Shaping Britain’s Critical Transport Infrastructure

Providing vital Civil Engineering and Building solutions, connecting Britain’s communities.

About Us

This is who we are

CML are a Tier One Principal Contractor, operating throughout England and Wales, delivering multi-disciplinary buildings and civil engineering projects for Network Rail and other infrastructure clients.

As an owner managed private company, we value our people and recognise their contribution to our success. We are committed to investing in the development of our people as a priority, and are proud to have more than 9% of our people engaged in apprenticeships or formal training programmes. In addition, we are continuously introducing and training new entrants into the sector to support the future of the engineering industry.

With a sustainable approach, a clear focus on value for money, safety and wellbeing, and delivery excellence built-in, we undertake a range of projects from minor works to complex multi-disciplinary infrastructure projects. We are recognised as one of the UK’s leading suppliers of railway maintenance and renewals works, and have long-standing partnerships with Network Rail on all Routes in England and Wales.

Our Values

  • Civil Engineering

    Embankment and cutting slope stabilisation, drainage, scour protection, sea defences, highway works, bridge refurbishment and reconstruction…

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  • Building

    Four-time winners of National Railway Heritage Awards, our teams are capable of delivering minor works buildings repairs to complex building restoration works and everything in between…

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  • Maintenance

    Vegetation clearance, repairs to masonry and metallic bridges, roped access and confined space solutions, culvert clearance, CCTV surveys, brickwork and masonry repairs, culvert lining and drainage repairs…

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  • Enhancement

    Rail depot upgrades, inspection pits, train sheds, site accommodation and new track layouts; Station refurbishment, platform extensions, building renovation, power upgrades, heating cooling and ventilation…

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  • Reactive

    CML’s directly employed delivery teams are strategically placed to respond to infrastructure emergencies to assist our clients and minimise disruption to key transport networks and public services…

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  • Examinations

    In-house STE2 and STE4 qualified examiners available nationally to undertake buildings and structures examinations to Network rail Standards...

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  • Sustainability

    Sustainability is the cornerstone of everything we at CML do. This has meant a shift in thinking, a move towards an integrated sustainable development strategy, with a clear vision that affords real benefits to CML, our stakeholders, wider society, and the environment.

    Sustainability
  • Our History

    Founded in 1986, CML (Construction Marine Ltd) was originally established to undertake Marine and Civil Engineering activities and quickly became recognised experts in the delivery of river and coastal defence projects.

    Our History
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