| Company | Timeline | Status | |
| The Heat Pump Hub Limited Director • Company Director | 5 Oct 2020←1 Year 3 Months→4 Jan 2022 | Dissolved | |
| Ecovation Limited Director • Consultant Engineer | 30 Jan 2017←8 Years→Current | Active | |
| Geothermique Limited Director • Unreported | 12 Aug 2008←17 Years→Current | Active | |
Ambrite Limited Director • Director | 17 Mar 2005←9 Years→21 Oct 2014 | Dissolved | |
