| Company | Timeline | Status | |
| Linear Diagnostics Limited Director • Registered Medical Practitioner | 30 Sep 2013←4 Years→10 Nov 2017 | Active | |
| The Faculty Of Pharmaceutical Medicine Of The Royal Colleges Of Physicians Of The United Kingdom Director • Doctor | 29 Nov 2012←5 Years→2 Nov 2018 | Active | |
Bioscience Ventures Limited Director • Registered Medical Practitioner | 1 Nov 2010←5 Years→20 Jun 2016 | Dissolved | |
| Alta Bioscience Limited Director • Registered Medical Practitioner | 1 Nov 2010←5 Years→20 Jun 2016 | Active | |
| Baxterboyd Limited Director • Consultant | 6 Nov 2009←11 Years→17 Nov 2020 | Dissolved | |
| Celentyx Limited Director • Unreported | 17 Dec 2007←17 Years→Current | Active | |
| Alan Boyd Consultants Limited Director • Unreported | 17 Mar 2005←20 Years→Current | Active | |
