| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| B H R Ltd | 02026733 | 31/12/1991 | Dissolved |
| Prelude Partners Llp | OC303606 | 19/05/2003 | Dissolved |
| Prelude Technology Ii Ltd | 02126438 | 06/07/1991 | Dissolved |
| Prelude Technology Ltd | 02068789 | 06/07/1991 | Dissolved |
| Prelude Technology Trustee Ltd | 01967170 | 06/07/1991 | Dissolved |
| Pvi General Partner Ltd | SC237276 | 21/11/2002 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ACAMBIS RESEARCH LIMITED | 02774777 | 02/11/1993 | 03/11/1995 | Dissolved |
| CAMBRIDGE POSITIONING SYSTEMS LIMITED | 02808344 | 09/01/1998 | 12/01/2007 | Not Trading |
| Ccl General Partner Ltd | 04595947 | 20/11/2002 | 26/02/2003 | Dissolved |
| DISPLAYDATA LIMITED | 03929602 | 24/07/2000 | 22/01/2010 | One Red Flag |
| ESPRIT CAPITAL HOLDINGS LIMITED | 05856278 | 23/06/2006 | 24/04/2008 | Amber |
| ESPRIT CAPITAL I (CIP) LIMITED | 03950700 | 30/06/2006 | 24/04/2008 | Not Trading |
| ESPRIT CAPITAL I (GP) LIMITED | 03950708 | 30/06/2006 | 24/04/2008 | One Red Flag |
| ESPRIT CAPITAL MANAGEMENT LIMITED | 03286109 | 26/11/1996 | 24/04/2008 | Dissolved |
| ESPRIT CAPITAL PARTNERS LLP | OC318087 | 05/06/2006 | 01/02/2010 | Silver |
| HUBER+SUHNER POLATIS LIMITED | 04021002 | 01/03/2002 | 17/11/2009 | Gold |
| MAPWAY TECHNOLOGIES LIMITED | 04054923 | 14/06/2001 | 19/01/2009 | Gold |
| OVER COMMUNITY ENTERPRISES LIMITED | 03024370 | 06/06/1995 | 09/12/1999 | One Red Flag |
| PRELUDE TRUST PLC | 03285603 | 25/11/1996 | 31/07/2007 | Dissolved |
| SANOFI PASTEUR HOLDING LIMITED | 02863682 | 09/05/1994 | 03/11/1995 | Dissolved |
| VOCALIS LIMITED | 02788628 | 18/05/1993 | 22/09/1999 | Dissolved |
| Voice Recognition Software Plc | 03192702 | 22/05/1996 | 18/07/2001 | Dissolved |
| XAAR PLC | 03320972 | 17/09/1997 | 18/07/2000 | Gold |
| XAAR TRUSTEE LIMITED | 03025096 | 16/05/1995 | 17/10/2000 | Amber |