| Company | Timeline | Status | |
| The Association For Geographic Information Director • Director | 1 Jan 2017←10 Months→1 Nov 2017 | Active | |
| The Association For Geographic Information Director • Gis Manager | 1 Jan 2011←4 Years→31 Dec 2014 | Active | |
| The Society Of Cartographers Limited Director • Gis Manager | 8 Sep 2010←2 Years 2 Months→8 Nov 2012 | Dissolved | |
| Geoenable Limited Director • Unreported | 1 Aug 2008←17 Years→Current | Active | |
