| Company | Timeline | Status | |
| Kiln Services (Scotland) Ltd Director • Director | 11 Jan 2012←13 Years→Current | Active | |
| Vacua-Therm Design Limited Director • Director | 14 Mar 2007←18 Years→Current | Active | |
| Hamilton Control Systems Ltd Director • Engineer | 8 Feb 2005←20 Years→Current | Active | |
