The company mounts baroque operas and ballets from the 17th and 18th centuries that are presented in venues located in Toronto's Theatre District.

[3][4] The company has performed baroque operas in New York, Houston, Stuttgart, Bremen, London, Singapore, Seoul, and Tokyo, and at the Glimmerglass Festival and Chateau de Versailles, France.

Opera Atelier received a number of Lieutenant Governor's Awards for the Arts before these were discontinued in 2003.

They use period instruments, as well as sets and costume designs that reflect the aesthetics of the epoch.

Opera Atelier has collaborated with other music organizations in Toronto, including the Tafelmusik Baroque Orchestra (Opera Atelier's pit orchestra for performances at the Elgin Theatre) and the Royal Conservatory of Music.