| Company | Timeline | Status | |
| PW Consulting Limited Secretary • Unreported | 2 Apr 2002←9 Months→15 Jan 2003 | Active | |
| O Tech Water Treatment Limited Director • Company Director | 13 Dec 1996←28 Years→Current | Active | |
| O Tech Water Treatment Limited Director • Company Director | 13 Dec 1996←28 Years→27 Aug 2025 | Active | |
