| Company | Timeline | Status | |
| Chigwell Services Ltd Director • Director | 1 Oct 2022←3 Years→Current | Active | |
| PTC Systems (Holdings) Limited Director • Managing Director | 19 Feb 2016←5 Years→23 Mar 2021 | Dissolved | |
| Daiglen School Trust Limited(The) Director • Company Director | 24 Nov 2011←4 Years→7 Oct 2016 | Active | |
| PTC Systems (West) Limited Director • Director | 16 Jan 2006←14 Years→10 Nov 2020 | Dissolved | |
| PTC Systems (West) Limited Secretary • Engineer | 16 Jan 2006←14 Years→10 Nov 2020 | Dissolved | |
| PTC Systems (North) Limited Director • Engi | 7 Dec 2005←15 Years→30 Mar 2021 | Dissolved | |
| PTC Systems (North) Limited Secretary • Engi | 7 Dec 2005←15 Years→30 Mar 2021 | Dissolved | |
| PTC Systems Limited Secretary • Unreported | 21 Jun 2000←8 Years→18 May 2009 | Dissolved | |
| PTC Systems Limited Director • Engineer | 31 Jul 1991←29 Years→18 Jun 2021 | Dissolved | |
