| Company | Timeline | Status | |
| Bath Industrial Heritage Trust Limited Director • Retired Consultant, Industrial Conservat | 30 Sep 2019←6 Years→Current | Active | |
| Bath Industrial Heritage Trust Limited Director • Retired Consultant, Industrial Conservation | 30 Sep 2019←5 Years→26 Sep 2025 | Active | |
| Association For Industrial Archaeology Director • Retired | 11 Aug 2019←6 Years→Current | Active | |
| Association For Industrial Archaeology Director • Retired | 11 Aug 2019←6 Years→7 Sep 2025 | Active | |
| Tec Bristol Limited Director • Director | 31 Mar 2017←8 Years→Current | Active | |
| The Newcomen Society For The Study Of The History Of Engineering And Technology Director • Engineer | 1 Oct 2010←6 Years→28 Feb 2017 | Active | |
| Heritage Ironwork Trust Ltd Director • Engineer | 17 Sep 2009←5 Years→16 Sep 2014 | Active | |
| Traditional Engineering Company Limited Director • Engineer | 7 Feb 2007←10 Years→31 Mar 2017 | Active | |
Dorothea Restorations Limited Director • Engineer | 31 Dec 1991←15 Years→1 Mar 2007 | Dissolved | |
| Avon Industrial Buildings Trust Limited Director • Engineer | 12 Jul 1991←30 Years→23 Nov 2021 | Active | |
