Ian Ritchie Architects Ltd is a British architectural and design practice, based in London led by its founder Ian Ritchie. The practice changed its name to 'Ritchie Studio' on 24 June 2021. Recently completed projects include the RIBA Award-winning Susie Sainsbury Theatre and Angela Burgess Recital Hall for the Royal Academy of Music and the Sainsbury Wellcome Centre for Neural Circuits and Behaviour, University College London.