| Company | Timeline | Status | |
| The Largs & District Museum & Historical Society Director • Retired | 14 Apr 2014←9 Years→8 Jun 2023 | Converted/Closed | |
| Ersco Limited Secretary • Unreported | 11 May 2007←4 Years→23 May 2011 | Active | |
| DMWS 538 Limited Secretary • Unreported | 14 Jan 2005←3 Months→9 May 2005 | Active | |
Loganwood Minerals Marketing Limited Secretary • Unreported | 14 Feb 2003←8 Years→23 May 2011 | Dissolved | |
| Davidson Brothers (Shotts) Limited Secretary • Unreported | 31 Jul 1998←12 Years→23 May 2011 | Active | |
| J S Commercials Limited Secretary • Chartered Accountant | 21 Feb 1997←14 Years→23 May 2011 | Active | |
| Locom Engineering Limited Secretary • Chartered Accountant | 12 Dec 1996←14 Years→23 May 2011 | Active | |
| Locom Engineering Limited Director • Chartered Accountant | 3 Sep 1996←14 Years→23 May 2011 | Active | |
