Plante Moran Brings In Boston-Based Firm Tonneson + Co
By Amit Chowdhry ● Jun 14, 2025
Plante Moran, which is one of the nation’s largest audit, tax, consulting, and wealth management firms, announced that Boston-based accounting and advisory firm Tonneson + Co will join the firm, effective July 1, 2025. This strategic combination marks a major milestone in Plante Moran’s continued expansion along the East Coast and affirms both firms’ commitment to their clients and staff.