| Company | Timeline | Status | |
| York Archaeological Trust For Excavation And Research Limited Director • Arts & Heritage Marketing & Development | 4 Feb 2011←5 Years→16 Feb 2016 | Active | |
| York Archaeological Trust For Excavation And Research Limited Director • Arts & Heritage Marketing & Development | 3 Dec 2010←1 Day→3 Dec 2010 | Active | |
| Hunter Didrichsen Marketing & Management Limited Director • Consultant | 9 Jun 2003←18 Years→7 Dec 2021 | Dissolved | |
| Hunter Didrichsen Marketing & Management Limited Secretary • Unreported | 9 Jun 2003←18 Years→7 Dec 2021 | Dissolved | |
