| Company | Timeline | Status | |
| VSL Systems (UK) Limited Director • Company Director | 26 Feb 1992←4 Years→12 Nov 1996 | Active | |
| Brigtech Limited Director • Engineer | 13 Jul 1991←34 Years→Current | Active | |
| Maurer (U.K.) Limited Director • Engineer | 13 Jul 1991←34 Years→Current | Active | |
