| Company | Timeline | Status | |
| Quartz Limited Director • Director | 19 May 2017←2 Years 11 Months→29 Apr 2020 | Active | |
| Heatking Limited Director • Director | 19 May 2017←2 Years 11 Months→29 Apr 2020 | Active | |
| Tev Holdings Limited Director • Director | 22 Feb 2017←3 Years→29 Apr 2020 | Active | |
| Eef Limited Director • Director | 1 Oct 2008←2 Years 9 Months→29 Jun 2011 | Active | |
| Thermal Energy Ventures Limited Director • Manufacturing Director | 31 Oct 2003←16 Years→29 Apr 2020 | Active | |
| Marstair Limited Director • Manufacturing Director | 31 Oct 2003←16 Years→29 Apr 2020 | Active | |
| Tev Limited Director • Director | 24 Sep 2003←16 Years→29 Apr 2020 | Active | |
