The New York Times has described Juno award winning and Grammy-nominated Kradjian's playing as a "persuasive balance between elegance and spirit". The Globe and Mail called him "a keyboard acrobat" of "crystal virtuosity", and the Frankfurter Allegemeine said he had a "fiery temperament and elegant sound" with "a technique to burn".
Kradjian has appeared with the Vancouver and Edmonton Symphonies , Madrid Symphony, Göttingen Symphony, Russian National Orchestra, the Armenian Philharmonic and the Thailand Philharmonic under the baton of such eminent conductors as Bramwell Tovey, Stéphane Denève, Anne Manson, Gudni Emilsson and Raffi Armenian.
Solo and chamber music recitals have taken Kradjian to many prestigious venues around the world, including Roy Thomson Hall, Koerner Hall (Toronto), Carnegie Hall (New York City), Orpheum Theatre (Vancouver), Spivey Hall (Atlanta), Herbst Theatre (San Francisco), Jordan Hall (Boston), Cultural Center (Chicago), Wigmore Hall (London, UK) Salle Gaveau (Paris, FR). He has been invited to esteemed festivals, amongst them, the Ottawa Chamber Music Festival, the Montreal Chamber Music Festival, Bergen Festival, Savannah Music Festival, Colmar Festival and the Festival Del Sole- Tuscan Sun Festival in Cortona, Italy.
As a busy collaborative artist he has appeared in concert with sopranos Dawn Upshaw, Isabel Bayrakdarian, Hasmik Papian, baritone Russell Braun, tenor Michael Schade, violinists Lara St. John, Jonathan Crow and Ara Malikian. the Pacifica Quartet, and the Arthur LeBlanc Quartet.
Serouj Kradjian's discography includes the highly acclaimed Transcendental Etudes and Piano Concerti by Franz Liszt on the Warner Music Spain label, "Miniatures", an anthology of music written by Armenian composers, and Robert Schumann's three Sonatas for Violin and Piano (with Ara Malikian) are both Hänssler Classic releases. With Isabel Bayrakdarian he recorded songs by Pauline Viardot-Garcia, which brought the two artists international accolades and a 2006 Juno Award for Classical Album of the Year. He was nominated for a 2011 Juno award for "Armenian Chamber Music", an ATMA Classique recording Kradjian did with his critically acclaimed chamber group the Amici Chamber Ensemble for which he is a co-artistic director.
Works composed or arranged by Serouj Kradjian have been performed by I Musici Montreal, the Vancouver Symphony and the Elmer Iseler Singers. He has especially enjoyed exploring and performing tango music which led to the critically acclaimed disc "Tango Notturno" on CBC Records. His orchestral arrangements of folk songs by Komitas – Armenia's national composer were released in 2008 on the Nonesuch label earning him a Grammy award nomination. "Trobairitz Ysabella", a song cycle for soprano and orchestra, inspired by medieval women troubadours, was a commission by the CBC and was premiered in 2011.