| Company | Timeline | Status | |
| M.D. Kidby Buildings Limited Director • Photojournalist | 21 Dec 2001←23 Years→25 Feb 2025 | Dissolved | |
| Kidbys Limited Director • Photojournalist | 21 Dec 2001←19 Years→10 Aug 2021 | Active | |
| Kidby Bros. (Reading) Limited Director • Photojournalist | 13 Dec 2001←23 Years→25 Feb 2025 | Dissolved | |
| Cyberspace Limited Director • Photojournalist | 1 Jun 1999←25 Years→5 Nov 2024 | Dissolved | |
