| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| THE VENTURE PARTNERSHIP FOUNDATION LIMITED | 05307891 | 08/12/2004 | Amber |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| APAX PARTNERS EUROPE MANAGERS LTD | 04094238 | 05/01/2004 | 29/11/2005 | Silver |
| APAX PARTNERS LLP | OC303117 | 05/01/2004 | 30/06/2014 | Silver |
| APAX PARTNERS UK LTD | 01342446 | 01/04/2000 | 05/01/2004 | Silver |
| APAX WW NOMINEES LTD. | 04693597 | 05/01/2004 | 29/11/2005 | Dissolved |
| ARC INTERNATIONAL LIMITED | 03592130 | 23/03/2000 | 21/10/2003 | Dissolved |
| Amphion Semiconductor | NI024395 | 10/09/1999 | 01/06/2004 | Dissolved |
| DIALOG SEMICONDUCTOR LIMITED | 03505161 | 11/08/1999 | 12/07/2006 | Gold |
| FRONTIER SILICON (HOLDINGS) LIMITED | 04906048 | 10/10/2003 | 31/08/2006 | Dissolved |
| RED-M GROUP LIMITED | 05360892 | 24/06/2005 | 12/12/2005 | Dissolved |
| RED-M PRODUCTS LIMITED | 03985301 | 12/04/2001 | 17/05/2005 | Dissolved |
| Red-M Services Ltd | 03073608 | 01/08/2005 | 12/12/2005 | Dissolved |