Mr Kukies said: "German corporates rely massively on wholesale financing from the City of London. We’ll have to maintain pragmatism no matter what happens.
“There’s so much depth and intensity of relationships between European countries and the UK that this will not degenerate into animosity.”
Gabriel Felbermayr, the Austrian head of Germany’s prestigious Kiel Institute for the World Economy, said free trade with Britain is “incredibly important”.
Follow our Brexit live blog for all the latest news and updates…