| Company | Timeline | Status | |
| Colin Armstrong Architects Ltd Director • Architect | 29 Mar 2016←9 Years→Current | Active | |
| Highland Theological College Director • Architect | 28 Sep 2007←6 Years→28 Apr 2014 | Active | |
| Colin Armstrong Associates Limited Director • Architect | 27 Nov 2003←21 Years→Current | Active | |
| Inverness Chamber Of Commerce Director • Architect | 20 Mar 2002←3 Years→30 Mar 2005 | Active | |
