| Company | Timeline | Status | |
Instant-Books UK Limited Director • Writer/cartographer | 20 Nov 2006←5 Years→23 Mar 2012 | Dissolved | |
Instant-Books UK Limited Secretary • Unreported | 20 Nov 2006←5 Years→23 Mar 2012 | Dissolved | |
| Discovery Walking Guides Limited Director • Cartographer/author | 11 Aug 1994←28 Years→28 Aug 2022 | Active | |
| Discovery Walking Guides Limited Secretary • Author | 11 Aug 1994←28 Years→28 Aug 2022 | Active | |
