| Company | Timeline | Status | |
| John Chapman Conservation Ltd Director • General Manager | 30 Jul 2025←6 Months→Current | Active | |
| John Chapman Landscapes Ltd Director • Director | 28 Jun 2025←7 Months→Current | Active | |
| John Chapman Gardens Limited Director • Director | 7 Jun 2016←9 Years→Current | Active | |
| John Chapman Landscape Design And Construction Limited Director • Unreported | 9 Dec 2004←21 Years→Current | Active | |
