| Company | Timeline | Status | |
| Pencroft Associates Limited Director • Mechanical Engineer | 16 Nov 2016←4 Years→12 Oct 2021 | Dissolved | |
| JCTB Ltd Director • Mechanical Engineer | 13 Oct 2010←11 Years→12 Oct 2021 | Dissolved | |
| Kirkstall Precision Limited Director • Mechanical Engineer | 1 Dec 2006←14 Years→12 Oct 2021 | Active | |
