| Company | Timeline | Status | |
| Quantum Teknik Limited Director • Electrical Engineer | 24 Mar 1999←26 Years→Current | Active | |
| Nu Network Products Limited Director • Electrical/controls Engineer | 9 Jun 1992←3 Years→7 Oct 1995 | Active | |
Gardners Electrical Limited Director • Electrical Engineer | 12 Jan 1992←7 Years→30 Jun 1999 | Dissolved | |
