| Company | Timeline | Status | |
| Grafham Water Sailing Club Limited Director • Retired | 9 Jul 2000←4 Years→30 Mar 2005 | Active | |
Armstrong Projects Limited Director • Engineer | 13 Jul 1995←20 Years→5 Apr 2016 | Dissolved | |
| Icu Medical (SM) Limited Director • Business Development Director | 13 Aug 1991←3 Years→30 Sep 1994 | Active | |
| Graseby Limited Director • Unreported | 1 Jan 1970←24 Years→30 Sep 1994 | Dissolved | |
