| Primus Construction Ltd |
| £350,000 |
| Twickenham, Greater London |
| Jun 2016 |
| Sep 2016 |
| London Underground |
| £900,000 |
| Farringdon station, London |
| Apr 2016 |
| Jan 2017 |
| Costain Skanska JV |
| £90,080 |
| London SW18 |
| Mar 2016 |
| Apr 2016 |
| A14 IDT (Integrated Delivery Team) working on behalf of Highways England |
| ongoing |
| Cambridgeshire |
| Mar 2016 |
| Dec 2020 |
| CVU joint venture |
| £130,000 |
| London E5 |
| Feb 2016 |
| Mar 2016 |
| Costain, Keltbray |
| £15 million |
| East Anglia |
| Jun 2015 |
| Jul 2019 |