| Company | Timeline | Status | |
| Smith Transport Limited Director • Haulage Contractor  | 6 Sep 2011←14 Years→Current  | Active  | |
Duttons Garage Limited Director • Director  | 1 Dec 2009←5 Years→24 Jul 2015  | Dissolved  | |
| Iain D. Smith Transport Limited Director • Director  | 1 Jul 2005←20 Years→Current  | Active  | |
| Iain D. Smith Transport Limited Director • Transport Manager  | 7 Sep 2000←2 Years 11 Months→1 Sep 2003  | Active  | |
