| Company | Timeline | Status | |
Pillarhouse Limited Director • Engineer | 29 Dec 1991←25 Years→18 Apr 2017 | Dissolved | |
| Pillarhouse International Limited Director • Engineer | 31 Dec 1990←35 Years→Current | Active | |
| Pillarhouse International Limited Director • Unreported | 1 Jan 1970←56 Years→26 Dec 2025 | Active | |
