Mergers and Acquisitions May 7, 2026
Plante Moran Expands South of the Border
Plante Moran is headed back to Mexico—the top 15 U.S. firm has added Guadalajara-based accounting firm JA Del Río in a deal expected to close on July 1.
Firm Management April 6, 2026
Fortune’s “Best Companies to Work For” Includes Several Accounting Firms
The Big Four and two other top 15 U.S. accounting firms were included in Fortune magazine’s “100 Best Companies to Work For” ranking for 2026, which was unveiled on April 1.
Mergers and Acquisitions June 9, 2025
Plante Moran Merges in Tonneson + Co. in Massachusetts
The top 20 accounting firm said on June 9 that it's merging with Wakefield, MA-based Tonneson + Co., one of the largest accounting firms in the Boston area, effective July 1.