| Company | Timeline | Status | |
| Douglas Architects Limited Director • Architect | 20 May 2013←12 Years→Current | Active | |
| Shonagh Rae Limited Secretary • Unreported | 26 Sep 2006←19 Years→Current | Active | |
| Douglas & King Ltd Director • Architect | 17 Apr 2002←11 Years→30 Apr 2013 | Active | |
| Douglas & King Ltd Secretary • Architect | 17 Apr 2002←11 Years→30 Apr 2013 | Active | |
