| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Daltonbridge Limited | 01720433 | 21/05/1991 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Advanced Technology (U K) Plc | 03307177 | 19/10/2001 | 16/10/2002 | Dissolved |
| CAPSANT NEUROTECHNOLOGIES LIMITED | 04466911 | 02/12/2004 | 30/11/2006 | Dissolved |
| KBC ADVANCED TECHNOLOGIES LIMITED | 01357958 | 26/06/1991 | 31/03/1998 | Gold |
| KBC LIMITED | 02125530 | 10/06/1992 | 31/03/1998 | Not Trading |
| KBC PROCESS TECHNOLOGY LIMITED | 01807381 | 07/07/1991 | 31/03/1998 | Bronze |
| Kbc Process Automation Ltd | 01749537 | 27/09/1991 | 31/03/1998 | Dissolved |
| NANOTECTURE GROUP PLC | 05131621 | 27/05/2005 | 23/09/2008 | Dissolved |
| SOUTHAMPTON ASSET MANAGEMENT LIMITED | 04367489 | 10/05/2002 | 06/07/2011 | Bronze |
| SOUTHAMPTON INNOVATIONS LIMITED | 02595189 | 07/02/2001 | 11/07/2011 | Dissolved |
| Trendview Instrumentation Ltd | 03440891 | 28/07/1998 | 01/10/1999 | Dissolved |