| Company | Timeline | Status | |
| L & D Cochrane Signalling Ltd Director • Unreported | 26 Oct 2023←2 Years 3 Months→Current | Active | |
| Cochrane Signalling Services London Limited Director • Engineer | 8 Apr 2014←8 Years→21 Jun 2022 | Dissolved | |
Cochrane Signalling Limited Director • Engineer | 4 Apr 2014←1 Year 7 Months→24 Nov 2015 | Dissolved | |
