| Company | Timeline | Status | |
| The Middle Ground Calverton Company Limited Director • Director | 5 Aug 2019←6 Years→Current | Active | |
| The Calverton Manor Farmyard Management Company Limited Director • Company Director | 14 Nov 2007←17 Years→Current | Active | |
| Elderflowers Projects Company Ltd Director • Chartered Town Planner | 29 May 2003←5 Years→31 Dec 2008 | Dissolved | |
| Dla Architects Practice Limited Director • Chartered Town Planner | 14 Oct 2002←18 Years→2 Jul 2021 | Active | |
| Integrated Transport Planning Limited Director • Chartered Town Planner | 1 Apr 1998←12 Years→22 Dec 2010 | Active | |
| Dla Architects Ltd Director • Chartered Town Planner | 1 Apr 1998←22 Years→22 Oct 2020 | Active | |
| City Discovery Centre (Trading) Co. Limited Director • Unreported | 9 Sep 1997←28 Years→Current | Active | |
| David Lock Associates Limited Director • Chartered Town Planner | 14 Sep 1991←21 Years→31 Jul 2013 | Active | |
| Town And Country Planning Association Director • Chartered Town Planner And Com | 23 May 1991←24 Years→19 Jul 2015 | Active | |
| City Discovery Centre Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
