Engineering a sustainable future

Advising and assisting the global community in delivering sustainable infrastructure

Nicholas O’Dwyer is one of the largest engineering and environmental consultancies in Ireland. We provide water, environmental, civil and structural engineering services to a wide range of public and private sector clients around the world.

In addition to our Irish and UK portfolios of work, the company has a strong presence internationally, particularly in Africa, where we have worked since the 1970s and more recently the Middle East, where we deliver large scale infrastructural projects in a sustainable way.

Explore our services

What we can do for you

Nicholas O’Dwyer strive to deliver sustainable solutions that transform communities and bring about lasting positive change. Through a blend of expertise, innovation, and global dedication, we envision a world where sustainable engineering protects growing communities.

We provide professional services in engineering design, project management, environment and planning, construction supervision and technical and contract advisory in multiple sectors.

We are our clients’ consultant of choice because we have a reputation for solving challenges sustainably. Our service delivery is result-focused, based on the direct involvement of senior management, who respond and adhere to client requirements. We engineer innovative solutions, thereby delivering smarter, better and faster outcomes.

Our core values

One team one team value logo

We are committed to fostering our team’s safety, wellbeing and professional growth, thereby driving collective success through equality and unity.

Reliability reliability value logo

As trusted partners, our agile and dependable service forms the backbone of our client partnerships.

Passion passion value logo

Our passion fuels our commitment to creativity, innovation and high-quality engineering solutions that meet our clients’ diverse needs.

Responsibility responsibility value logo

We actively protect our planet, championing sustainable practices and striving for net-zero emissions for a healthier environment.

Integrity integrity value logo

We are dedicated to maintaining high standards and financial robustness, creating enduring value for all stakeholders.

Latest projects

Key sectors

Latest news

Delivering Enhanced Flood Protection: River…

Company news

Rosslare Offshore Renewable Energy Hub…

Company news

Nicholas O’Dwyer appointed Lead Consultant…

Company news

Visit of Prime Minister of…

Company news

Windmill Hill Reservoir upgrade secures…

Company news

Nicholas O’Dwyer signs contract for…

Company news

New Chief Financial and Operations…

Our people

New Head of Energy joins…

Our people

Nicholas O’Dwyer works with Irish…

Our people

Mark Dignam

Our people

Nicholas O’Dwyer in attendance at…

Company news

National SDG Week 2024 was…

Our people

Nicholas O’Dwyer awarded the prestigious…

Our people

River Poddle Flood Scheme Begins…

Company news

NOD Dublin Pride Run 2024

Our people

View all news
RSK collage one
RSK collage two
RSK collage three. Decorative
RSK collage four. Decorative.
RSK collage five
RSK collage six

Nicholas O’Dwyer is part of the RSK group of companies

The RSK group is a leading integrated environmental, engineering and technical services business offering bespoke end-to-end solutions to a variety of sectors. Headquartered in the UK but with an established presence throughout Europe, Africa, the Middle East, Asia and Australia, RSK helps organisations around the world achieve their business aspirations in a sustainable and efficient manner.