| Company | Timeline | Status | |
Aeonium Properties Limited Director • Retired | 6 Feb 2015←2 Years 1 Month→28 Mar 2017 | Dissolved | |
| Roan Properties Limited Director • Consulting Engineer | 1 Jul 1994←21 Years→16 Dec 2015 | Dissolved | |
National Engineering Specification Limited Director • Engineer | 19 Mar 1992←11 Months→26 Feb 1993 | Dissolved | |
| Hanson Mendick Waring Services Limited Director • Engineer | 31 Oct 1991←34 Years→Current | Liquidation | |
