| Company | Timeline | Status | |
| WHT Holdings Limited Director • Metallurgist | 1 Apr 2007←6 Years→10 Apr 2013 | Active | |
| Contract Heat Treatment Association(The) Director • Metallurgist | 11 Dec 2003←14 Years→10 May 2018 | Active | |
| Wallwork Cambridge Limited Director • Metallurgist | 24 Jun 1997←15 Years→10 Apr 2013 | Active | |
| Wallwork Heat Treatment (Birmingham) Limited Secretary • Metallurgist | 1 Jan 1992←21 Years→13 Feb 2013 | Active | |
| Wallwork Heat Treatment (Birmingham) Limited Director • Metallurgist | 18 Oct 1991←21 Years→10 Apr 2013 | Active | |
| Wallwork Heat Treatment Limited Director • Metallurgist | 18 Oct 1991←21 Years→10 Apr 2013 | Active | |
