| Company | Timeline | Status | |
| Bardhan Research And Education Trust Of Rotherham Director • Doctor  | 28 Sep 2013←12 Years→Current  | Active  | |
| Capsulereader Ltd Director • Doctor  | 21 Mar 2013←12 Years→Current  | Active  | |
| Mark McAlindon Limited Director • Doctor  | 1 Feb 2012←13 Years→Current  | Active  | |
Gastrofirst Ltd Director • Doctor  | 27 Jan 2005←12 Years→23 May 2017  | Dissolved  | |
