Industry leaders in sustainable infrastructure

Nicholas O’Dwyer delivers water resource management and water supply projects to wide-ranging clients in Ireland and abroad, particularly focusing on achieving sustainable development. We are acknowledged specialists in designing, procuring and managing large-scale projects and leaders in our sector with almost 100 years’ experience.

With ever-increasing demands for water, there is a need for greater resource efficiency to ensure worldwide access to the resource. Nicholas O’Dwyer is committed to the UN Sustainable Development Goals that aim to ensure the availability and sustainable management of water and sanitation for all. Critical to our approach is the importance of delivering robust and practical solutions using innovation to deliver better performance.

Our expertise

  • Master planning
  • Technical and economic feasibility studies
  • Source assessment and process design, preliminary design
  • Risk management
  • Optioneering of alternative designs
  • Conceptual and detailed designs and contract documents
  • Construction management and supervision
  • Contract and programme management
  • Training and capacity building
  • Operational monitoring


  • Providing water supply engineering to authorities serving more than five million consumers
  • Engineering water sector projects with an overall construction value of more than €3 billion
  • Managing individual projects with a capital spend of more than €200 million
  • Supplying over a million work hours of engineering services to the water industry
  • Working in more than 46 countries throughout the developing world
  • Tendering and administrating projects under Irish Government, UK and International (eg FIDIC, MCC, World Bank and European Union) conditions of contract.

Our latest water projects