| Company | Timeline | Status | |
| Electrical Testing Limited Director • Engineer | 8 Oct 2001←23 Years→29 Oct 2024 | Active | |
| Electrical Testing (Holdings) Limited Director • Engineer | 24 Aug 2001←23 Years→29 Oct 2024 | Active | |
| Networksuk Ltd Director • Electrical Engineer | 18 Feb 1994←30 Years→29 Oct 2024 | Active | |
| Electrical Testing Limited Director • Engineer | 28 Feb 1991←8 Years→31 Mar 1999 | Active | |
