| Company | Timeline | Status | |
| Council For British Archaeology(The) Director • Archaelogist | 25 Sep 2005←5 Years→10 Jan 2011 | Active | |
| Archaeology Scotland Director • Company Director | 16 Jan 2004←5 Years→10 Oct 2009 | Active | |
| Headland Group Limited Director • Archaeologist | 30 Jan 1996←12 Years→23 Jun 2008 | Dissolved | |
| Headland Group Limited Secretary • Archaeologist | 30 Jan 1996←12 Years→23 Jun 2008 | Dissolved | |
