| Company | Timeline | Status | |
| Mahonia Investments Ltd Director • Historian | 10 Sep 2018←5 Years→29 Sep 2023 | Active | |
| Salram Limited Director • Historian | 1 Jun 2018←7 Years→Current | Active | |
| Properties On The Fylde Limited Director • Historian | 1 Jun 2018←5 Years→12 Jan 2024 | Dissolved | |
| The Portico Library And Newsroom Director • Retired Librarian | 22 Mar 2018←7 Years→Current | Active | |
| The Portico Library And Newsroom Director • Retired Librarian | 22 Mar 2018←6 Years→18 Sep 2024 | Active | |
| Spencross Limited Director • Historical Researcher | 27 Sep 2012←13 Years→Current | Active | |
| Landgrove Securities Limited Director • Historian | 21 Jun 2012←13 Years→Current | Active | |
| Landgrove Securities Limited Secretary • Unreported | 4 Sep 2009←16 Years→Current | Active | |
| Monarent Limited Director • Historical Researcher | 19 May 1998←27 Years→Current | Active | |
