| Company | Timeline | Status | |
Flexicage (Trustees) Limited Director • Director | 8 Jan 2009←9 Years→23 Oct 2018 | Dissolved | |
| Napier University Ventures Limited Director • Vice Principal | 21 Nov 2008←3 Years→30 Mar 2012 | Active | |
Edinburgh Acoustical Company Limited Director • Acoustical Consultant | 31 Dec 1988←29 Years→9 Jan 2018 | Dissolved | |
