Completed Projects

Centre Parcs Longford
Vartry Reservoir
Curragh Racecourse
Microsoft Grangecastle
MSD Biotech
Screenshot 2021-01-06 at 14.12.45
Castlecoote Bridge
Alexion Athlone
Alexion Athlone
Alkermes Athlone
Dublin Airport North Runway
Facebook Data Centre
Facebook Data Centre
N4 Collooney to Castlebalwin
Maynooth Education Campus
Shrewsbury Road
Shrewsbury Road
Glanbia Rome
Glanbia Project Rome

About Irwin Construction

Irwin Construction is a family-owned business based in the midlands.  Our head office is based in Roscommon Town.   The company was formed in 2006 and the majority of the current workforce have been working with us since the company’s inception.  We are customer focused and people orientated. The main source of our business come from returning clients.  This is because we have built up exemplary working relationship and this along with quality and customer satisfaction is the core philosophy of our business.

Our Clients

Tribute to the high standards that Irwin Construction has set itself is that we are privileged to currently hold & have undertook numerous contracts for clients such as ESB, GE Energy and Abbott Diagnostics.  We also have in our extensive portfolio high profile clients such as Cameron Willis, Breedon Cement and Athlone Institute of Technology.  We are proud to also work with a number of pharmaceutical companies including Allergan, Medtronic, Abbvie, and Jazz Pharmaceuticals.  Our portfolio also includes the following reputable building companies John Sisk & Sons, Roadbridge, BAM, JJ Rhatigan, MJ Conroy, and Kilcawley Construction as some of our consistent contracts. So why not view our work and give us a call for more information on our various projects.