| Company | Timeline | Status | |
| Quartz Limited Secretary • Accountant | 19 Jan 2005←12 Years→19 May 2017 | Active | |
| Quartz Limited Director • Accountant | 19 Jan 2005←12 Years→19 May 2017 | Active | |
| Heatking Limited Director • Accountant | 9 Jun 2004←12 Years→19 May 2017 | Active | |
| Heatking Limited Secretary • Accountant | 9 Jun 2004←12 Years→19 May 2017 | Active | |
| Thermal Energy Ventures Limited Secretary • Accountant | 31 Oct 2003←13 Years→19 May 2017 | Active | |
| Thermal Energy Ventures Limited Director • Accountant | 31 Oct 2003←13 Years→19 May 2017 | Active | |
| Marstair Limited Secretary • Accountant | 31 Oct 2003←13 Years→19 May 2017 | Active | |
| Marstair Limited Director • Accountant | 31 Oct 2003←13 Years→19 May 2017 | Active | |
| Tev Limited Director • Director | 24 Sep 2003←13 Years→19 May 2017 | Active | |
| Tev Limited Secretary • Director | 24 Sep 2003←13 Years→19 May 2017 | Active | |
