| Company | Timeline | Status | |
| Depot Maintenance Rail Ltd Director • Signalling Technician | 31 Jan 2023←1 Year 6 Months→6 Aug 2024 | Dissolved | |
| Enterprise Rail Limited Director • Railway Engineer | 25 Aug 2015←2 Years 11 Months→31 Jul 2018 | Dissolved | |
| D N Rail Limited Director • Railway Engineer | 16 Jan 2012←4 Years→8 Nov 2016 | Dissolved | |
| Dev Signal Engineering Limited Director • Railway Engineer | 16 Nov 2007←6 Years→1 Jul 2014 | Dissolved | |
