| Company | Timeline | Status | |
| Newells School Trust Limited Director • Company Director | 30 Jun 2011←4 Years→16 Sep 2015 | Active | |
| Feltonfleet School Trust Limited Director • Director | 17 Jun 1998←27 Years→Current | Active | |
| Entryvision Limited Director • Technical Director | 1 Oct 1992←28 Years→20 Apr 2021 | Dissolved | |
| Video Entryphone Limited Secretary • Technical Director | 21 Sep 1992←28 Years→20 Apr 2021 | Dissolved | |
| Entryphone Company Limited(The) Director • Engineer | 2 Oct 1991←34 Years→Current | Active | |
