| Company | Timeline | Status | |
| Cambridge Conference Solutions Limited Director • Director | 31 May 2013←3 Years→1 Jun 2016 | Active | |
| Respiratory Effectiveness Limited Director • Director | 9 Jan 2013←3 Years→21 May 2016 | Active | |
| Optimum Patient Care Global Limited Director • Director | 13 Sep 2005←20 Years→Current | Active | |
| Observational And Pragmatic Research International Limited Director • Doctor | 26 Apr 2001←24 Years→Current | Active | |
| Respiratory Education UK Director • Professor University Aberdeen | 1 Apr 2001←5 Years→10 Apr 2006 | Dissolved | |
