| Company | Timeline | Status | |
| TBD Owen Holland Holdings Limited Director • Director | 2 Jul 2014←10 Years→24 Jul 2024 | Active | |
| TBD (Owen Holland) Limited Director • Director | 2 Jul 2014←10 Years→24 Jul 2024 | Active | |
| Owen Holland (Engineering) Limited Director • Director | 2 Jul 2014←10 Years→24 Jul 2024 | Active | |
Radnor Design Engineering Limited Director • Engineer | 10 Nov 2004←14 Years→15 Oct 2019 | Dissolved | |
