| Company | Timeline | Status | |
| Netherby Gravel Company Limited(The) Director • Builder | 4 Jan 1992←20 Years→11 Apr 2012 | Active | |
| Beaumont Gravel Limited Director • Builder | 4 Jan 1991←21 Years→11 Apr 2012 | Active | |
| Cairn Isle Property Company Limited Director • Builder | 16 Jul 1989←22 Years→11 Apr 2012 | Active | |
| Hoddam Contracting Company Limited Director • Building Contractor | 3 Apr 1988←24 Years→11 Apr 2012 | Active | |
