Hilary Geddes performs in a range of formats, most notably as a bandleader of small ensembles such as quartets, as well as in collaborative projects within the jazz community. Her work often highlights contemporary jazz guitar, combining structured compositions with improvisational elements that evolve in live performance settings.

Her performances are particularly suited to curated events, live music venues, and festivals where contemporary jazz is featured. With a focus on modern jazz expression and ensemble interplay, her music appeals to audiences interested in current developments in the Australian jazz scene.