| Company | Timeline | Status | |
Vortech UK Limited Director • Engineer | 9 Nov 2006←7 Years→15 Apr 2014 | Dissolved | |
| Solvair Limited Director • Engineer | 1 Jun 2003←10 Years→18 Sep 2013 | Active | |
| Quickduct Limited Director • Engineer | 21 Dec 1998←24 Years→26 Oct 2023 | Active | |
Air Fabrications Limited Director • Engineer | 3 Jul 1992←24 Years→29 Nov 2016 | Dissolved | |
| Dustolex Limited Director • Engineer | 19 Jun 1992←30 Years→13 Feb 2023 | Active | |
