| Company | Timeline | Status | |
| Bsi Standards Limited Director • Director | 17 May 2023←2 Years 6 Months→Current | Active | |
| Hypercat Alliance Limited Director • Company Director | 28 Jul 2017←5 Years→23 May 2023 | Dissolved | |
| The British Standards Institution Director • Unreported | 30 Sep 2012←13 Years→Current | Active | |
The International Sustainability Alliance Limited Director • Director | 9 Jun 2011←6 Months→20 Dec 2011 | Dissolved | |
| Bre Certification Director • Director | 1 Apr 2011←7 Months→17 Nov 2011 | Active | |
Thomas Telford (Holdings) Limited Director • Civil Engineer | 4 Nov 2003←5 Years→20 May 2009 | Dissolved | |
| Centralmargin Residents Management Limited Director • Civil Engineer | 28 Aug 2000←14 Years→1 Jun 2015 | Active | |
| Thomas Telford Limited Director • Civil Eng | 2 Nov 1999←9 Years→20 May 2009 | Active | |
| Construction Industry Research And Information Association Director • Civil Engineer | 4 May 1999←1 Year 6 Months→31 Oct 2000 | Active | |
| Jacobsgibb Ltd Director • Civil Engineer | 27 Jan 1993←7 Years→30 Jun 2000 | Active | |
