Judged by a hatful of metrics, White & Case’s London office is an undoubted success.

Revenue of $172 million last year, up 38 percent since 2005; market-leading acquisition finance and project finance practices; high-profile rainmakers with key relationships with Deutsche Bank, Goldman Sachs and the Royal Bank of Scotland; eight new partners promoted at the start of this year; and one of the most aggressive lateral hiring policies in London. All that has been achieved from a standing start in just less than 30 years, without a merger in sight. The firm is now the second-largest U.S. firm in London by revenues, just behind Mayer Brown.