| Company | Timeline | Status | |
| Blyth Investment Holdings Limited Director • Builder | 10 Jan 1997←7 Years→30 Sep 2004 | Active | |
| Calibre Homes Limited Director • Builder | 21 Dec 1991←15 Years→8 Jan 2007 | Active | |
| Vaughan & Blyth (Contractors) Limited Director • Builder | 21 Dec 1991←15 Years→8 Jan 2007 | Dissolved | |
| Vaughan & Blyth Limited Director • Builder | 21 Dec 1991←15 Years→8 Jan 2007 | Active | |
| Calibre Homes Limited Director • Unreported | 1 Jan 1970←37 Years→8 Jan 2007 | Active | |
