| Company | Timeline | Status | |
| European Research Press Limited Director • Environmental Advisor/editor | 1 May 2024←1 Year 5 Months→Current | Active | |
| The Yorkshire Garden School Limited Director • Director | 29 Oct 2018←6 Years→Current | Active | |
| The Gardener's Friend Limited Director • Director | 27 Oct 2017←8 Years→Current | Active | |
| Opal Research And Consulting Limited Director • Consultant | 9 Jul 2005←20 Years→Current | Active | |
| Opal Research And Consulting Limited Secretary • Consultant | 9 Jul 2005←20 Years→Current | Active | |
| 51 Wadeson Street Management Company Limited Secretary • Consultant | 22 May 2005←6 Months→28 Nov 2005 | Active | |
