| Company | Timeline | Status | |
| Rowena Road Estate Management Limited Director • Chartered Surveyor | 25 Sep 2023←2 Years 2 Months→Current | Active | |
| Natural Capital Market Ltd Director • Chartered Surveyor | 30 Apr 2023←2 Years→30 Apr 2025 | Active | |
| Carter Jonas Limited Director • Chartered Surveyor | 30 Apr 2023←2 Years→30 Apr 2025 | Active | |
| The Carter Jonas Group Limited Director • Chartered Surveyor | 30 Apr 2023←2 Years→30 Apr 2025 | Active | |
| McGuinness Waddington Real Estate Ltd Director • Chartered Surveyor | 30 Mar 2022←2 Years 1 Month→21 May 2024 | Dissolved | |
| J B Planning Associates Limited Director • Chartered Surveyor | 30 Jul 2021←2 Years 9 Months→30 Apr 2024 | Dissolved | |
| Williams Gunter Hardwick Limited Director • Chartered Surveyor | 30 Apr 2019←2 Years 12 Months→26 Apr 2022 | Dissolved | |
| Kemp & Kemp Limited Director • Chartered Surveyor | 31 May 2017←7 Years→30 Apr 2025 | Active | |
Architectural Partnerships Limited Director • Chartered Surveyor | 1 May 2017←1 Year 12 Months→30 Apr 2019 | Dissolved | |
| Carter Jonas Enterprises Limited Director • Chartered Surveyor | 16 Dec 2016←8 Years→30 Apr 2025 | Active | |
