| Company | Timeline | Status | |
| Sustainable Cooling Technologies Ltd Director • Director | 15 May 2023←2 Years 7 Months→Current | Active | |
| Quartz Limited Director • Director | 29 Apr 2020←5 Years→Current | Active | |
| Heatking Limited Director • Director | 29 Apr 2020←5 Years→Current | Active | |
| Thermal Energy Ventures Limited Director • Director | 29 Apr 2020←5 Years→Current | Active | |
| Marstair Limited Director • Director | 29 Apr 2020←5 Years→Current | Active | |
| City Of York Trading Limited Director • Company Director | 3 Sep 2019←2 Years 5 Months→7 Feb 2022 | Active | |
