Eddy Au Yeung joined Hong Kong Repertory Theatre (HKRep) in 2012 as a full-time company member. In 2014, he was nominated as Best Supporting Actor (Tragedy/Drama) at the Hong Kong Drama Awards for his performance as Jeremy in The Professor. In 2015, he was also nominated as Outstanding Actor at the 7th Hong Kong Theatre Libre for his performances in Wolf in the House. He was nominated as the Best Actor at the 13th and 15th Hong Kong Theatre Libre with his roles in Theo and The Bucket respectively. In 2023, he won Best Actor (Comedy/Farce) at the Hong Kong Drama Awards for his performance as Master Chi Yuen in Love à la Zen. In 2024, he won Best Actor (Comedy/Farce) again for his performance as the resourceful servent Scapin in Scapin in Jiānghú, Chap. 2023, and was nominated for Best Actor at the Shanghai One Drama Awards. Among his other works are The Tamed and the Tempted, In Between, The Top Restaurant, Lumination of the Forgotten, The Isle , All Good Things, A Winter Funeral, In...