Clifford Chance LLP is a multinational law firm headquartered in London, United Kingdom, and a member of the "Magic Circle" of leading British law firms. It is one of the ten largest law firms in the world measured both by number of lawyers and revenue.[4] In 2013/14 Clifford Chance had total revenues of £1.36 billion, the highest of any firm in the Magic Circle in that year, and profits per equity partner of £1.14 million.[3]

Clifford Chance was formed in 1987 by the merger of two London-based law firms, Clifford Turner and Coward Chance. In 1999 it merged with the Frankfurt-based firm Pünder, Volhard, Weber & Axster and the New York-based firm Rogers & Wells.