| Company | Timeline | Status | |
| Pointing Holdings Limited Director • Consultant | 1 Aug 1993←2 Years→22 Aug 1995 | Active | |
| Biocatalysts (1995) Limited Director • Consultant | 21 Aug 1992←2 Years 9 Months→30 May 1995 | Dissolved | |
| Biocatalysts Limited Director • Consultant | 2 Mar 1992←3 Years→30 May 1995 | Active | |
