| Company | Timeline | Status | |
| The Association For Geographic Information Director • Managing Director | 25 Jan 2012←9 Months→1 Nov 2012 | Active | |
Travel Health Check Limited Director • Geographic Information Consultant | 19 Apr 2010←4 Years→6 Mar 2015 | Dissolved | |
| Knowledge Mappers Ltd Director • Unreported | 7 Jan 2005←20 Years→Current | Active | |
| The Association For Geographic Information Director • Digital Mapping Consultancy | 1 Jan 2002←3 Years→31 Dec 2004 | Active | |
