| Company | Timeline | Status | |
| Acreforce Limited Director • Consultant | 1 Sep 2003←19 Years→4 Oct 2022 | Dissolved | |
| Acreforce Limited Secretary • Consultant | 1 Sep 2003←19 Years→4 Oct 2022 | Dissolved | |
| 74 Osborne Road Management Co Ltd Director • Aerodynamicist | 11 Apr 2001←24 Years→Current | Active | |
| 74 Osborne Road Management Co Ltd Director • Aerodynamicist | 11 Apr 2001←24 Years→11 Sep 2025 | Active | |
