Wüstenrot & Württembergische (W&W) is a German financial services group, based in Stuttgart founded in 1999. The Wüstenrot side of the business offers banking services. Württembergische offers insurance. W&W took over Karlsruher Versicherungsgruppe in 2005, thereby becoming one of Germany's top 15 insurance groups. The company is primarily active in the building society and insurance sectors. The main focus is on private and corporate customers. Wüstenrot Bausparkasse ranks second among the private building societies in terms of the amount of new building society business. Württembergische Lebensversicherung and Württembergische Versicherung are among the top ten German life and property insurers.