Arthur J. Gallagher & Co. Acquires Case Group

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 Cleary Benefits Group Inc.

July 8, 2024

Insurance

Arthur J. Gallagher & Co. (Gallagher) has acquired Danbury, Connecticut-based Cleary Benefits Group Inc., a health and benefits consulting firm serving primarily mid-size to large commercial clients. Cleary's leadership team will remain in place and operate under Gallagher's Northeast region benefits organization; terms were not disclosed.

Arthur J. Gallagher & Co. Acquires Cason, Huff & Schlueter Insurance

October 20, 2022

Financial Services

Arthur J. Gallagher & Co. acquired Quincy, Illinois–based retail insurance agency Cason, Huff & Schlueter Insurance; terms were not disclosed. The acquired team's leaders and associates will remain in place and operate under Gallagher’s Midwest retail property/casualty brokerage leadership to expand the firm’s capabilities in the Midwest.

Arthur J. Gallagher & Co. Acquires Scout Benefits Group LLC

November 4, 2024

Insurance

Arthur J. Gallagher & Co. acquired Oklahoma City-based Scout Benefits Group LLC, an employee benefits consulting firm focused on health plan strategies for clients in Oklahoma. The Scout leadership team (Tiffany and Todd Davis) will remain in place and operate under Gallagher's Central region; terms were not disclosed.

Arthur J. Gallagher & Co. Acquires Southern Insurance Group, LLC

September 11, 2023

Insurance

Arthur J. Gallagher & Co. acquired Columbia, Mississippi-based Southern Insurance Group, LLC. The acquisition expands Gallagher's retail property/casualty brokerage presence in Mississippi and the Southeast U.S.; Southern Insurance Group's team will remain in place and operate under Gallagher's Mid-South brokerage leadership.

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.