| Company | Timeline | Status | |
| Foulds Investments Limited Director • Director | 4 Mar 2002←23 Years→Current | Active | |
| Whitehead Concrete Holdings Limited Director • Director | 4 Mar 2002←23 Years→Current | Active | |
| R.Whitehead(Concrete)Limited Director • Director | 12 Apr 1991←34 Years→Current | Active | |
