| Company | Timeline | Status | |
| Quassia (Properties) Limited Director • Pcb Technician | 27 Mar 1998←27 Years→20 Mar 2025 | Dissolved | |
| Quassia (Electronics) Limited Director • Pcb Technician | 11 Dec 1991←34 Years→Current | Active | |
| Quassia (Electronics) Limited Director • Unreported | 1 Jan 1970←56 Years→Current | Active | |
