| Company | Timeline | Status | |
| Black Cabs Edinburgh Limited Director • Retired | 20 Oct 2011←5 Years→28 Sep 2017 | Active | |
| Fast Black Cabs Limited Director • Retired | 20 Oct 2011←10 Months→30 Aug 2012 | Active | |
| 433 Taxis Ltd Director • None | 7 Sep 2011←8 Months→7 May 2012 | Active | |
| 477 Taxis Ltd Director • None | 7 Sep 2011←5 Years→14 Dec 2016 | Active | |
