| Company | Timeline | Status | |
| Screwjack Ltd Director • Chairman | 12 Sep 2022←3 Years→Current | Active | |
| Vent Fire Limited Director • Chairman | 27 Nov 2019←5 Years→Current | Active | |
| Powdertec Solutions LLP Designated LLP Member • Unreported | 17 Mar 2011←14 Years→Current | Active | |
| Vent Limited Director • Director | 19 Dec 2003←21 Years→Current | Active | |
| Ventec 2003 Limited Director • Director | 28 Mar 2003←22 Years→Current | Active | |
| Ventec 100 Limited Director • Chairman | 17 Jun 1991←34 Years→Current | Active | |
| Ventec 100 Limited Secretary • Unreported | 17 Jun 1991←11 Years→14 Apr 2003 | Active | |
