| Company | Timeline | Status | |
| Diomed Group Holdings Limited Director • Unreported | 25 May 2024←1 Year 5 Months→Current | Active | |
| Diomed Developments Limited Director • Unreported | 24 May 2006←19 Years→Current | Active | |
| Diomed Developments Limited Secretary • Company Director | 1 Nov 2005←20 Years→Current | Active | |
Michael Jonathan & Co Limited Secretary • Company Director | 1 Nov 2005←10 Years→11 May 2016 | Dissolved | |
| Drythanol Limited Secretary • Company Director | 1 Sep 2005←20 Years→Current | Active | |
| Diomed Direct Limited Director • Unreported | 1 Aug 1997←28 Years→Current | Active | |
Pharma-Phone Limited Director • Secretary | 5 Jun 1991←27 Years→28 May 2019 | Dissolved | |
