| Company | Timeline | Status | |
| The Sheffield And District Society Of Model And Experimental Engineers Limited Secretary • Company Director | 2 Mar 2007←6 Years→19 Apr 2013 | Active | |
| The Heywood Society Limited Director • Engineer | 17 Oct 2002←10 Years→12 Oct 2013 | Active | |
| The Sheffield And District Society Of Model And Experimental Engineers Limited Director • Company Director | 19 Oct 1993←19 Years→19 Apr 2013 | Active | |
| Mouse Boilerworks Limited Director • Engineer | 31 Dec 1991←32 Years→30 Apr 2024 | Dissolved | |
