| Company | Timeline | Status | |
| Boxmoor Contracting Limited Director • Quantity Surveyor | 2 Jun 2017←5 Years→1 May 2023 | Active | |
| Brickstone Construction Limited Director • Unreported | 6 May 2015←10 Years→Current | Active | |
| Pdy Systems Limited Director • Company Director | 31 Dec 2009←3 Years→1 Jan 2013 | Dissolved | |
| Boxmoor Construction Limited Director • Q S | 23 Sep 2009←16 Years→Current | Active | |
| Structherm Limited Director • Quantity Surveyor | 1 Jan 2009←2 Years 1 Month→31 Jan 2011 | Active | |
| Time Research Limited Secretary • Unreported | 6 Nov 2003←18 Years→14 Jun 2022 | Dissolved | |
| Irvine-Whitlock Limited Director • Quantity Surveyor | 1 Mar 1996←18 Years→31 Jul 2014 | Active | |
| The London Building And Restoration Company Limited Director • Quantity Surveyor | 12 Dec 1990←12 Years→18 Feb 2003 | Active | |
