History

From Wohnungsfürsorgegesellschaft to IBB

The history of Investitionsbank Berlin (IBB) is closely linked to the history of Berlin. The company's history spans from the overcoming of housing shortages in the 1920s to measures designed to compensate for structural shortcomings after reunification to monetary business support measures in the 21st century.

Year
1924	Established as Wohnungsfürsorgegesellschaft Berlin mbH in order to finance housing in Berlin
1937	Conversion to Wohnungsbau-Kreditanstalt of the Reich's capital city of Berlin (as an incorporated institution of the municipal administration)
1965	Conversion to Wohnungsbau-Kreditanstalt Berlin as an institution under public law. Wohnungsbau-Kreditanstalt Berlin becomes a capital collection unit for loans pursuant to section 17 of the Law Promoting the Berlin Economy in Order to Support and Subsidise Housing Construction in Berlin.
1993	Conversion to Investitionsbank Berlin and addition of the business promotion and subsidy portfolio; integration into Landesbank Berlin as an economically and organisationally independent division.
2004	Demerger from Landesbank Berlin and establishment as the independent institution of Investitionsbank Berlin under public law with public-sector responsibility and the refinancing guarantee by the Federal Land of Berlin