| Company | Timeline | Status | |
| Rockside Management (Fowey) Limited Director • Unreported | 20 Nov 1999←21 Years→5 Oct 2021 | Active | |
| Construction Industry Research And Information Association Director • Consulting Engineer | 17 Jun 1999←3 Years→1 Nov 2002 | Active | |
| D Impact Ltd Director • Chairman Engineering Consultan | 20 Nov 1998←1 Year→16 Dec 1999 | Active | |
| Black & Veatch International Ltd Director • Civil Engineer | 26 Feb 1997←3 Years→28 Jun 2000 | Active | |
| BBV Services Limited Director • Civil Engineer | 5 Jul 1991←8 Years→28 Jun 2000 | Dissolved | |
| Black & Veatch Environment Limited Director • Civil Engineer | 5 Jul 1991←8 Years→28 Jun 2000 | Dissolved | |
