| Company | Timeline | Status | |
| Waterglades (Harpenden) Management Company Limited Director • Machine Tools | 16 Mar 1996←7 Months→27 Oct 1996 | Active | |
| Coleridge Court Residents' Association Limited Director • Director-machine Tool Rebuilds | 10 Apr 1992←1 Year 7 Months→14 Nov 1993 | Active | |
Machine Tool Rebuilds Limited Director • Engineer | 31 Dec 1991←22 Years→18 Feb 2014 | Dissolved | |
