| Company | Timeline | Status | |
| In One Software Limited Director • Electronics Engineer | 17 Mar 2003←18 Years→1 Jun 2021 | Dissolved | |
| Contrel Limited Director • Unreported | 23 Sep 1997←23 Years→21 Jan 2021 | Active | |
| Accris Test Equipment Limited Director • Electronics Engineer | 15 Oct 1991←29 Years→1 Jun 2021 | Dissolved | |
