Bettina Ranch initially studied violin in her hometown Berlin and subsequently changed to singing.
Over the last years, she has given successful guest performances at renowned opera houses such as the Staatsoper Unter den Linden Berlin, the Deutsche Oper Berlin, the Komische Oper Berlin, the Hamburg State Opera, the Aalto-Theater Essen, the Grand Théâtre de la Ville de Luxembourg, and the Nederlandse Opera Amsterdam, where she was engaged amongst others for Mozart and Wagnerian roles as well as major roles in the different baroque operas by Georg Friedrich Handel.