| Company | Timeline | Status | |
Granttram Limited Director • Unreported | 9 Jun 2009←9 Years→25 Sep 2018 | Dissolved | |
| Volkerrail Plant Limited Director • Unreported | 9 Jun 2009←16 Years→Current | Active | |
| Volkerrail Group Limited Director • Unreported | 9 Jun 2009←16 Years→Current | Active | |
| Volkerrail Signalling Limited Director • Unreported | 9 Jun 2009←16 Years→Current | Active | |
| Volkerrail Welding Limited Director • Unreported | 9 Jun 2009←16 Years→Current | Active | |
| Volkerrail Specialist Businesses Limited Director • Unreported | 9 Jun 2009←16 Years→Current | Active | |
| Volkerrail Power Limited Director • Unreported | 9 Jun 2009←16 Years→Current | Active | |
| Volkermatrix Limited Director • Unreported | 9 Jun 2009←16 Years→Current | Active | |
| Volkerrail Limited Director • Unreported | 9 Jun 2009←11 Years→21 Dec 2020 | Active | |
| Volkerlaser Civil Engineering Limited Director • Unreported | 18 May 2009←16 Years→Current | Active | |
