Concerts with his ensembles and as a guest conductor have taken him to Spain, Germany, England, Latvia, Romania, Bermuda, the USA and throughout Switzerland. During the last years, he has followed invitations as a conductor to Frankfurt (Oder), Pamplona, Riga, Bratislava, Sibiu, Oradea, Cluj-Napoca, Canterbury and Lincoln.
He has worked with orchestras and choirs such as Lucerne Symphony Orchestra, Zurich Chamber Orchestra, Orquesta Sinfonica de Navarra, Musikkollegium Winterthur, Brandenburgisches Staatsorchester Frankfurt, Atlanta Baroque Choir & Orchester, Zuger Sinfonietta, Camerata Musica, Transylvanian Philharmonic Choir & Orchestra, Sibiu State Philharmonic Choir & Orchestra, Oradea State Philharmonic Choir & Orchestra, Magnolia Baroque Festival Choir & Orchestra, La banda antix, Cappricio, Putni, Zürcher Singakademie, etc.
For the 2017/18 season Smith has received invitations from Stuttgarter Kammerorchester, Musikkollegium Winterthur and Timisoara Philharmonic Orchestra., as well as repeat invitations from Oradea State Philharmonic Choir & Orchestra, and Sibiu State Philharmonic Choir & Orchestra.
Stephen Smith regularly prepares his choir, the Ensemble Corund, for conductors such as Douglas Boyd, James Gaffigan, Mario Venzago, Laurence Cummings, Mark Elder, Howard Arman or Douglas Bostock