| Company | Timeline | Status | |
| Biocatalysts Limited Director • Company Director | 28 Nov 1994←6 Months→30 May 1995 | Active | |
| Biocatalysts (1995) Limited Director • Company Director | 28 Nov 1994←6 Months→30 May 1995 | Dissolved | |
| Biocatalysts (1995) Limited Director • Director | 21 Aug 1992←1 Year 10 Months→30 Jun 1994 | Dissolved | |
| Biocatalysts Limited Director • Director | 2 Mar 1992←→30 Jun 1984 | Active | |
