| Company | Timeline | Status | |
| The North Ronaldsay Trust Director • Consultant | 2 Feb 2007←4 Years→30 Apr 2011 | Active | |
| Going Nova Limited Director • Unreported | 18 Jul 2005←20 Years→Current | Active | |
| Inquiring Minds Associates Limited Director • Festival Director | 22 Oct 2004←21 Years→Current | Active | |
| Inquiring Minds Associates Limited Secretary • Festival Director | 22 Oct 2004←21 Years→Current | Active | |
| The North Ronaldsay Trust Director • Scientific Consultant | 14 Dec 2001←2 Years 12 Months→10 Dec 2004 | Active | |
| Orkney Press Limited Secretary • Scientific Consultant | 14 Mar 2001←24 Years→Current | Active | |
| A Yarn From North Ronaldsay Limited Director • Consultant | 20 Feb 1996←3 Years→1 May 1999 | Active | |
| University Of The Highlands And Islands Director • Consultant | 26 Apr 1994←28 Days→24 May 1994 | Active | |
Thorbay Limited Director • Director | 22 Feb 1993←4 Years→26 Mar 1997 | Dissolved | |
| Orkney Science Festival Director • Unreported | 24 Jul 1991←34 Years→Current | Active | |
