O'Donnell + Tuomey
Architecture and PlanningDublin, Ireland11-50 Employees
O'Donnell + Tuomey is a Dublin-based architecture and planning practice established in 1988 by Sheila O’Donnell and John Tuomey. The studio operates from a central Dublin base, with additional studios in Cork and London, serving projects across Ireland, the UK, and mainland Europe. Its portfolio encompasses educational, cultural, and civic buildings and masterplans, with capabilities spanning from design through contract management, and a track record of working in complex urban contexts and sensitive landscapes. The firm employs a matrix organizational structure that supports rapid decision-making and collaborative work, underpinned by a culture of innovation, autonomy, and continuous learning. In 2022, the practice was publicly recognized for receiving the RIBA Gold Medal for 2015, underscoring its international standing within the architectural community.