| Company | Timeline | Status | |
Peter Kelsey & Associates Limited Director • Structural Engineer | 20 Jul 1999←9 Years→31 Mar 2009 | Dissolved | |
| Gryphon Surveys Ltd Director • Structural Engineer | 26 Nov 1992←18 Years→26 Nov 2010 | Active | |
| Gryphon Surveys Ltd Director • Unreported | 1 Jan 1970←40 Years→26 Nov 2010 | Active | |
