The B. Metzler seel. Sohn & Co. AG is a private banking company in Frankfurt, Germany. Metzler traces its origins to a trading company established 1674 by in Frankfurt and is Germany’s second oldest bank (after Berenberg Bank) and the world's 5th oldest. The Metzler has been owned continuously and exclusively by the founding family since its foundation in 1674. Since 1971 Friedrich von Metzler has been leading the bank in the 11th generation as personally liable partner of the banking house. End of May 2018 he retired from the executive committee.