| Company | Timeline | Status | |
| Atmosphere Control International Limited Director • Engineering R And D | 23 Dec 2001←9 Years→14 Oct 2011 | Dissolved | |
Corac Energy Technologies Limited Director • Engineering R And D | 23 Dec 2001←9 Years→14 Oct 2011 | Dissolved | |
| TP Group Limited Director • Unreported | 12 Nov 2001←9 Years→14 Oct 2011 | Dissolved | |
| Poldaw Designs Ltd Director • Consulting Engineer | 21 Jan 1998←7 Months→30 Aug 1998 | Active | |
