| Company | Timeline | Status | |
| Tudor Hall Energy Limited Director • Consultant | 1 Nov 2014←4 Years→31 Dec 2018 | Active | |
| Tudor Hall Energy Europe Limited Director • Consultant | 1 Oct 2014←4 Years→31 Dec 2018 | Active | |
| Zbasys Limited Secretary • Accountant | 12 Sep 2008←17 Years→Current | Active | |
| Ybasys Limited Secretary • Accountant | 12 Sep 2008←17 Years→Current | Active | |
| Xbasys Limited Secretary • Accountant | 12 Sep 2008←17 Years→Current | Active | |
| Ybasys Limited Director • Accountant | 7 Dec 2006←18 Years→Current | Active | |
| Zbasys Limited Director • Accountant | 7 Dec 2006←18 Years→Current | Active | |
| Xbasys Limited Director • Accountant | 4 Dec 2006←18 Years→Current | Active | |
