| Company | Timeline | Status | |
| Edward Rock Limited Secretary • Accountant | 24 Nov 2008←8 Years→26 Aug 2017 | Active | |
| Helloween Touring Limited Secretary • Accountant | 14 Dec 2007←9 Years→26 Aug 2017 | Active | |
| Helloween Limited Secretary • Accountant | 14 Dec 2007←9 Years→26 Aug 2017 | Active | |
| Sanctuary Management Productions Limited Secretary • Accountant | 14 Dec 2007←9 Years→26 Aug 2017 | Active | |
Twilight Zone Management Limited Secretary • Accountant | 12 Dec 2007←9 Years→21 Aug 2017 | Dissolved | |
