| Company | Timeline | Status | |
Alba Archaeology (Highland) Ltd Director • Architect | 29 Dec 2006←9 Years→9 Feb 2016 | Dissolved | |
Alba Archaeology Ltd Director • Chartered Architect | 29 Dec 2004←11 Years→9 Feb 2016 | Dissolved | |
| Edderton OLD Church Preservation Trust Secretary • Chartered Accountant | 10 Nov 2004←5 Years→18 Aug 2010 | Active | |
| Edderton OLD Church Preservation Trust Director • Chartered Architect | 16 Oct 2000←9 Years→18 Aug 2010 | Active | |
| Wardlaw Mausoleum Trust Director • Chartered Architect | 3 Nov 1997←26 Years→30 Apr 2024 | Active | |
| Northsail (Scotland) Limited Director • Architect | 27 Oct 1991←32 Years→25 Jun 2024 | Active | |
