| Company | Timeline | Status | |
| Owle Limited Director • Director | 11 Dec 2014←10 Years→Current | Active | |
Allison Hydraulics Limited Director • Company Director | 21 May 2013←5 Years→20 Nov 2018 | Dissolved | |
| Related Fluid Power Limited Director • Director | 1 Jan 2011←14 Years→Current | Active | |
| Hydrastore Limited Director • Director | 1 Dec 2010←14 Years→Current | Active | |
| Douglas C. Adams & Company Limited Director • Director | 3 Jan 2006←19 Years→Current | Active | |
