| Company | Timeline | Status | |
| Summit Infectious Diseases Limited Director • Chief Scientific Officer | 29 Jan 2021←10 Months→26 Nov 2021 | Dissolved | |
| Summit Corporation Limited Director • Chief Scientific Officer | 29 Jan 2021←10 Months→26 Nov 2021 | Dissolved | |
| Muox Limited Director • Chief Scientific Officer | 29 Jan 2021←10 Months→26 Nov 2021 | Dissolved | |
| Summit Corporation Employee Benefit Trust Company Limited Director • Chief Scientific Officer | 29 Jan 2021←10 Months→26 Nov 2021 | Dissolved | |
| Discuva Limited Director • Chief Scientific Officer | 29 Jan 2021←10 Months→26 Nov 2021 | Active | |
| Summit (Wales) Limited Director • Chief Scientific Officer | 29 Jan 2021←10 Months→26 Nov 2021 | Dissolved | |
| Summit Discovery 1 Limited Director • Chief Scientific Officer | 29 Jan 2021←10 Months→26 Nov 2021 | Dissolved | |
| Summit Therapeutics Limited Director • Chief Scientific Officer | 29 Jan 2021←10 Months→26 Nov 2021 | Active | |
| Summit (Oxford) Limited Director • Chief Scientific Officer | 29 Jan 2021←10 Months→26 Nov 2021 | Active | |
| Summit (Cambridge) Limited Director • Chief Scientific Officer | 29 Jan 2021←10 Months→26 Nov 2021 | Dissolved | |
