Experience Culture & Tech in the oldest co-working space atmosphere. Key Note | Startup Hub Vienna. German Haus | Barracuda Club. Vienna is a success story for its stability, growth and increasing business numbers. With approx. $100 billion in FDIs, Vienna performs as a central-European economic powerhouse and a modern gateway to East and West. Prominent representatives of the Viennese start-up scene will explain why they have decided to choose Vienna as their perfect place for business success.