| Company | Timeline | Status | |
| London & Hertfordshire Respiratory Diagnostics Limited Director • Director | 12 Jul 2018←7 Years→Current | Active | |
| Penrose Care Ltd Director • Physician | 6 Jul 2012←13 Years→Current | Active | |
| Penrose Ltd Director • Physician | 5 Jul 2012←13 Years→Current | Active | |
