| Company | Timeline | Status | |
| Unimed Scientific Limited Director • Scientist | 5 Mar 1998←20 Years→11 Jun 2018 | Dissolved | |
| E.G. Enterprises Limited Director • Unreported | 2 Sep 1991←4 Years→1 Aug 1996 | Active | |
| Embroiderers Guild (The) Director • Scientist | 18 May 1991←4 Years→13 Apr 1996 | Active | |
