| Company | Timeline | Status | |
| Turnaround Futures Cic Director • Director | 22 Oct 2025←2 Days→Current | Active | |
| Owle Limited Director • Company Director | 11 Dec 2014←10 Years→Current | Active | |
Allison Hydraulics Limited Director • Director | 28 Feb 2012←6 Years→20 Nov 2018 | Dissolved | |
| Douglas C. Adams & Company Limited Director • Company Director | 1 Dec 2010←14 Years→Current | Active | |
| Oats Developments Limited Director • Hydraulic Engineer | 15 Jul 2003←11 Years→15 Jan 2015 | Active | |
| Oats Developments Limited Secretary • Hydraulic Engineer | 15 Jul 2003←11 Years→15 Jan 2015 | Active | |
| Hydrastore Limited Director • Hydraulic Engineer | 9 Aug 1995←30 Years→Current | Active | |
