| Company | Timeline | Status | |
| Summit Infectious Diseases Limited Director • Director | 27 May 2020←6 Months→4 Dec 2020 | Dissolved | |
| Summit Corporation Limited Director • Director | 27 May 2020←6 Months→4 Dec 2020 | Dissolved | |
| Muox Limited Director • Director | 27 May 2020←6 Months→4 Dec 2020 | Dissolved | |
| Summit Corporation Employee Benefit Trust Company Limited Director • Director | 27 May 2020←6 Months→4 Dec 2020 | Dissolved | |
| Discuva Limited Director • Director | 27 May 2020←6 Months→4 Dec 2020 | Active | |
| Summit (Wales) Limited Director • Director | 27 May 2020←6 Months→4 Dec 2020 | Dissolved | |
| Summit Discovery 1 Limited Director • Director | 27 May 2020←6 Months→4 Dec 2020 | Dissolved | |
| Summit (Oxford) Limited Director • Director | 27 May 2020←6 Months→4 Dec 2020 | Active | |
| Summit (Cambridge) Limited Director • Director | 27 May 2020←6 Months→4 Dec 2020 | Dissolved | |
| Summit Therapeutics Limited Director • Company Director | 24 Dec 2019←11 Months→4 Dec 2020 | Active | |
