| Company | Timeline | Status | |
| Groundwork Environmental Services (West London) Limited Secretary • Unreported  | 17 Oct 2001←8 Years→30 Jun 2010  | Active  | |
| Groundwork West London Secretary • Unreported  | 17 Oct 2001←7 Years→31 Mar 2009  | Active  | |
| Wall Plastics Limited Secretary • Unreported  | 7 Sep 1991←4 Years→26 Jan 1996  | Active  | |
| Collins (Contractors) Limited Secretary • Unreported  | 7 Sep 1991←4 Years→25 Jan 1996  | Active  | |
