| Company | Timeline | Status | |
| Optiquality Limited Director • Musician | 27 Jul 2009←16 Years→Current | Active | |
| Optiquality (Holdings) Limited Director • Musician | 27 Jul 2009←16 Years→Current | Active | |
| Quality Optics Limited Director • Musician | 14 May 1992←33 Years→Current | Active | |
