| Company | Timeline | Status | |
| Sparrows Holdings Limited Director • Director | 15 Dec 2020←5 Years→Current | Active | |
| Rapid Rays Ltd Director • Medical Doctor | 26 Apr 2017←5 Years→28 Jun 2022 | Dissolved | |
| Helen Rollason Heal Cancer Charity Director • Consultant Oncologist | 8 May 2012←1 Year 11 Months→7 Apr 2014 | Active | |
D.S. Oncology Ltd Director • Doctor Of Medicine | 8 Mar 2012←4 Years→31 Mar 2016 | Dissolved | |
| Sparrows Limited Director • Doctor | 14 May 2007←18 Years→Current | Active | |
