Commerzbank Tower, located in the city centre of Frankfurt, Germany, is the tallest completed skyscraper in the European Union.
After it was completed in 1997 it ranked as the tallest skyscraper in Europe until 2005.
It was designed by Foster & Partners, with Arup and Krebs & Kiefer (structural engineering), J. Roger Preston with P&A Petterson Ahrens (mechanical engineering), Schad & Hölzel (electrical engineering). Construction of the building began in 1994 and took three years to complete.