Mr. Egerton was admitted as a solicitor in England and Hong Kong in 1984 and ceased to be a practising solicitor in March 2004. He has been an Ad Hoc Family Court Deputy District Judge and was a former member of the working groups on Family Mediation and Financial Dispute Resolution. As a solicitor he was a panel member of the Solicitors Disciplinary Tribunal, the Joint Tribunal of the Bar and Law Society and the panel of Mentors. He is a former Chairman of the Law Society Family Law Committee and Family Mediation Committee. He is a fellow of the International Academy of Matrimonial Lawyers and an accredited Mediator. He was called to the Hong Kong Bar in August 2004 and served on the Bar Council from March 2006 to 2011. He was the former Chairman of the Hong Kong Family Law Association.