| Company | Timeline | Status | |
| Calderdale Geoscience Limited Secretary • Director | 27 Mar 2007←18 Years→Current | Active | |
| Calderdale Geoscience Limited Director • Unreported | 13 Apr 2004←21 Years→Current | Active | |
| Shepherd Melnyk Consultants Limited Director • Unreported | 20 Nov 1997←28 Years→Current | Active | |
