| Company | Timeline | Status | |
| Sierra CP Engineering Limited Director • Chief Executive Officer | 13 Sep 2023←2 Years 3 Months→Current | Active | |
| Sepha Limited Director • Chief Executive Officer | 13 Sep 2023←2 Years 3 Months→Current | Active | |
| Sciemetric Limited Director • Unreported | 25 Aug 2020←5 Years→12 Dec 2025 | Dissolved | |
