| Company | Timeline | Status | |
| Pest Express Limited Director • Director | 1 Apr 2010←15 Years→Current | Active | |
| Machin & Toplass Limited Director • Environmental Health Consultant | 23 Dec 2003←21 Years→Current | Active | |
| Machin & Toplass Limited Secretary • Environmental Health Consultant | 23 Dec 2003←21 Years→Current | Active | |
