Costain Group plc (COST)

Profile

https://www.costain.com

Costain Group plc is a leading British engineering and construction company headquartered in London, with over 160 years of history since its founding in 1865 by Richard Costain. The company specializes in delivering integrated infrastructure solutions across the full lifecycle of projects, encompassing design, consultancy, construction, and maintenance. It operates primarily in two divisions: Natural Resources, covering water, energy, defense, and nuclear; and Transportation, including roads, rail, and integrated transport. Costain focuses on sustainable development, emphasizing decarbonization, climate resilience, energy transition, and biodiversity net gain to address UK challenges like net zero emissions and infrastructure upgrades. Notable projects include the Channel Tunnel, Thames Barrier, Crossrail stations, HS2, and recent contracts such as a £1 billion deal with Sellafield Ltd for nuclear decommissioning and advanced nuclear fuels facilities. Generating most revenue in the UK, Costain plays a vital role in enhancing national infrastructure resilience, economic growth, and environmental sustainability through innovative engineering in critical sectors.