| Company | Timeline | Status | |
| Ryedale Society Of Model Engineers Limited Director • Retired  | 14 Feb 2008←3 Years→10 Apr 2011  | Active  | |
| Ryedale Society Of Model Engineers Limited Secretary • Physicist  | 15 Nov 2007←10 Years→29 May 2018  | Active  | |
| Dovecron Limited Secretary • Unreported  | 26 Aug 1999←12 Years→31 Mar 2012  | Active  | |
| Craftgrange Limited Director • Director  | 31 Dec 1990←3 Years→2 Aug 1994  | Active  | |
