William L. Walsh


O: 617-934-4550

D: 781-328-8248


Liam is an associate in the firm’s litigation department. His practice focuses on complex litigation matters, including construction defect litigation. Prior to joining MBM, Liam gained valuable experience at a boutique trial firm based in Boston, where he represented clients, predominantly in the Superior Court, throughout the Commonwealth.

Liam is an active member of the bar and is engaged with a number of civic and legal organizations. In 2023, he was appointed for a second term on the Massachusetts Bar Association Young Lawyers Division Board of Directors and is currently a member of the Emerging Leaders Board at Boston Healthcare for the Homeless Program.


  • ▪ Suffolk University Law School (2018)

  • ▪ University of Massachusetts Amherst (2015)


  • ▪ Massachusetts

  • ▪ U.S. District Court, District of Massachusetts