| Company | Timeline | Status | |
| Land & Marine Environmental Limited Director • Company Director | 5 Jun 1997←28 Years→Current | Active | |
| Phoenix Instrumentation Limited Director • Director | 1 Mar 1997←28 Years→Current | Active | |
| Seal Security Systems Limited Director • Electronics Engineer | 30 Sep 1992←1 Year 10 Months→3 Aug 1994 | Dissolved | |
| Phox Systems Limited Director • Electronics Engineer | 30 Sep 1992←1 Year 10 Months→15 Aug 1994 | Dissolved | |
| Pennon Waste Management Limited Director • Electronics Engineer | 30 Sep 1992←1 Year 11 Months→15 Sep 1994 | Dissolved | |
| D.M.P. (Holdings) Limited Director • Electronics Engineer | 9 Aug 1992←2 Years 1 Month→15 Sep 1994 | Dissolved | |
| Viridor Enterprises Limited Director • Electronics Engineer | 9 Aug 1992←2 Years 1 Month→15 Sep 1994 | Dissolved | |
| Vitesse Enterprises Limited Director • Director | 1 Jan 1970←55 Years→Current | Active | |
