| Company | Timeline | Status | |
| John Newton Developments (Holdings) Limited Director • Director | 29 Feb 2016←9 Years→Current | Active | |
| Newton Waterproofing Systems Limited Director • Director | 3 Apr 2007←18 Years→Current | Active | |
| John Newton & Company Limited Director • Company Director | 22 Jul 1991←34 Years→Current | 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←34 Years→Current | Active | |
| John Newton & Company Limited Director • Unreported | 1 Jan 1970←56 Years→Current | Active | |
