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 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
  • ISO 14001:2015 Environmental Management
  • OHSAS 18001:2007 Occupational Health & Safety Management.

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.

Homan O’Brien received the first ever RIAI award for Sustainable Design with the innovative design utilised in Offaly Co. Council HQ in 2003. These designs have been further developed by additional sustainable systems in Tipperary County Council and Cork Civic offices. In 2014, Homan O’Brien was awarded the ACEI Presidents Award Winners for Excellence in the M&E Design of both the Mater Misericordiae University Hospital and M&E Design of Tullow Oil Technology Centre.


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