| Company | Timeline | Status | |
| Calvertkralik Consulting Limited Director • Director | 11 Feb 2022←3 Years→Current | Active | |
| Archaeopress Publishing Limited Director • Publisher | 13 Mar 2015←10 Years→Current | Active | |
Archaeopress Limited Director • Director | 7 Apr 2010←9 Years→9 Jul 2019 | Dissolved | |
