Clarification (2019-03-01): The fiscal years in the story and charts below refer to the year the data were published by The American Lawyer and The National Law Journal. Those figures pertain to the prior fiscal year for the firms included in Am Law 200 and NLJ 500 indexes.

For several years Boston has been seen as a go-to destination for many Big Law firms, and a new analysis by The American Lawyer shows that the expansion effort has been led by Am Law 200 firms looking to establish a foothold in Beantown.