| Company | Timeline | Status | |
| GDC Precision Engineering Ltd Director • Engineer | 24 Dec 2013←11 Years→Current | Active | |
| A & R Renwick Ltd Director • Engineer | 7 Feb 2008←17 Years→Current | Active | |
| A & R Renwick Ltd Secretary • Unreported | 7 Feb 2008←17 Years→Current | Active | |
