| Company | Timeline | Status | |
| Tarbolton Estates Limited Director • Director | 19 Feb 2007←6 Years→12 Jul 2013 | Active | |
| SPS (Ayr) Limited Director • Operations Director | 19 Feb 2007←6 Years→12 Jul 2013 | Active | |
| Wallace, McDowall Limited Director • Operations Director | 1 Jul 1998←15 Years→1 Dec 2013 | Active | |
