Quintin was awarded the DipRAM, the Academy's own premier-prix for an outstanding performance in a final recital

At his graduation ceremony, Quintin was the recipient of the Academy's Foundation Award, a prize for excellent studentship and all-round contribution to the institution.

Quintin is Director of Music at St Cuthbert’s Church, Earl’s Court and a founding member and Associate Musical Director of the professional choir Mousai. In April 2016, he took up the position of Musical Director of Yateley Choral Society and in June 2018 was appointed Associate Music Director of Pegasus Chamber Choir. In addition, he conducts the SATB choir at the Junior Department of the Royal Academy of Music.