Arup is one of the largest engineering consulting firms in Ireland, with over 550 qualified and accredited engineers and staff in their four offices. They have built a reputation for unrivalled local expertise and knowledge.

They have been delivering landmark projects since their foundation in 1946, when Sir Ove Arup teamed up with a local architect, Michael Scott of Scott Tallon Walker. The design of Busáras, the Irish national bus company headquarters, was Arup's first project in Ireland. This represents outstanding importance in the history of Irish architecture.