Arthur J. Gallagher & Co. Acquires Zayla Partners, LLC

Arthur J. Gallagher & Co. Acquires Agilis Partners LLC

February 18, 2025

Wealth Management

Arthur J. Gallagher & Co. has acquired Waltham, Massachusetts-based Agilis Partners LLC, a retirement plan and investment consulting firm with offices in greater Boston, New York and Denver. The acquisition will enhance Gallagher's retirement plan and investment consulting capabilities; terms were not disclosed and Agilis leadership will remain in place.

Arthur J. Gallagher & Co. Acquires AssuredPartners for $13.45B

December 9, 2024

Insurance

Arthur J. Gallagher & Co. agreed to acquire AssuredPartners in a $13.45 billion all-cash transaction, buying stakes held by private equity investors. AssuredPartners is a large insurance brokerage with c.10,900 colleagues and ~400 offices across the U.S., the United Kingdom and Ireland; the deal expands Gallagher's brokerage scale and capabilities and is subject to customary regulatory approvals.

Arthur J. Gallagher & Co. Acquires OperationsInc, LLC

June 24, 2024

Staffing & HR

Arthur J. Gallagher & Co. acquired OperationsInc, LLC, a Norwalk, Connecticut-based HR consulting firm that provides HR, payroll, HRIS, talent acquisition and employee training services. Terms were not disclosed; David Lewis and his team will remain in Norwalk and report into Gallagher's Global Human Resources & Compensation Consulting leadership. The deal expands Gallagher's employee benefits consulting capabilities and service offering across U.S. clients.

Arthur J. Gallagher & Co. Acquires AssuredPartners for $12.45 Billion

December 9, 2024

Insurance

Arthur J. Gallagher & Co. (Gallagher) completed the acquisition of AssuredPartners for $12.45 billion, adding roughly 10,900 colleagues and materially expanding its U.S. middle-market property & casualty and employee benefits capabilities. The deal is expected to be financially accretive with significant synergies and will broaden Gallagher's specialty, wholesale and international capabilities.

Arthur J. Gallagher & Co. Acquires Dean R. Casey & Associates

May 6, 2025

Financial Services

Arthur J. Gallagher & Co. (Gallagher) has acquired Dallas-based employee benefits brokerage Dean R. Casey & Associates. Dean Casey and his team will join Gallagher’s Dallas office to bolster the firm’s small-group benefits brokerage capabilities in Texas; terms were not disclosed.

Arthur J. Gallagher & Co. Acquires The Equinox Agency, LLC

July 17, 2025

Insurance

Arthur J. Gallagher & Co. has acquired The Equinox Agency, LLC, an employee health and benefits consulting firm based in Emmaus, Pennsylvania. The Equinox team will remain in place and integrate with Gallagher’s Northeast employee benefits consulting and brokerage operations to expand Gallagher’s benefits capabilities in the Lehigh Valley region; terms were not disclosed.