For more than a decade Perth-born Andrew O’Connor has maintained a busy freelance career encompassing opera, the concert platform, vocal chamber music, and the classroom. Praised for his 'remarkable musicianship' (Limelight Magazine) and 'textured, fine-wine bass baritone' (Arts Hub) he appears regularly with many of Australia's leading music organisations.

Formerly a permanent member of The Song Company from 2015-2019, he is a Lay Clerk at St Mary's Cathedral, was an Associate Artist with Pacific Opera in 2019, winner of the Royal Melbourne Philharmonic Prize in 2020. In 2022 he made his international debut with the VOCES8 Foundation and in 2023 joined the American Bach Soloists Academy in San Francisco.

In 2024 Andrew makes important solo debuts with the Adelaide Symphony Orchestra singing Handel's Messiah and the Melbourne Symphony Orchestra singing the world premiere of Katy Abbott's Hidden Thoughts III: Stories of Awe. Other projects include the entirety of Pinchgut Opera's 2024 Season including the role of Achilla in Handel's Giulio Cesare, three projects with The Song Company as part of their 40th Anniversary Season, further touring, recording, and creative development with AVÉ – Australian Vocal Ensemble, and numerous projects with Bach Akademie Australia, Salut! Baroque, Moorambilla Voices and more.