| Company | Timeline | Status | |
| O4 On-Site Limited Director • Unreported | 15 Jan 2026←1 Month→Current | Active | |
| O4 Research Limited Director • Unreported | 13 Mar 2019←6 Years→Current | Active | |
Improve Healthcare Limited Director • Unreported | 11 Nov 2014←4 Years→23 Apr 2019 | Dissolved | |
