| Company | Timeline | Status | |
| UK Vein Clinic (Cambridge) Limited Director • Medical Consultant | 19 Sep 2024←1 Year 1 Month→Current | Active | |
| UK Vein Clinic (Thames Valley) Limited Director • Medical Consultant | 28 Apr 2022←3 Years→Current | Active | |
| UK Vein Clinic Ltd Director • Medical Consultant | 1 Feb 2021←4 Years→Current | Active | |
| Harley Medical Management Limited Director • Surgeon | 5 Feb 2016←7 Years→23 May 2023 | Dissolved | |
| Stephen Black Vascular Limited Director • Medical Consultant | 5 Sep 2011←14 Years→Current | Active | |
