Bethmann Bank AG is a German private bank headquartered in Frankfurt am Main. It is a subsidiary of the Dutch ABN AMRO Bank N.V. and was the product of a merger between the historical German banks Delbrück, Bethmann and Maffei under the umbrella of the renowned Dutch ABN AMRO Bank. LGT Bank Deutschland joined this group in 2011. Bethmann Bank acquired the German private banking activities of Credit Suisse in December 2013. The acquisition positions Bethmann Bank, ABN AMRO’s private bank in Germany, as the third largest private bank in Germany.