| Company | Timeline | Status | |
| Lampada Limited Director • University Teacher | 11 Jan 2021←4 Years→Current | Active | |
| York Archaeological Trust For Excavation And Research Limited Director • Unreported | 24 May 2019←6 Years→Current | Active | |
| Lucerna Limited Director • Lecturer | 23 Apr 2008←3 Years→23 Apr 2011 | Active | |
| Antiquity Publications Limited Director • University Teacher | 19 Nov 2004←10 Years→1 Aug 2015 | Active | |
