| Company | Timeline | Status | |
| Otis Limited Director • Engineering Director | 31 Aug 1992←2 Years→31 Aug 1994 | Active | |
Lift Components Limited Director • Director | 31 Aug 1991←3 Years→31 Aug 1994 | Dissolved | |
| Otis Limited Director • Unreported | 1 Jan 1970←24 Years→31 Aug 1994 | Active | |
