| Company | Timeline | Status | |
| PJB Systems Technology Limited Director • Company Director | 13 Dec 1996←26 Years→1 Feb 2023 | Dissolved | |
| PJB Systems Technology Limited Secretary • Company Director | 13 Dec 1996←26 Years→1 Feb 2023 | Dissolved | |
| PJB Associates Limited Director • Design Engineer | 22 Aug 1994←27 Years→5 Apr 2022 | Dissolved | |
