| Company | Timeline | Status | |
| Surrey Archaeological Society Director • Historian  | 26 Nov 2016←11 Months→18 Nov 2017  | Active  | |
| East London Parasol Company Ltd Director • Unreported  | 29 Nov 2015←9 Years→Current  | Active  | |
| Surrey Archaeological Society Director • Associate University Lecturer  | 26 Nov 2011←4 Years→5 Dec 2015  | Active  | |
| British Record Society Limited Director • University Lecturer  | 14 May 2008←17 Years→Current  | Active  | |
| Guildford Number Five Project Director • University Lecturer  | 1 Apr 2002←1 Year 7 Months→1 Nov 2003  | Dissolved  | |
