| Company | Timeline | Status | |
| The Strathmartine Press Limited Director • Retired Professor | 5 Nov 2024←1 Year 1 Month→Current | Active | |
Scottish Place-Name Data Limited Director • Lecturer | 21 Nov 2003←7 Years→30 Mar 2011 | Dissolved | |
Scottish Place-Name Data Limited Secretary • Unreported | 11 Jun 2003←7 Years→30 Mar 2011 | Dissolved | |
| Edinburgh Innovations Limited Director • Professor | 2 Sep 2002←9 Months→24 Jun 2003 | Active | |
| Scottish Archive Network Limited Director • University Professor | 23 Apr 2002←8 Years→28 May 2010 | Active | |
David Hume Institute The Director • University Lecturer | 1 Oct 1991←23 Years→28 May 2015 | Converted/Closed | |
