| Company | Timeline | Status | |
| The Sirona Foundation Director • Unreported | 30 Nov 2025←1 Month→Current | Active | |
| The Nelson Trust Director • Unreported | 19 Jul 2024←1 Year 6 Months→Current | Active | |
| Sirona Care & Health C.I.C Director • Unreported | 13 May 2024←1 Year 6 Months→30 Nov 2025 | Active | |
| Sirona Care Services Limited Director • Unreported | 1 Apr 2020←3 Years→29 Jul 2023 | Active | |
| Sirona Care & Health C.I.C Director • Unreported | 1 Apr 2020←3 Years→29 Jul 2023 | Active | |
| The Sirona Foundation Director • Unreported | 12 Feb 2013←12 Years→30 Nov 2025 | Active | |
| Oak House Trust Limited Director • Unreported | 15 Dec 2008←12 Years→18 Jul 2021 | Dissolved | |
