| Company | Timeline | Status | |
| C A Daw & Son Limited Director • Civil Engineer | 10 Aug 1999←6 Years→29 Aug 2005 | Active | |
| Magna Buildings Limited Director • Structural Engineer | 5 Dec 1990←35 Years→Current | Active | |
| Magna Buildings Limited Director • Unreported | 1 Jan 1970←56 Years→Current | Active | |
