Rated 5 Stars on Google
Ireland’s Trusted Mechanical Engineering & Construction Specialists
From advanced mechanical installations to full project management, Dominic O’Connor Limited delivers reliable solutions and exceptional service for clients nationwide.
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About Dominic O’Connor Limited
Dominic O’Connor Limited is a leading provider of mechanical engineering and construction services in Ireland, recognised for innovative solutions, safety, and client satisfaction. Our dedicated team brings decades of industry experience to every project—from initial design to installation and ongoing maintenance—ensuring outstanding results every time. We are proud to be a trusted partner to hospitals, pharmaceutical plants, hotels, and commercial organisations nationwide.
Our Services
Proudly serving clients across Ireland, Dominic O’Connor Limited has completed projects in every county—from landmark hospitals and pharmaceutical plants to hotels, commercial, and public buildings.
What Our Customers Say
Serving Loughrea and The Surrounding Areas
Proudly serving clients across Ireland, Dominic O’Connor Limited has completed projects in every county—from landmark hospitals and pharmaceutical plants to hotels, commercial, and public buildings.
Our Commitment to Excellence
We combine industry-leading certifications with experienced professionals and cutting-edge technology to deliver work that stands the test of time. From energy-efficient HVAC installations to zero-downtime maintenance, our commitment is to safety, reliability, and long-lasting value for every client. We focus on precise project planning and thorough execution, so you enjoy peace of mind and results you can count on.
Frequently Asked Questions
Answers to the most common questions our customers have. If you don’t find the information you’re looking for, feel free to contact us.
We work on a wide range of projects, including mechanical and HVAC installations, equipment maintenance, pipework, decarbonisation upgrades, and full construction management for hospitals, pharmaceutical facilities, hotels, commercial sites, and more.
Yes, we hold ISO 9001:2015 (Quality Management), ISO 14001:2015 (Environmental Management), and ISO 45001:2018 (Occupational Health & Safety) certifications, ensuring every project meets rigorous industry standards.
Absolutely! Our experienced team delivers professional engineering and construction services across Ireland, from Galway to Dublin, Cork, Limerick, and beyond.