| Company | Timeline | Status | |
| Maison D'Art Ltd Director • Unreported | 4 Sep 2014←11 Years→11 Nov 2025 | Dissolved | |
Johns London Ltd Director • Art Dealer | 15 Aug 2013←2 Years→1 Sep 2015 | Dissolved | |
| Bowbrook Estates & Management Company Limited(The) Director • Art Dealer | 19 Apr 2010←4 Years→10 Dec 2014 | Active | |
| Theo Johns Fine Art Ltd Director • Art Dealer | 12 Jul 2007←14 Years→5 Oct 2021 | Dissolved | |
