| Company | Timeline | Status | |
| Blackman Agriculture Limited Director • Unreported | 26 May 2004←21 Years→Current | Active | |
| CPB Twyford Limited Director • Plant Breeder | 30 Nov 2001←2 Years 3 Months→9 Mar 2004 | Active | |
| British Society Of Plant Breeders Limited(The) Director • Managing Director | 1 May 2001←2 Years 10 Months→10 Mar 2004 | Active | |
| KWS UK Limited Director • Plant Breeder | 24 Feb 1995←9 Years→9 Mar 2004 | Active | |
| Twyford Seeds Limited Director • Plant Breeder | 24 Feb 1995←9 Years→9 Mar 2004 | Active | |
