Costain helps to improve people’s lives by deploying technology-based engineering solutions to meet urgent national needs across the UK’s energy, water and transportation infrastructures.

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Our Sectors

Our Services

  • Service 1

The development of solutions and options for our customers’ most pressing problems.
Complex and niche engineering solutions.
The operational and commercial management of programmes of complex inter-related projects.

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  • Service 1

The engineering and management of the delivery of large complex infrastructure projects.

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  • Service 1

Providing a service through technology to manage, connect and transform infrastructure assets.

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  • Service 1

Long-term contracts to operate and maintain physical infrastructure assets.

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Engineering Tomorrow Strategy

Identifying, developing and implementing innovative solutions to meet the UK’s major infrastructure needs


Paddington Elizabeth line station

Case study

Easington terminal extension

Case studies, videos, blog posts, publications and news


Investment case

We build long-term relationships with blue-chip customers

Results, presentations, shareholder information and governance

Our Culture

Sustainability strategy, targets and progress

Costain Cares stories

We support local communities and protect and enhance our environment