| Company | Timeline | Status | |
| Norwich Science Park Limited Director • Company Director | 21 Dec 1998←26 Years→Current | Active | |
| Advaland Farming Company Limited Director • Company Director | 10 Jun 1997←28 Years→Current | Active | |
| Advaland Limited Director • Company Director | 27 Sep 1996←29 Years→Current | Active | |
| Colney Developments Limited Director • Director | 21 Aug 1991←34 Years→Current | Active | |
| M.P. Kemp Limited Secretary • Unreported | 31 Mar 1991←34 Years→Current | Active | |
| M.P. Kemp Limited Director • Company Director | 7 Sep 1979←46 Years→Current | Active | |
