
| Siemens, Balfour Beatty |
| ongoing |
| north-west England |
| May 2012 |
| Jun 2019 |

| Balfour Beatty Vinci Taylor Woodrow JV |
| Worcestershire |
| Jan 2015 |
| Jun 2017 |
| Skanska |
| £3 million |
| Catthorpe, Leicestershire |
| Jan 2014 |
| Dec 2016 |

| Bam Ferrovial Kier JV (Crossrail) |
| £6 million |
| Farringdon station, London |
| Jan 2013 |
| Current |