| Company | Timeline | Status | |
| Norwich Science Park Limited Director • Farmer | 21 Dec 1998←27 Years→Current | Active | |
| Advaland Limited Director • Farmer | 27 Sep 1996←29 Years→Current | Active | |
| Colney Developments Limited Director • Farmer | 21 Aug 1991←34 Years→Current | Active | |
| M.P. Kemp Limited Director • Farmer | 7 Sep 1979←46 Years→Current | Active | |
