| Company | Timeline | Status | |
| Fluorspar Ventures Limited Director • Director | 6 Sep 2021←4 Years→Current | Active | |
| Mineral Heritage Limited Director • Director | 10 Jun 2019←6 Years→Current | Active | |
| UK Mining Ventures Limited Director • Director | 6 Apr 2017←8 Years→Current | Active | |
| Mineral Bases Limited Director • Director | 28 Mar 2017←8 Years→Current | Active | |
| Crystal Classics Auctions Limited Director • Director | 28 Mar 2017←8 Years→Current | Active | |
| Hammerstein Auctions Ltd Director • Director | 19 Jun 2014←11 Years→Current | Active | |
Mineral Bases Limited Director • Director | 30 Apr 2014←2 Years 4 Months→20 Sep 2016 | Dissolved | |
| Terracrystals Limited Director • Director | 26 Mar 2013←12 Years→Current | Active | |
| Hymerford Ltd Director • Director | 26 Mar 2013←12 Years→Current | Active | |
| Crystal Classics Fine Minerals Limited Director • Geologist | 19 May 2011←14 Years→Current | Active | |
