| Company | Timeline | Status | |
| Postcode Data Limited Director • Cartographer | 17 Mar 2015←10 Years→Current | Active | |
| Xyz Maps Ltd Director • Cartographer | 11 Feb 2013←12 Years→Current | Active | |
| John Bartholomew & Son Limited Director • Cartographer | 20 May 2003←22 Years→Current | Active | |
| Global Mapping Limited Director • Company Director | 27 Nov 2001←14 Years→29 Feb 2016 | Active | |
The Xyz Digital Map Company Limited Director • Cartographic Draughtsman | 11 Jun 1998←19 Years→11 Aug 2017 | Dissolved | |
