| Company | Timeline | Status | |
| Overcoming Multiple Sclerosis Director • Management Consultant | 14 May 2024←1 Year 5 Months→Current | Active | |
| Kerr Mediation Limited Director • Company Director | 16 Jul 2020←2 Years 5 Months→27 Dec 2022 | Dissolved | |
Healthcare Commissioning Solutions Limited Director • Director | 11 Apr 2014←4 Years→24 Apr 2018 | Dissolved | |
| Kerr Darnley Limited Director • Management Consultant | 10 Sep 2013←12 Years→Current | Active | |
