| Company | Timeline | Status | |
| Hempel Firmus Metals Limited Director • Director | 1 Jul 2020←5 Years→Current | Active | |
| Hempel Special Metals Ltd Director • Director | 1 Jul 2020←5 Years→Current | Active | |
| Roper Consulting Limited Director • Director | 15 Nov 2019←6 Years→Current | Active | |
| Hempel Special Metals Ltd Director • Company Director | 9 Nov 2011←3 Years→11 Mar 2015 | Active | |
| Central Wire Industries UK Limited Director • Managing Director | 29 Dec 2009←9 Years→18 Jul 2019 | Active | |
Leigh & Sillavan Limited Director • Works Director | 14 Feb 2001←14 Years→11 Mar 2015 | Dissolved | |
| British Tungsten Limited Director • Director | 22 Dec 2000←14 Years→11 Mar 2015 | Active | |
AGW Commodity Holdings Limited Director • Works Director | 6 Apr 1998←16 Years→11 Mar 2015 | Dissolved | |
