| Company | Timeline | Status | |
| Ase Environmental Ltd Director • Asbestos Surveyor And Remover | 24 Dec 2018←7 Years→Current | Active | |
| John Alderson & Son Limited Director • Thermal Insulation Engineer | 30 Apr 1991←27 Years→18 Nov 2018 | Active | |
| Harefield Hall Hotel Limited Secretary • Unreported | 6 Apr 1991←27 Years→18 Nov 2018 | Active | |
