| Company | Timeline | Status | |
| Paul Oliver Vernacular Architecture Library Limited Director • Archaeologist | 30 Sep 2020←3 Years→16 Feb 2024 | Active | |
| Earth Building UK And Ireland Ltd Director • Academic | 5 Dec 2016←8 Years→Current | Active | |
| Earth Building UK And Ireland Ltd Director • Archaelogist /open Universtiy Tutor | 25 Mar 2009←5 Years→23 Oct 2014 | Active | |
