Stefan Sonnenberg, Managing Director at Investitionsbank Berlin, Berlin, Berlin, Germany — verified investor profile. See sector focus and contact routes.
Investitionsbank Berlin (IBB) is the development bank for the state of Berlin. It supports businesses of all sizes, industries, and development phases with financing solutions like loans, equity, and grants for investments, innovations, founding, and growth. IBB also promotes affordable housing, climate neutrality, and modern living standards through programs for real estate purchase, new construction, modernization, and renovation. Additionally, it invests in people and society through labor market promotion, focusing on education, skilled worker retention, and social inclusion, co-financed by the European Social Fund Plus (ESF+).
Details on this investor come from filing and round data held in the StartupFundraising directory, refreshed on ingest. Founders use profiles like this one to qualify fit and to shortlist investors in Berlin.
Investors like Stefan Sonnenberg · Full investor directory · Investor access · Company funding database