| Company | Timeline | Status | |
Geo-I Consultants Limited Director • Professor | 6 Mar 2015←1 Year 4 Months→5 Jul 2016 | Dissolved | |
OLDGDC Limited Director • University Professor | 1 Apr 2005←1 Year 10 Months→20 Feb 2007 | Dissolved | |
| Occam Underwriting Limited Director • Director Space | 14 May 2004←1 Year 4 Months→30 Sep 2005 | Active | |
| Open Geospatial Consortium (Europe) Limited Director • Professor | 1 Jan 2002←16 Years→31 Mar 2018 | Active | |
Yeoman (Cambridge) Plc Director • Director | 3 Jul 1991←8 Years→25 May 2000 | Dissolved | |
