O’Halloran & O’Brien provides end-to-end infrastructure solutions that connect communities and support development at every scale. Our expertise spans highways, drainage, utilities, and public realm works - delivered safely, efficiently and to the highest quality standards. Through early collaboration and a focus on buildability, we help clients achieve cost and programme certainty across complex infrastructure environments.
We deliver new road construction, realignments, junction improvements and surfacing works, ensuring safe integration with existing networks and minimal disruption to the public..
Our teams undertake deep drainage, service diversions, attenuation systems and utility corridors, coordinating with statutory providers to ensure safe, compliant and efficient installation.
From footpaths and cycle routes to paved public spaces and landscaped plazas, we deliver durable, high-quality finishes that enhance the built environment and create long-lasting value.
With decades of experience in civil engineering and an extensive in-house plant and logistics network, O’Halloran & O’Brien delivers infrastructure works with precision, reliability and care. Our consistent focus on safety, sustainability and collaboration ensures every project contributes to stronger, better-connected communities.
