| Company | Timeline | Status | |
| L & D Cochrane Signalling Ltd Director • Director  | 26 Oct 2023←2 Years→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  | |
