Homan O’Brien are a leading Irish Consulting Engineering Practice specialising in the design and management of mechanical, electrical and lift services to all building types.

The company has grown through over 60 years of experience in the building industry by providing a quality professional service to all projects and clients on the domestic and international market.

We have an ever expanding and dedicated workforce of highly qualified engineers available to undertake new projects.

Management Systems

Homan O’Brien implement an integrated Quality, Health & Safety and Environmental Management System. Our management systems are registered with NSAI to the following standards:

  • ISO 9001:2015 Quality Management System
  • ISO 14001:2015 Environmental Management System
  • ISO 45001:2018 Occupational H&S Management System

Sustainable Engineering Design Solutions

Homan O’Brien are recognised as pioneers in Sustainable Engineering Design Solutions in Ireland over the last 20 years and have achieved a number of notable firsts in Irish Engineering. Homan O’Brien designed from first principles the first Ice Bank Thermal Storage System in Ireland in Beresford Court in 1992, the concept of which has been copied ever since.

Some Awards from our Peers for our Design Work including 3 Sustainable Building of the Year Awards:

ACEI Presidential Award for Innovative Design – Ice Bank Thermal Storage Beresford Court

ACEI Commendation for Innovative Design – The Green Building, Temple Bar

Offaly Co. Council New HQ, RIAI Sustainable Building Award Winner

Cork City Council Civic Offices

  • RIAI Awards Winner – Best Public Building
  • RIAI Awards Winner – Best Sustainable Building
  • RIAI Awards Winner – Best Accessible Building

ACEI Presidents Award Winners for Excellence in the M&E Design of the Mater Misericordiae University Hospital

ACEI Presidents Award Winners for Excellence in the M&E Design of Tullow Oil Technology Centre

Medtronic Customer Innovation Centre – Winner of Sustainable Green Project of the Year

Roscommon Co County New HQ

  • RIAI Best Public Building
  • RIAI Best Sustainable Building
  • CMG Irish Building and Design Award for Best Public Building
  • CMG Irish Building and Design Award for Best Sustainable Building

CIBSE Ireland Project Award Winner 2018 – Irish Life Beresford Place

ICI Health Project of the Year – Award Winner 2020 – Peamount Healthcare

ICI Retail Project of the Year – Award Winner 2020 – Frascati Shopping Centre

PMI Project Sector of the Year Award Winner 2021 Reeves Day Surgery Tallaght University Hospital

RIAI 2021 Award Winner “Highly Commended Sustainability” 70 St Stephens Green

Winner ACEI 2022 Award for Mechanical & Electrical Category “Large Projects” – 70 St. Stephens Green

Meet The Team

Our Projects