| Company | Timeline | Status | |
| Buysmart Products Limited Director • Unreported | 4 Feb 2024←1 Year 9 Months→Current | Active | |
| Woodchem Limited Director • Unreported | 1 Mar 2016←9 Years→Current | Active | |
| Enviroquest Research Limited Director • Unreported | 1 Jul 2001←24 Years→Current | Active | |
| Enviroquest GPT Limited Director • Unreported | 1 Jul 2001←24 Years→Current | Active | |
Wsteq Limited Director • Technical Director | 1 Jul 2001←13 Years→1 Sep 2014 | Dissolved | |
