| Company | Timeline | Status | |
| Frederick Building Management Company Limited Director • Architect | 14 Oct 2025←16 Days→Current | Active | |
| Frederick Building Freehold Company Limited Director • Architect | 8 Apr 2022←3 Years→Current | Active | |
| Frederick Building Freehold Company Limited Director • Architect | 8 Apr 2022←2 Years 10 Months→24 Feb 2025 | Active | |
