| Company | Timeline | Status | |
| Northern Turbine Services Limited Director • Company Director | 3 Jul 2015←2 Years 2 Months→1 Sep 2017 | Active | |
| Orkney Energy Limited Director • Businessman | 8 Oct 2012←13 Years→Current | Active | |
| Groundwater Tait Limited Director • Equipment Salesman | 31 Oct 2008←16 Years→Current | Active | |
| J & W Tait Limited Director • Sales Manager | 2 Sep 1989←17 Years→11 Dec 2006 | Active | |
