
Transforming the performance of infrastructure
Our integrated services
We work with our customers in their business and investment planning to develop new solutions to meet changing needs, leveraging our deep customer insight, practical expertise and broad range of capabilities.
Our integrated services
Our value-adding consultancy and advisory services are rooted in project delivery experience and leverage our broad range of capabilities.
Our integrated services
We engineer and integrate digital solutions into our projects to improve the performance of our infrastructure.
Our integrated services
We optimise the performance of our customers’ existing infrastructure assets and operational practices by combining our deep customer insight and practical expertise, thereby increasing capacity, improving connectivity, minimising downtime and reducing operating costs.
Our integrated services
Our people deliver complex infrastructure projects in a sustainable, efficient and practical way by constantly innovating and working collaboratively.
How we improve lives
Climate change and decarbonisation solutions
Whether you need help to fully understand your carbon impact, identify where your carbon hotspots are, or are looking for a profound transition to low carbon electricity or fuel, our trusted experts are here to support you throughout your journey to achieve net zero carbon emissions.
We're talking about...
Deep collaboration by our net zero pioneers is accelerating the UK's race to net zero
Get to know us
We are looking for skilled, expert and motivated people who will help us meet national needs in transportation, energy, water and defence. As a vibrant, challenging and growing business we provide tremendous opportunities for everybody.
We offer our clients leading edge solutions that are digitally optimised across the whole life cycle of their assets by integrating five core services that include future shaping strategic consultancy, consultancy and advisory, digital technology solutions, asset optimisation and complex programme delivery.
We are building a long-term sustainable business that creates more economic, environmental and social value through greater corporate responsibility. Costain cares about all stakeholders and responsibility is at the core of our business.