| Company | Timeline | Status | |
Carbonquarter Ltd Director • Director | 7 Oct 2011←4 Years→2 Feb 2016 | Dissolved | |
| Quadrant Consultants Ltd Director • Management Consultant | 8 Dec 1990←35 Years→Current | Active | |
| Quadrant Consultants Ltd Director • Unreported | 1 Jan 1970←56 Years→Current | Active | |
