In 2009, Montgomery received funding from the George and Geraldine Swensen Watkins Endowment for Excellence in the Arts, which allowed him to perform at Society for Electro-Acoustic Music in the United States (SEAMUS) in Fort Wayne, Indiana. There he was awarded Second Prize at the 2009 ASCAP/SEAMUS Student Composer Commissioning Program. The designation came with a cash prize and a commission for a piece to be premiered at the 2010 SEAMUS Conference.
In 2011, Montgomery won a student Emmy for best music composition for the short animated film Dream Giver. In 2015, he was awarded a 2016 LDS Barlow Commission for music composition.