Very active on the Montreal music scene, Benjamin starts up in January 2010 the Atomic Big Band by calling on the new generation elite of Montreal. He also directed the Montreal All City Big Band during the 2012 winter session, the same year that he he received his Bachelor in jazz interpretation. A bit later, he flies to France to participate in the McGill Jazz Orchestra 1 tour. In 2013, he joins Jacques Kuba Séguin’s group the Odd Lot for a tour in Poland.
The year 2013 also marks the birth of the Benjamin Deschamps Quartet. The band quickly got noticed since on September 1st it won the Rimouski Festi Jazz Grand Prix. It is also with these same Quartet accomplices that Benjamin launched his first record What do we know with Montreal's label Oddsound Records in march 2014.