Peter was a partner in Hill Brown and then Miller Samuel Hill Brown following the merger of the two firms of Hill Brown and Miller Samuel in 2016.  Peter later became a consultant and retired in 2022. Peter had considerable experience dealing with all aspects of commercial property with a particular emphasis on premises used by the entertainment and licensing industries.  He was a leading licensing lawyer, quoted in Chambers directory of legal experts.

Peter is widely interested in The Arts and is the current Chairman of Scottish Opera, a former board member and past Chairman of both the Tron Theatre and GUCOM, Glasgow Unesco City of Music and is a director of Raindog Ltd, a multimedia arts company.