| Company | Timeline | Status | |
| Quantitasqs Limited Director • Unreported | 29 Jun 2015←10 Years→Current | Active | |
Granttram Limited Director • Director | 20 Mar 2008←1 Year 8 Months→30 Nov 2009 | Dissolved | |
| Volkerrail Plant Limited Director • Director | 20 Mar 2008←1 Year 8 Months→30 Nov 2009 | Active | |
| Volkerrail Welding Limited Director • Director | 20 Mar 2008←1 Year 8 Months→30 Nov 2009 | Active | |
| Volkerrail Signalling Limited Director • Director | 20 Mar 2008←1 Year 8 Months→30 Nov 2009 | Active | |
| Volkerrail Specialist Businesses Limited Director • Director | 20 Mar 2008←1 Year 8 Months→30 Nov 2009 | Active | |
| Volkerrail Power Limited Director • Director | 20 Mar 2008←1 Year 8 Months→30 Nov 2009 | Active | |
| Volkermatrix Limited Director • Director | 20 Mar 2008←1 Year 8 Months→30 Nov 2009 | Active | |
| Volkerrail Limited Director • Director | 20 Mar 2008←1 Year 8 Months→30 Nov 2009 | Active | |
