| Company | Timeline | Status | |
| Serena Finzel Limited Director • Interior Design / Garden Design | 22 Jan 2020←5 Years→25 Mar 2025 | Dissolved | |
| Bach Wen Limited Director • Landscape Architect | 18 Apr 2019←6 Years→Current | Active | |
| Bach Wen Limited Director • Landscape Architect | 18 Apr 2019←5 Years→31 Mar 2025 | Active | |
