| Company | Timeline | Status | |
| Kiln Services (Scotland) Ltd Director • Director,co Secretary | 11 Jan 2012←13 Years→Current | Active | |
| Vacua-Therm Design Limited Director • Engineer | 31 May 2005←20 Years→Current | Active | |
| Hamilton Control Systems Ltd Director • Engineer | 8 Feb 2005←20 Years→Current | Active | |
| Vacua-Therm Sales Limited Director • Engineer | 31 May 1994←17 Years→26 Mar 2012 | Active | |
