Clifford Chance is a multinational law firm that is focused on practice areas such as banking and finance, capital markets, corporate & M&A, real estate, litigation and dispute resolution, and tax, pensions, and employment. Clifford Chance is one of the ten largest law firms in the world measured by both number of lawyers and revenue. Clifford Chance was formed by the merger of two London-based law firms in 1987, 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. David Childs has been Managing Partner since 2006. The company is headquartered in London, United Kingdom.