| Company | Timeline | Status | |
| Siebe Environmental Systems (Europe) Limited Director • Unreported | 3 Mar 1998←1 Year 10 Months→10 Jan 2000 | Dissolved | |
Satchwell Controls Limited Director • Executive Managing Director | 3 Mar 1998←1 Year 10 Months→10 Jan 2000 | Dissolved | |
| Tac Products Limited Director • Executive Managing Director | 3 Mar 1998←1 Year 10 Months→10 Jan 2000 | Active | |
| Otis E&M Company Limited Director • Director Of Overseas Operation | 25 Feb 1994←3 Years→31 Jul 1997 | Active | |
Verico Europe Holding Limited Director • Executive | 12 Dec 1992←1 Year 5 Months→24 May 1994 | Dissolved | |
