| Company | Timeline | Status | |
| Hillstone Global Group Ltd Director • Engineer | 26 Feb 2025←9 Months→Current | Active | |
| Battlife Ltd Director • Electrical Engineer | 28 Jan 2019←6 Years→Current | Active | |
| Hillstone Global Limited Director • Engineer | 1 Feb 2018←7 Years→Current | Active | |
| Hillstone Power Limited Director • Engineer | 3 Jul 2003←22 Years→Current | Active | |
| Hillstone Products Limited Director • Engineer | 9 Nov 1995←30 Years→Current | Active | |
