005 | 06/06/2005 | Gold |
| CHALKFREE LIMITED | 05227933 | 11/11/2004 | 21/06/2007 | Gold |
| OBERON MEDIA (UK) LIMITED | 03555358 | 21/03/2006 | 29/06/2007 | Dissolved |
| SOPHOS HOLDINGS LIMITED | 07226063 | 16/04/2010 | 26/06/2015 | Bronze |
| SOPHOS LIMITED | 02096520 | 30/07/2010 | 17/09/2013 | Silver |