| Company | Timeline | Status | |
| Helen Baker Ltd Director • Director | 13 Oct 2011←14 Years→Current | Active | |
| Trackmaps Limited Director • Administrator | 16 Jan 2001←2 Years 10 Months→9 Dec 2003 | Active | |
| Trackmaps Limited Secretary • Administrator | 16 Jan 2001←2 Years 10 Months→9 Dec 2003 | Active | |
| Esr Cartography Limited Director • Administrator | 13 Dec 2000←2 Years 8 Months→3 Sep 2003 | Dissolved | |
| Esr Cartography Limited Secretary • Administrator | 13 Dec 2000←2 Years 8 Months→3 Sep 2003 | Dissolved | |
