| Company | Timeline | Status | |
| Protoclean Limited Director • University Professor | 16 Jan 2010←14 Years→21 May 2024 | Dissolved | |
| Clothopharma Limited Director • University Professor | 16 Jan 2010←14 Years→7 May 2024 | Dissolved | |
| Twenty-Eight Great Pulteney Street (Bath) Management Limited Director • Micro Biologist | 13 Jan 2000←9 Years→6 Nov 2009 | Active | |
