GTE in figures.
| Founding year: | 2007 |
| Headquarters: | The Netherlands |
| Subsidiaries: | Great Britain, Denmark |
| Consultants: | 5 |
| Pool of experts: | more than 2,500 |
| Personnel placed in 2010: | 260 |
| Personnel placed in 2011: | 410 |
| Tunnel projects 2010: | 47 |
| Tunnel projects 2011: | 58 |
| Largest team in 2010: | 27 tunneling experts for "Hallandsas" |
| Largest team in 2011: | 40 tunneling experts for "Antwerpen" |
| Working hours: | 60 hours per expert and week |
A subsidiary of Herrenknecht AG