JLES is a multi-disciplined technical engineering company, offering consultancy, project management and construction solutions to public and private sector clients across the UK.

JLES now operate in 6 regional offices (Northern, North West, Central,
Southern, Thames and South West) in our specialist areas of Adoption Management and Site Infrastructure, the way we work offers our clients the maximum flexibility in how they engage with us.

Over the last 15 years, we have established a reputation as a dynamic, innovative and results driven company who put quality, excellence and client satisfaction at the heart of everything we do. We constantly strive to achieve real results for our clients and exceed their expectations every time, making sure that we follow through on our promises of providing complete engineering solutions on a fixed fee, lump sum basis.

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So why choose us?

  • Your site infrastructure and engineering requirements will become the top priority of the development industry’s leading specialists
  • Reduce the strain on your vital internal resources
  • Eradicate client risk from extra work and cost variation
  • Avoid intermittent speculative contractor payments
  • Effectively and quickly achieve bond reductions
  • Receive fortnightly periodic progress updates
  • Benefit from our 15 years company experience and excellent track record
  • Make use of our industry recognised award winning systems and procedures
  • Benefit from our long-term relationships with Local Authorities, Water Authorities and third party private, public and charitable organisations

The Complete Engineering Solution

JLES is a multi-disciplined, technical engineering company offering consultancy services and construction solutions to public and private sector clients across the UK.

Our Services are broken down into 4 main areas of expertise:

Proud of what we do - our rolling statistics


Apprentices Trained


Happy Clients


Projects Completed


Years in Business

Featured Projects

  • High Value Sewer Adoption Works, Daventry
    Adoptions Work, Daventry
  • Construction of Footbridge, Ealing
    Grand Union Canal Footbridge
  • Water Vole Mitigation, Hereford
    Water Vole Mitigation, Hereford
  • Multiple Open Space Adoption, Skelmersdale
    Open Space Adoption
  • Sewer Redesign and Corrective Works, Cheshire
  • Riverbank Erosion, Buxton
    Riverbank Erosion, Buxton
  • Retaining Wall Works, Preston
    Retaining Wall
  • Highways Upgrade Programme, Heathrow Airport
    Prologis Park, Heathrow