We use functional cookies for a number of reasons, such as keeping the Costain website reliable and secure and to analyse how our site is being used.
Will you accept our use of non-essential cookies?

Yes No Privacy Notice

Costain annual report banner 2021
Annual Report 2021 highlights

Our purpose

Our vision

To create connected, sustainable infrastructure enabling people and the planet to thrive.

How we do that

We shape, create and deliver pioneering solutions that transform the performance of the infrastructure ecosystem.

Where we operate

We are focused on four strategic sectors across the UK: Transport, Energy, Water and Defence, and everything that we do is rooted in delivery and organised around our clients.

Financial highlights


Group revenue


Adjusted operating profit


Profit before tax (adjusted)


Adjusted Group revenue


Basic earnings per share (adjusted)


Net cash balance

Non-financial highlights

Percentage of our total spend with SMEs


Environmental impact

49,000 tCO2eq