| Company | Timeline | Status | |
| Digital Rail Solutions Ltd Director • Designer | 7 Nov 2022←2 Years 11 Months→Current | Active | |
| Computer Assisted Developments Limited Secretary • Unreported | 21 May 2008←7 Years→1 Jul 2015 | Active | |
| Computer Aided Developments Limited Director • Drsftsman Signal Engineer | 28 Jan 2008←14 Years→22 Mar 2022 | Dissolved | |
| Computer Aided Developments Limited Secretary • Drsftsman Signal Engineer | 28 Jan 2008←3 Months→19 May 2008 | Dissolved | |
