| Company | Timeline | Status | |
| Sciecom Limited Director • Engineer | 27 Apr 2021←4 Years→Current | Active | |
| Intertech Asia Limited Director • Operations Director | 7 Feb 2021←4 Years→Current | Active | |
| Scientech Limited Director • Aviation Engineer | 31 Oct 2020←5 Years→Current | Active | |
| Selkirk Director • Engineer | 1 May 2005←16 Years→12 Oct 2021 | Dissolved | |
