| Company | Timeline | Status | |
| Cliffside Windows Limited Director • Executive | 30 Sep 1991←34 Years→Current | Active | |
| Cliffside Construction Co. Limited Director • Director | 26 Jul 1991←33 Years→31 Dec 2024 | Dissolved | |
| Cliffside Windows Limited Director • Unreported | 1 Jan 1970←56 Years→Current | Active | |
