G.A. O'Neill Engineering Ltd

G.A. O'Neill Engineering Ltd is a South-East-based engineering firm specialising in light and precision engineering solutions for the waste-water treatment sector and a range of industrial applications. Drawing on over 30 years of experience, the company provides comprehensive services that include design, fabrication, repairs, preventative maintenance and troubleshooting for both on-site plant and off-site projects.

Key specialisations include the manufacture of bespoke items such as bridge-clarifier trench brushes, chain-conveyor cleats, stillage frames for the automotive industry and custom handrails and ladders for tanks and shafts. The workshop in Shillelagh is fully equipped with milling machines, lathes, guillotine and folding presses, ARC/CO₂/TIG welders, plasma cutters and a mobile van unit that can respond quickly across Dublin, Kilkenny, Waterford, Wexford, Carlow, Wicklow and Kildare.

G.A. O'Neill Engineering works closely with local authorities-including Wicklow, Carlow and Kildare County Councils-and is a registered contractor for Uisce Éireann. Its focus on value, rigorous quality control and a lean operating structure ensures projects are delivered on time, on budget and to a high standard of service.