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Costain at a glance

Costain is recognised as one of the UK’s leading smart infrastructure solutions companies.


In Liverpool in 1865 by Richard Costain


London Stock Exchange


c. 3,400


£1,162.9m reported revenues for the financial year ended 31 December 2019


Future-shaping strategic consultancy, consultancy and advisory, digital technology solutions, asset optimisation and complex programme delivery.


Rail, Highways, Energy networks and storage, Water, Nuclear, Oil & Gas, Defence


  • One of the first to achieve the BSI Kitemark for innovation. Costain worked in partnership with BSI, the business improvement company, to help design and pilot the new global certification scheme for innovation
  • Fulfilling a lead role in developing Next Generation Carbon Capture Technology capable of reducing CO2 emissions by 95%
  • Eight years without a reportable lost time accident whilst delivering Welsh Water’s Asset Management Period [AMP] 4 and 5 Capital Programmes
  • As part of the ABC joint venture won several track electrification contracts, a significant breakthrough into a new sector of the rail industry
  • £20m support secured from the Department of Environment and Climate Change for finding novel solutions to reduce the cost of Carbon Capture and storage
  • Built and commissioned the nuclear processing facility at Magnox’s Bradwell site for the dissolution of historic nuclear waste – the first of its kind
  • In collaboration with Business in the Community, launched the first ‘Big Infrastructure Conversation’, bringing together some of industry’s top names to tackle youth unemployment
  • Has the only third-party accredited behavioural safety programme in the UK


Our purpose

What we do