SimpsonHaugh Architects, founded by Ian Simpson and Rachel Haugh, is an architecture practice based in the UK. The firm is known for its innovative and impactful designs across various sectors, including residential, commercial, and mixed-use developments. SimpsonHaugh has been involved in several high-profile projects such as One Blackfriars in London, a distinctive residential tower known for its sculptural form. They have also worked on the redevelopment of the Manchester Town Hall Extension, which enhanced both the functionality and aesthetics of the historic building. Other notable projects include the Deansgate-Castlefield Metrolink Stop in Manchester, which combines infrastructure with a park-like setting, and the Dollar Bay residential tower in London, recognized for its striking architecture and high-quality living spaces.