Diversity, to paraphrase William James, is paved with good intentions. In this age of political correctness, the majority of companies at least pay lip service to the idea of equal opportunities, claiming they are committed to employing staff from a wide range of ethnic and social backgrounds.

Law firms tend to lag behind their corporate and banking clients in terms of diversity. “The profile of the typical City partner remains white and predominantly male,” says Mike Francies, UK managing partner of Weil Gotshal & Manges.