| Company | Timeline | Status | |
Delta Drop Limited Director • Engineer | 28 Sep 2012←1 Year 7 Months→6 May 2014 | Dissolved | |
| Davis Scientific Treatments Limited Director • Engineer | 19 Sep 2012←13 Years→Current | Active | |
| Davies And Nelson Engineering Company Limited Director • Engineer | 1 Feb 2012←13 Years→Current | Active | |
