| Company | Timeline | Status | |
| John Newton & Company Limited Director • Company Director | 22 Jul 1991←31 Years→21 Aug 2022 | Active | |
| Marketing Services (London) Limited Director • Director | 26 Mar 1991←30 Years→5 May 2021 | Dissolved | |
| John Newton (Developments) Limited Director • Company Director | 26 Mar 1991←31 Years→21 Aug 2022 | Active | |
