| Company | Timeline | Status | |
| Alterhomebuild Ltd Director • Project Manager | 7 Feb 2020←1 Year 4 Months→8 Jun 2021 | Dissolved | |
| Mark Wallinger Landscapes Limited Secretary • Unreported | 11 Sep 2007←18 Years→Current | Active | |
| Mark Wallinger Landscapes Limited Director • Landscaper | 11 Sep 2007←18 Years→Current | Active | |
