| Company | Timeline | Status | |
| Micron Analytical Limited Director • Chemist | 11 Nov 2011←14 Years→Current | Active | |
| Holliday Concrete Testing Limited Director • Engineer | 28 Apr 2008←17 Years→Current | Active | |
| 4-Rail Services Limited Director • Chemist | 1 Apr 1997←28 Years→Current | Active | |
