| Company | Timeline | Status | |
| Martin Precision Ltd Director • Managing Director | 23 Jun 2004←8 Years→23 Aug 2012 | Active | |
| Glacier Machining Solutions Limited Director • Engineer | 29 Nov 1996←7 Years→31 Jan 2004 | Active | |
| Valve Components Limited Director • Engineer | 31 Jan 1992←4 Years→8 Mar 1996 | In Administration | |
