Commitment to excellence
Careful attention to detail for over 40 years

Water Wastewater Treatment
Water Wastewater Treatment
Water Wastewater Treatment
Water Wastewater Treatment

Conway Engineering is a full service design and build contractor, trusted by commercial and municipal clients to deliver complete mechanical, electrical and civil engineering projects, focused on sustainable water and wastewater treatment. We are an approved contractor for Uisce Éireann frameworks. 

We have been in business for over 40 years, building upon our expertise in fabricating stainless and HDG steel structures. Later we added cutting-edge design and civil engineering capabilities. Today, we deliver the full suite of services for our customers’ needs.

Our work

IWSS/NCAP programme of work at Uisce Éireann sites

Blacklion Wastewater Treatment Plant Upgrade

Ballinamore Wastewater Treatment Plant Upgrade

Our work

Enhance your career with Conway

What does it mean to work at Conway Engineering? As our business continues to grow, we regularly have new openings for a variety of roles like project engineers, CAD technicians, BIM engineers and more.

We’re looking for enthusiastic, inquisitive people who aren’t afraid to put their hands up, get involved, and get stuck in to the work.

Collaboration; it’s in our DNA

At Conway Engineering, our success is your success. It’s a point of principle for us that we work together with you as an extension of your team. We involve all stakeholders in the project, we communicate regularly, we anticipate obstacles and we find ways to overcome them. So your projects are always moving forward towards a successful outcome. 

From our headquarters in Limerick, we operate nationwide.

Right first time

We take the time to emphasise the detail during the design phase. Our thorough site surveys and 3D modelling let us identify and solve problems before the construction phase, saving time on site and ensuring successful delivery with minimal inconvenience to stakeholders. 

The cost-effective choice

On sites where we have upgraded the aeration systems, our customers have achieved up to 40% reduction in energy costs and recouped their capital expenditure within five years.

  • Conway Engineering, water treatment, waste water treatment, fabrication
  • Conway Engineering, water treatment, waste water treatment, fabrication

Our expertise at your service

Water & wastewater treatment systems

  • Comprehensive design, and construction works to upgrade existing water and wastewater treatment assets.

  • Assessment, repair and upgrade of existing assets ensuring best value solutions.

  • Manufacturing/sourcing and installing innovative systems to ensure the most efficient and economical running of our customers’ facilities

  • Fully compliant with EU environmental discharge standards


  • 40+ years’ experience in fabricating steel products in accordance with EN1090 and EN124 Factory Production Control Certificates

  • Dedicated in-house workshop with highly skilled mechanical workforce

  • Wide range of fabrication capabilities: pipework; storage tanks; moveable bridges; inlet screen screw conveyors; stairs, steps and handrailing; access platforms

  • Serving clients across industrial, pharmaceutical, municipal and manufacturing sectors

Above & beyond the standard

At Conway Engineering, we take pride in being certified to leading industry standards in our field. Every year, we dedicate time to making sure our industry accreditations are up to date. 

For us, certifications aren’t just a target to reach; they’re a baseline to build upon. For you, they provide the reassurance that our workflows and processes meet independently verified standards, whether that’s in quality and environmental management or health and safety. That means consistent, repeatable work you can rely on, no matter the scale of your project. 

  • ISO 9001 : 2015 Quality Management System
  • ISO 14001 : 2015 Environmental Management System
  • ISO 45001: 2015 Safety Management System
  • EN1090 – 1:2009+A1:2011 Standard for the Manufacture and Installation of Structural Steel
  • EN124: 2015 Design and manufacture of access covers and gully tops

Contact Us Today

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