Formed in 2002, Belsize Baroque is one of the leading amateur baroque orchestras. It comprises young professionals, students, and top amateur baroque players from London and elsewhere. The orchestra performs on period instruments in an historically informed style. It collaborates regularly with leading baroque directors to give orchestral performances, and works on baroque and classical repertoire with choral groups.

The orchestra showcases the abilities of talented college students and young professional musicians, providing these players with the opportunity to perform with top directors and an experienced baroque orchestra.