On completing his studies, Eisinger embarked on a busy concert career with a series of concerts at home and abroad, appearing in Munich, Vienna, Graz, Salzburg and Klagenfurt, during which he gave performances of the complete Well Tempered Clavier by Johann Sebastian Bach. He also appeared at Menton, Paris, Montpellier, at the Kissinger Sommer, the Richard Strauss Festival in Garmisch-Partenkirchen and at the Kodály Festival in Hungary. In addition, he completed five concert tours in South Africa, followed by performances of piano concertos and recitals in many European capitals, in Canada and in the USA, and a number of recordings for radio and on CD.