The KfW, which together with its subsidiaries DEG, KfW IPEX-Bank and FuB forms the KfW Bankengruppe ("banking group"), is a German state-owned investment and development bank, based in Frankfurt. As of 2014, it is the world's largest national development bank and as of 2018 Germany’s third largest bank by balance sheet. Its name originally comes from Kreditanstalt für Wiederaufbau ("Credit Institute for Reconstruction"). It was formed in 1948 after World War II as part of the Marshall Plan.

It was established in 1870. The Deutsche Bank has employed over 120,300 employees. Around 2016, it reported a loss of Euro 1.356 billion. It also has one of the top banking, and fiscal services in the world, with a widespread presence in Europe, the Americas, the Asia-Pacific region, and many developing markets. It is also a private-owned bank. As of 2018, the Deutsche Bank had total acquired total assets of Euro. 2.08 trillion.