| Company | Timeline | Status | |
| Montvert Ltd Director • Chartered Engineer | 14 Apr 2010←15 Years→Current | Active | |
| Capita Property And Infrastructure (Structures) Limited Director • Commercial Director | 1 Nov 2006←1 Year 7 Months→16 Jun 2008 | Active | |
| Capita Property And Infrastructure Limited Director • Commercial Director | 1 Nov 2006←1 Year 7 Months→16 Jun 2008 | Active | |
| The X-Fliers Limited Director • Chartered Engineer | 1 Jul 2005←6 Years→1 Sep 2011 | Active | |
| Association For Consultancy And Engineering Director • Chartered Eng | 11 May 2004←4 Years→31 Jan 2009 | Active | |
| Tetra Tech Limited Director • Chartered Civil Engineer | 21 Jul 1997←9 Years→31 Oct 2006 | Active | |
Ernest Green Partnership Limited Director • Chartered Civil Engineer | 21 Jul 1997←5 Months→31 Dec 1997 | Dissolved | |
| Mouchel Limited Director • Engineer | 6 Dec 1991←4 Years→7 Jun 1996 | Active | |
