| Balfour Beatty |
| £1.5 million |
| M4 and M5 motorways |
| May 2011 |
| Jul 2013 |
| Hilton Building Services |
| £350,000 |
| Heathrow Airport, London |
| Nov 2010 |
| Jun 2012 |
| Hilton Building Services |
| £250,000 |
| Chelsea and Westminster Hospital, London |
| Aug 2010 |
| Sep 2012 |
| Skanska Balfour Beatty Civil Engineering joint venture |
| £6 million |
| Buckinghamshire, Essex and Hertfordshire |
| Sep 2009 |
| Dec 2014 |
| Balfour Beatty Civil Engineering |
| £18 million |
| Central London |
| May 2009 |
| Apr 2013 |
| Signalling Solutions |
| £532,000 |
| Hertfordshire |
| Jan 2009 |
| Aug 2009 |