Erich Höbarth was first concertmaster of the Wiener Symphoniker from 1980 to 1987. From 1979 he was concertmaster and soloist with the Concentus Musicus Wien ensemble under Nikolaus Harnoncourt. From 1979 to 1984, he was a member of the Wiener Streichsextett , which he co-founded.
Since 1987 he is the first violinist of the Quatuor Mosaiques, which plays the classical repertoire on original instruments and collaborates in chamber music with András Schiff and Sabine Meyer.
 Erich Höbarth appears frequently as a soloist with such groups as the Camerata Academica Salzburg, Wiener Kammerorchester, La Chapelle Royale (Paris), Baltic Philharmonia, Graz Philharmonic Orchestra, RSO Vienna, the Wiener Symphoniker, Helsinki Baroque Orchestra and many others. 
 His numerous CD recordings include J.S. Bach’s Brandenburg Concertos, W.A. Mozart’s serenades with solo violin (with Concentus Musicus Wien/Teldec), piano trios by Haydn and L.v. Beethoven (Harmonia Mundi), W.A. Mozart's sonatas for piano and violin, string quartets by Haydn, W.A. Mozart, L.v. Beethoven, Schubert, Felix Mendelssohn (Astree) as well as nearly the whole string sextet repertoire (EMI).
 Erich Höbarth’s first teaching post was as a guest professor for violin at the Graz University of Music and Performing Arts. He later held a special teaching post at the Vienna University of Music and Performing Arts where he taught chamber music for two years. He has been Professor of the summer academy Prag-Wien-Budapest and the European Chamber Music Academy for string quartet. He has resigned as guest professor in Graz so he can devote himself more intensively to the Camerata Bern. He takes over as Artistic Director on August 2001. hae held this post until 2009. In 2009 the Geigenbauschule Brienz foundation awarded him the prize “Goldener Bogen”(golden bow) for his outstanding achievements in the promotion of string instruments.