| Company | Timeline | Status | |
| Jarvis Group Trustees Limited Director • Unreported | 24 May 2006←6 Years→30 Jul 2012 | Active | |
| David Jarvis Associates Limited Director • Landscape Architect | 7 Mar 1992←20 Years→30 Jul 2012 | Active | |
| Jarvis Holdings Limited Director • Landscape Architect | 31 Mar 1991←21 Years→30 Jul 2012 | Active | |
| Jarvis Holdings Limited Director • Unreported | 1 Jan 1970←42 Years→30 Jul 2012 | Active | |
