GA O’Neill Engineering Ltd
Comprehensive Engineering Solutions, Manufacture, Repairs and Maintenance

Manufacturing, Repairs and Industrial Services
At GA O’Neill Engineering Ltd, we specialize in providing comprehensive engineering solutions across a variety of industrial, municipal, and environmental sectors. Our services include custom design, manufacturing, repairs, and maintenance, ensuring that every project meets the highest standards of quality and efficiency.
Our Solutions
Custom Equipment Design
We have developed specialized equipment, such as custom trench brushes, designed to clean all areas of a trench efficiently, enhancing water quality and preventing algae buildup. These innovations reduce maintenance time and improve operational performance.
Environmental Responsibility
Our projects address key environmental challenges, providing sustainable solutions that help reduce waste and optimize resource use.
Maintenance and Repairs
We offer efficient repair services, with readily available parts and a focus on minimizing downtime and extending the life of your equipment.

Our Experience
We have a wealth of experience in delivering engineering solutions across a range of projects, including wastewater treatment plants, pumping stations, safety upgrades, and custom fabrication.
Servicing and preventative maintenance
Our proactive approach identifies potential issues before they become major problems, reducing downtime and extending your machinery’s lifespan. Through regular inspections and adjustments, we ensure your systems operate efficiently, minimising costly repairs and boosting productivity.
Emergency call out and repairs
Our experienced team is available to respond quickly to unexpected issues, offering prompt, effective repairs to get your equipment back up and running. Whether it’s machinery breakdowns, system malfunctions, or infrastructure failures, we are here to resolve the problem swiftly and efficiently.
Alterations and maintenance of machines
Our team is skilled in modifying existing equipment to improve functionality or adapt to new requirements, as well as providing ongoing maintenance to ensure optimal performance and longevity.
Various steel fabrications and galvanising
Our services include the creation of custom steel structures, frames, and fittings, as well as the galvanising process to ensure durability and resistance to corrosion. Whether for industrial, municipal, or commercial applications, we provide high-quality steel solutions that stand the test of time.
Stock of spare parts
At all times we carry a complete range of waste water treatment plant spare parts, ensuring work can be carried out as quickly as the situation requires. If not available off the shelf, parts can be sourced within 16 hours.
Why Choose Us?
Contact us today to discuss how we can support your next project with innovative, reliable engineering solutions!
Expertise Across Multiple Sectors
Our experience spans a wide variety of sectors, including municipal, industrial, and environmental projects.
Tailored Solutions
We create custom-engineered solutions to meet the unique needs of each project, ensuring maximum performance and efficiency.
Quick Response
Our team is always ready to respond to emergency repair needs, minimising downtime and ensuring that your systems run smoothly.
Commitment to Quality
We pride ourselves on delivering high-quality workmanship, from design to installation and ongoing maintenance.