| Company | Timeline | Status | |
| JKS (2015) Ltd Director • Unreported | 23 Dec 2015←9 Years→Current | Active | |
| KDL (2015) Ltd Director • Event Organiser | 23 Dec 2015←8 Years→13 Feb 2024 | Dissolved | |
| Knapp Developments Limited Director • Events Organiser | 23 Oct 2012←10 Years→8 Sep 2023 | Dissolved | |
J Knapp Holdings Limited Director • Events Organiser | 23 Oct 2012←4 Years→4 Oct 2017 | Dissolved | |
| J.Knapp & Sons Limited Director • Unreported | 17 Aug 2005←20 Years→Current | Active | |
| J.Knapp & Sons Limited Secretary • Child Minder | 28 Sep 2001←24 Years→Current | Active | |
