| Company | Timeline | Status | |
| Jsa Energy Limited Director • Director | 19 Jan 2010←13 Years→11 Apr 2023 | Dissolved | |
| Jsa Planning Limited Director • Director | 19 Jan 2010←13 Years→11 Apr 2023 | Dissolved | |
| Jsa Architects Limited Director • Chartered Architect | 29 Jun 2007←18 Years→Current | Active | |
