| Company | Timeline | Status | |
| Castings Technology International Limited Director • Metallurgist | 21 Sep 2015←5 Years→19 Jan 2021 | Active | |
| OLD Market Court Ledbury Limited Director • Engineering Consultant | 4 Apr 2007←12 Years→20 Dec 2019 | Active | |
| Westley Group Limited Director • Professor | 1 Jun 1997←7 Years→31 Aug 2004 | Active | |
| Alloy Technologies (UK) Limited Director • Professor | 1 Mar 1996←4 Years→30 Jun 2000 | Active | |
Alfer Limited Director • Professor | 1 Jan 1994←1 Year 10 Months→20 Nov 1995 | Dissolved | |
| Triplex Alloys Limited Director • Company Director | 28 Aug 1991←3 Months→16 Dec 1991 | Dissolved | |
