| Company | Timeline | Status | |
| Clark Pharma Diagnostics Ltd Director • Director | 14 Jul 2023←2 Years 3 Months→Current | Active | |
| Clark Pharma Limited Director • Pharmacist | 5 Apr 2017←8 Years→Current | Active | |
| Frank Jones (Chemist) Limited Director • Pharmacist | 4 Mar 2016←9 Years→Current | Active | |
| A.C. Moule Limited Director • Pharmacist | 1 Jul 2015←2 Years→7 Jul 2017 | Active | |
| Knightingales Limited Director • Director | 14 Apr 2015←2 Years 2 Months→7 Jul 2017 | Active | |
Clark (PH) Services Ltd Director • Pharmacist | 8 Jul 2014←1 Year 8 Months→29 Mar 2016 | Dissolved | |
