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About us

Our purpose is to improve people’s lives by delivering integrated leading edge smart infrastructure solutions to meet national needs across the UK’s energy, water, transportation and defence markets.

Our story

We’ve been improving the lives of people since 1865.

Costain was named Contractor of the Decade by New Civil Engineer


We are one of the industry leading companies for technology.

Costain at a glance

Key facts

Listed on the UK stock exchange and recognised as one of the UK’s leading smart infrastructure solutions companies


Founded in Liverpool


Employees across the UK

Key facts

Broad range of innovative services across the whole lifecycle of our clients' assets


Reported revenues for year end 31 December 2019

Costain at a glance


Improving people's lives