| Company | Timeline | Status | |
| Mapaction Services Limited Director • Geologist | 20 Jun 2015←4 Years→7 Dec 2019 | Active | |
| Crockham Hill Cic Director • Unreported | 3 Jul 2012←13 Years→Current | Active | |
| Mapaction Director • Geologist | 9 Mar 2009←10 Years→7 Dec 2019 | Active | |
| Westerham Brewery Pub Company Limited Director • Company Secretary | 16 Jan 2009←16 Years→Current | Active | |
| Westerham Brewery Pub Company Limited Secretary • Company Secretary | 16 Jan 2009←16 Years→Current | Active | |
| Netgis Limited Director • Geologist | 29 Jul 1997←27 Years→23 Jul 2024 | Dissolved | |
| Crockham Park Limited Director • Geologist | 25 Nov 1994←30 Years→Current | Active | |
CGG Npa Satellite Mapping Limited Director • Geologist | 31 Dec 1991←18 Years→30 Jul 2010 | Dissolved | |
