| Company | Timeline | Status | |
| Buy To Let Leeds Ltd Director • Director | 20 Sep 2016←4 Years→3 Aug 2021 | Dissolved | |
| Iguana Ltd Director • Scientist | 8 Mar 2013←8 Years→3 Aug 2021 | Dissolved | |
| Artos Innovation Ltd Director • Scientist | 8 Feb 2013←12 Years→Current | Active | |
| Avacta Group Plc Director • Company Director | 7 Aug 2006←2 Years 6 Months→3 Mar 2009 | Active | |
| Avacta Analytical Limited Director • Scientific Consultant | 12 Jan 2005←6 Years→28 Mar 2011 | Active | |
| Avacta Limited Director • Scientific Consultant | 12 May 2004←6 Years→28 Mar 2011 | Active | |
