| Company | Timeline | Status | |
| Biotec Laboratories Limited Director • Professor | 8 May 1997←2 Years 7 Months→16 Dec 1999 | Dissolved | |
| Nottingham University Industrial And Commercial Enterprise Limited Director • University Professor | 1 Jan 1996←5 Years→9 Nov 2001 | Active | |
| Zeton Limited Director • University Professor | 22 Sep 1993←8 Years→19 Nov 2001 | Dissolved | |
