[4] It was transformed from a family firm to a limited company, and new managers were brought in, notably Rudolf Brinckmann and Paul Wirtz.
The bank's headquarters are located at Ferdinandstraße 75 in Hamburg, with additional offices in Frankfurt, Berlin, Hanover, Bremen, Stuttgart, Munich and Cologne.
The bank has been implicated in the Cum-Ex scandal, accused of defrauding taxpayers in excess of over 50 million euro.
According to a Spiegel report published in March 2021, Warburg paid 17.5 million euros to Hanno Berger and Benjamin Frey for advice on cum-ex deals.
Warburg wired the money to Sarasin Bank, which routed it to an offshore firm owned by Berger and Frey in the British Virgin Islands.
The lawyer Gerhard Strate filed a complaint against Olaf Scholz and Peter Tschentscher in February 2022.
[11] In April 2023, the Bonn Regional Court admitted an indictment by the Cologne public prosecutor's office against Dr Christian Olearius for serious tax evasion.