| Company | Timeline | Status | |
| Djaja Holdings Limited Director • Chartered Engineer | 24 Jan 2022←3 Years→Current | Active | |
| G D Partnership Limited Director • Chartered Engineer | 19 Feb 2020←5 Years→Current | Active | |
| G D Partnership Limited Director • Structural Engineer | 1 Oct 2003←16 Years→19 Feb 2020 | Active | |
