Kier Infrastructure is the major civil engineering arm of Kier Group, operating throughout the UK on standalone major projects and frameworks, ranging between £2m and £2.6bn in value.

Our particular experience and capability lie in projects with a significantly high technical content, including complex interfaces providing scope for innovative, digital and cost-effective solutions and ensuring social value is achieved in the areas where we work.

Working on major projects

We deliver world-class projects, working on some of the largest infrastructure contracts in the UK. We have an unrivalled capacity to deliver the most complex and technically challenging schemes and we work hard to cultivate close relationships with clients, partners and our supply chain. Collaboration is at the heart of all projects we deliver, and we have an extensive range of in-house capabilities, including design, development and project management.

Projects that are currently on site, or recently completed, include:

  • Hinkley Point C, Europe’s largest construction site
  • Deephams Wastewater Treatment Plant, one of the biggest water projects in the UK delivered for Thames Water
  • The Luton DART (Direct Air-Rail Transit) a 2.1km people mover taking people from Luton Airport Parkway to Luton Airport
  • A13 Road Widening project in Thurrock

Regional Civil Engineering

Our Regional Civil Engineering team delivers projects for clients that require the support, expertise and assurance provided by a leading contractor. We pride ourselves on delivering a range of interesting projects working in complex environments, as well as working across a number of heritage and listed projects.

From working with the Canal & River Trust to maintain 200-year-old assets, to supporting the Environment Agency with flood risk management, to the Coal Authority where we refurbish coal mines on a national framework, we deliver a wide range of projects for a variety of clients. We work on a national scale whilst maintaining a local focus, operating from 10 regional hubs often alongside our clients in shared offices and workspaces to promote collaboration, the sharing of ideas and use of best practice.


We are working to support HS2’s mission to link London to the North via high speed rail, helping to regenerate communities, redefine economic boundaries, and rebalance Britain. As part of the Eiffage, Kier, Ferrovial, BAM Nuttall (EKFB) joint-venture, we are delivering civil engineering works across an 80km section of the new high-speed rail link between the Chiltern Tunnel and Long Itchington Wood on behalf of HS2.

The scope of works includes 15 viaducts, 6.9km of green tunnels, 22km of road diversions, 81 overbridges and around 30 million cubic metres of excavation. The EKFB mission is to lead the transformation of our industry, influence future generations, support the UK economy and leave a legacy that improves people’s lives.

Kier Professional Services (KPS)

KPS is our in-house engineering consultancy delivering over 200 design briefs a month, providing comprehensive engineering and design services, working with a number of Kier business units. We have a vast engineering portfolio, with the flexibility and expertise to provide support for any project, in any location and our regional presence enables project delivery throughout the UK, bringing the best learning, large-scale expertise, experience and technical knowledge, applied through regional offices.

Key market sectors

View our projects

Every project we deliver is an opportunity for us to bring our unique thinking to solve problems, innovate and collaborate with our clients and beyond.

Further information

Simon Coultas

Business Development Director

Kier Infrastructure

Photograph of  Kier Infrastructure