Lewis qualified as a barrister in 2013 before being admitted to the role as a solicitor in 2017. In over 10 years of practising law, Lewis has developed a wide and varied caseload. His particular fields of expertise include all aspects of litigation; commercial and residential property transactions; landlord and tenant matters; collective and leasehold enfranchisement; commercial contracts and disputes; and contested probate and trust disputes.

Outside of the office, Lewis is a keen sportsman. He plays squash for the MCC, and snooker and cricket for the Oriental Club. Lewis is also a dedicated musician. He holds a Bachelor of Music with honours from the Royal Birmingham Conservatoire, and continues to pursue his love of jazz.