| Company | Timeline | Status | |
| Glenfarg Partnership Limited Director • Unreported | 23 Feb 2015←10 Years→Current | Active | |
| Avid Metal Frames Limited Director • Chartered Engineer | 29 Mar 2007←18 Years→Current | Active | |
| David Craigie Consulting Limited Director • Quantity Surveyor | 11 Nov 2005←20 Years→Current | Active | |
