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We are a professional engineering and environmental consultancy advising and assisting today’s global community in the delivery of sustainable infrastructure for tomorrow.

About Nicholas O’Dwyer

Our Team


Our staff are the biggest single drivers of our reputation and our success – both at home and abroad. 
Nicholas O’Dwyer staff have access to a range of major projects – in Ireland, the U.K., Europe and Africa and face a  constant challenge become more accomplished and effective professionals in their fields.

Our Vision



Our vision is to be a strong Irish-based company with an equally strong international focus, acknowledged as the  Engineering and Environmental consultancy of choice for both public and private clients who demand exceptional Director-led client service.


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    CPD trip River Barrow (Srowland, Athy) WTP and Leixlip WTP

    Recent CPD trip to two newly built water treatment plants where Nicholas O’Dwyer acted as Employers Representative.

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    Nicholas O'Dwyer Continued Expansion April 2017

    As one of Ireland's leading Professional Engineering and Environmental Consultancies, Nicholas O'Dwyer offers unparalleled opportunities for talented individuals in search of a rewarding career. Meet our latest recruits in our various departments:

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    Nicholas O'Dwyer is participating in 'The Water Cross Industry Graduate Development Programme'

    Partners from across the Water Industry have come together to collaborate in a unique Programme, the first of its kind in Ireland at a National level, allowing graduates to become true specialists in the Water Engineering space. As a participant on this programme you will have the opportunity to benefit from rotations that will allow you to gain experience of Client, Consulting and Contractor perspectives on some of the largest Water infrastructure projects in the country.

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    Major Wastewater Network Contract for Nicholas O'Dwyer in Lusaka, Zambia

    Nicholas O'Dwyer are happy to announce a major contract in Lusaka, Zambia, involving the provision of new sewers and interceptor sewers in a dense urban environment in Lusaka, and will include trenchless construction technology (pipe jacking).