About Us

Donnachadh O’ Brien & Associates was founded by Donnachadh O’Brien, Registered Chartered Engineer,  and has grown to be an established civil and structural engineering consultancy practice. The practice has extensive experience in both public and private sector engineering projects across a broad range of sectors including educational, infrastructural, conservation and refurbishment, commercial, residential and industrial developments.

Our aim is to provide our clients with value added and innovative design solutions through excellence in engineering design and professional service delivery. The firm is a member of the Association of Consulting Engineers of Ireland.

Meet The Team

Donnachadh O'Brien


Paul Doyle

Senior Chartered Civil & Structural Engineer

Richard Kiernan

Senior Chartered Civil & Structural Engineer

Alan Lambe

Senior Civil & Structural Engineer