| Company | Timeline | Status | |
| D2H Design Ltd Director • Director | 20 Jun 2016←9 Years→15 Jul 2025 | Dissolved | |
| D2H Aero Ltd Director • Director | 20 Jan 2016←9 Years→15 Jul 2025 | Dissolved | |
| WR Emersio Limited Director • Technical Director | 19 Oct 2012←2 Years 5 Months→27 Mar 2015 | Dissolved | |
| WR Industria Limited Director • Technical Director | 25 Aug 2011←3 Years→27 Mar 2015 | Dissolved | |
| WR Sentinel Limited Director • Technical Director | 17 Aug 2011←3 Years→27 Mar 2015 | Dissolved | |
| WR Performance Limited Director • None | 5 Jan 2011←4 Years→27 Mar 2015 | Dissolved | |
| WR Technology Limited Director • Director | 8 Jan 2010←5 Years→27 Mar 2015 | Dissolved | |
| W R Digital Ltd Director • Engineering Director | 21 Aug 2009←5 Years→27 Mar 2015 | Dissolved | |
| Wirth Research Limited Director • Engineering Director | 21 Mar 2009←6 Years→27 Mar 2015 | Active | |
