| Company | Timeline | Status | |
| Royal Choral Society Director • Company Secretary | 1 Jun 2012←13 Years→Current | Active | |
| Mactavish Hepburn Limited Secretary • Unreported | 14 May 2008←4 Years→12 Oct 2012 | Active | |
| Mactavish Limited Secretary • Unreported | 14 May 2008←4 Years→12 Oct 2012 | Active | |
| Mactavish Hepburn Research Limited Secretary • Unreported | 14 May 2008←4 Years→12 Oct 2012 | Active | |
| MH Limited Secretary • Unreported | 14 May 2008←4 Years→12 Oct 2012 | Active | |
| Mactavish Group Limited Secretary • Unreported | 26 Apr 2006←6 Years→12 Oct 2012 | Active | |
| MH (GB) Limited Secretary • Consultant | 1 Sep 2004←8 Years→12 Oct 2012 | Active | |
Timber Lake Services Limited Director • Consultant | 7 Jul 1997←17 Years→15 Jul 2014 | Dissolved | |
