| Company | Timeline | Status | |
| Osney Mead (Oxford) Limited Director • Company Secretary | 31 May 1991←32 Years→17 Apr 2024 | Dissolved | |
Knowles & Son (Oxford) Contracts Limited Director • Company Secretary | 31 May 1991←27 Years→6 Nov 2018 | Dissolved | |
Knowles & Son (Oxford) Building Limited Director • Company Secretary | 31 May 1991←27 Years→6 Nov 2018 | Dissolved | |
| Knowles & Son (Oxford) Ltd Director • Company Secretary | 31 May 1991←31 Years→17 Apr 2023 | Dissolved | |
Knowles & Son Design & Build Limited Secretary • Unreported | 31 May 1991←13 Years→27 Apr 2005 | Dissolved | |
