| Company | Timeline | Status | |
| H H Electronics Limited Director • Engineer | 25 Jan 1996←25 Years→14 Oct 2021 | Active | |
| Laney Electronics Limited Director • Electrical Engineer | 31 Dec 1991←29 Years→14 Oct 2021 | Active | |
| Headstock Distribution Limited Director • Electrical Engineer | 31 Dec 1991←29 Years→31 Mar 2021 | Active | |
