Doeren Mayhew Acquires TBK CPA, PLLC

Doeren Mayhew Acquires Novotny CPA Group

November 6, 2025

Accounting & Tax

Doeren Mayhew, a national assurance, tax and advisory firm, has acquired Novotny CPA Group, expanding its West Michigan presence. The integration strengthens Doeren Mayhew’s tax and audit capabilities while bringing Novotny partners and staff into Doeren Mayhew’s Grand Haven and Grand Rapids offices.

Doeren Mayhew Acquires Benoit & Associates, CPAs

June 9, 2025

Accounting & Tax

Doeren Mayhew, a national assurance, tax and advisory firm, has acquired Grand Rapids-based Benoit & Associates, CPAs, effective June 1, 2025. The deal deepens Doeren Mayhew's tax capabilities and expands its presence in West Michigan; Maurice Benoit joined Doeren Mayhew as a principal and relocated with his staff to the firm's downtown Grand Rapids office.

Doeren Mayhew Acquires AGL CPA Group to Enter Atlanta Market

July 16, 2025

Accounting & Tax

Doeren Mayhew has merged AGL CPA Group into its firm, establishing a new Atlanta (Duluth) office effective July 16, 2025. AGL brought more than 20 employees and expands Doeren Mayhew's capabilities across tax, audit, transaction advisory, CFO advisory and sector expertise including technology and broker-dealer/alternative investments.

Doeren Mayhew Acquires Thurman Campbell Group, PLC

March 1, 2025

Accounting & Tax

Doeren Mayhew has acquired Nashville-based Thurman Campbell Group, PLC (TCG), effective March 1, 2025, expanding the firm's Tennessee presence. The transaction adds 46 team members (including 11 principals), deepens Doeren Mayhew's expertise in construction, manufacturing and health care, and advances its geographic expansion strategy.

Doeren Mayhew Acquires Lancaster & Reed LLC

December 17, 2025

Accounting & Tax

Doeren Mayhew completed the acquisition of Florida-based Lancaster & Reed LLC (effective Dec. 17, 2025), bringing the Key Biscayne practice and its staff into the Doeren Mayhew brand. The deal gives Doeren Mayhew an entry into the Miami international private client and high-net-worth market and strengthens the firm's international tax and private-client capabilities; Lancaster & Reed co-founders Sherry and Richard Reed will remain with the firm.

Doeren Mayhew Acquires Dent Moses LLP and Impact Technology Group LLC

February 10, 2026

Accounting & Tax

Troy, Michigan-based CPA and advisory firm Doeren Mayhew has acquired Birmingham, Alabama-based Dent Moses LLP and its affiliate Impact Technology Group LLC, effective Feb. 10. The deal establishes Doeren Mayhew's first office in Alabama, adds nine principals and nearly 65 professionals, and enhances its technology services through Impact Technology's managed and co-managed IT services platform.