50+ Years Providing A High-Quality Service

DATA CENTRES

UNDERPINNED BY TRUST

O’Halloran & O’Brien delivers complex data centre infrastructure with the precision, reliability and security these mission-critical environments demand. Working across the UK and Europe, we provide groundworks, structural concrete and associated civil engineering packages that form the foundation of resilient, high-performance facilities.

Our approach is built on confidentiality, collaboration and consistency - ensuring every project is delivered safely, on programme and to exacting technical standards.

GROUNDWORKS & CIVIL INFRASTRUCTURE

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We undertake all enabling, earthworks, drainage and utility installations to prepare secure, stable platforms for data centre construction. Our teams coordinate closely with design and MEP partners using BIM technology to ensure accuracy and full compliance with client and industry specifications.

STRUCTURAL CONCRETE SOLUTIONS

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From heavy-duty substructures to high-tolerance RC frames and service yard slabs, our concrete works support demanding load and vibration criteria while maintaining the highest levels of quality control.

TECHNICAL DELIVERY & PROGRAMME CERTAINTY

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Operating under strict security protocols, we apply robust sequencing, logistics planning and QA systems to ensure efficiency, traceability and programme reliability in every environment.

OUR DATA CENTRE CAPABILITY

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With proven experience delivering hyperscale and enterprise data centre infrastructure across multiple European regions, O’Halloran & O’Brien combines engineering excellence with disciplined project management. Our work is founded on discretion, precision and performance - enabling our clients to operate with confidence in the most demanding technical sectors.