| Company | Timeline | Status | |
| HJS Underfloor Heating Supplies Ltd Director • Director | 7 Mar 2017←8 Years→Current | Active | |
| Natural Green Heat Limited Director • Technical Director | 28 Aug 2014←3 Years→20 Jan 2018 | Active | |
| Huw Jeffreys & Son Limited Director • Plumber | 22 Sep 2009←16 Years→Current | Active | |
