| Company | Timeline | Status | |
| The Birks Cinema Trust Director • Architect | 6 May 2015←8 Years→22 Aug 2023 | Active | |
| Scottish Ecological Design Association Director • Architect | 24 Feb 2011←2 Years 3 Months→1 Jun 2013 | Active | |
| Robin Baker Architects Ltd Director • Architect | 26 Mar 2010←11 Years→28 Sep 2021 | Dissolved | |
| Corbenic Camphill Community Limited Director • Architect | 4 Feb 2003←17 Years→24 Oct 2020 | Active | |
| Locus Breadalbane Limited Director • Architect | 17 Aug 1995←2 Years→21 Aug 1997 | Active | |
