| Company | Timeline | Status | |
| Advanced Grass Tech Limited Director • Engineer | 1 May 2005←6 Years→22 Jul 2011 | Dissolved | |
| The Holbrook Property Company Limited Director • Engineer | 6 Mar 1997←14 Years→22 Jul 2011 | Active | |
| Abbeydale Golf Club Limited Director • Company Director | 8 Oct 1993←6 Years→11 Oct 1999 | Active | |
| Advanced Engineering Techniques Limited Director • Design Engineer | 28 Sep 1991←19 Years→22 Jul 2011 | Active | |
| Medical Equipment Manufacturers (Sheffield) Limited Director • Engineer | 7 Aug 1991←4 Years→24 Oct 1995 | Active | |
