| Company | Timeline | Status | |
| Cotton Mill Property Company (St.Albans)Limited Director • Engineer | 29 Dec 1991←33 Years→29 Sep 2025 | Active | |
| Belmont Precision Engineering Company Limited Director • Engineer | 31 Mar 1991←34 Years→29 Sep 2025 | Active | |
| Belmont Precision Engineering Company Limited Director • Unreported | 1 Jan 1970←55 Years→29 Sep 2025 | Active | |
| Cotton Mill Property Company (St.Albans)Limited Director • Unreported | 1 Jan 1970←55 Years→29 Sep 2025 | Active | |
