| Company | Timeline | Status | |
| Doversmith Design Limited Director • Director | 15 Feb 2022←3 Years→Current | Active | |
| Robjan Design Limited Director • Engineering Consultant | 26 Jun 2017←4 Years→3 Aug 2021 | Dissolved | |
Refinery Equipment Design Limited Director • Engineering Consultant | 28 Mar 2014←2 Years 7 Months→15 Nov 2016 | Dissolved | |
Thermotek Limited Director • Director | 15 Mar 2011←4 Years→7 Apr 2015 | Dissolved | |
