| Company | Timeline | Status | |
| Doveshores Limited Director • Consulting Engineer | 16 Aug 1994←16 Years→2 Jan 2011 | Active | |
| 84 Edith Road (Management) Limited Director • Consulting Engineer | 19 Jan 1994←16 Years→2 Jan 2011 | Active | |
| Doveshores Limited Director • Consulting Engineer | 16 Aug 1991←1 Year 11 Months→19 Jul 1993 | Active | |
| Cabeck Holdings Limited Director • Consulting Engineer | 18 Jul 1991←19 Years→2 Jan 2011 | Active | |
