| Company | Timeline | Status | |
| ISRCTN Director • Publisher | 1 Jan 2014←11 Years→Current | Active | |
| ISRCTN Director • Publisher | 1 Jan 2014←10 Years→27 Sep 2024 | Active | |
| Mac Keith Press Director • Publisher | 25 Oct 2013←9 Years→5 Nov 2022 | Active | |
| Portland Press Limited Director • Managing Director | 11 Jun 2012←1 Year 1 Month→12 Jul 2013 | Active | |
