| 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 | |
