| Company | Timeline | Status | |
| Walker Audio Design Ltd Director • Company Director  | 16 May 2021←4 Years→Current  | Active  | |
| Opus Pro Audio Limited Director • Director  | 5 Apr 2007←15 Years→20 Jun 2022  | Active  | |
| Opus Pro Audio Limited Secretary • Unreported  | 5 Apr 2007←15 Years→20 Jun 2022  | Active  | |
