| Company | Timeline | Status | |
| Sheffield Industrial Museums Trust Limited Director • Engineer | 30 Jun 1994←11 Months→15 Jun 1995 | Dissolved | |
| Cutlers' Hall Preservation Trust Limited(The) Director • Chairman | 24 Oct 1992←1 Day→24 Oct 1992 | Active | |
| 00508493 Limited Director • Electrical Engineer | 7 Mar 1991←15 Years→19 Jul 2006 | Dissolved | |
