Arthur J. Gallagher & Co. to Acquire Woodruff Sawyer

Arthur J. Gallagher & Co. Acquires Willis Towers Watson Treaty Reinsurance Brokerage Operations

December 1, 2021

Insurance

Arthur J. Gallagher & Co. completed the acquisition of substantially all of the treaty reinsurance brokerage operations from Willis Towers Watson plc. The deal combines Gallagher's existing reinsurance business with the acquired operations to form Gallagher Re — a unified global reinsurance platform with roughly 2,400 colleagues across more than 70 offices in 31 countries, enhancing Gallagher's reinsurance capabilities and analytics.

Arthur J. Gallagher & Co. Acquires Wigmore Insurance Agency, Inc.

August 8, 2023

Insurance

Arthur J. Gallagher & Co. (Gallagher) has acquired Wigmore Insurance Agency, Inc., a Costa Mesa, California-based retail insurance broker. The acquisition will keep Tim Wigmore and his team in place and is intended to provide cross-selling opportunities and strengthen Gallagher’s retail property/casualty operations in Southern California.

Arthur J. Gallagher & Co. Acquires AWIS Group

November 11, 2020

Insurance

Arthur J. Gallagher & Co. (through its U.S. wholesale brokerage operation, Risk Placement Services) acquired San Diego-based AWIS Group, a wholesale insurance broker. Terms were not disclosed; the acquisition expands RPS’s presence in the San Diego market and deepens its workers’ compensation and commercial insurance capabilities.

Arthur J. Gallagher & Co. Acquires B&W Insurance Agency

February 19, 2026

Insurance

Arthur J. Gallagher & Co. announced the acquisition of B&W Insurance Agency, Inc., a Washington, Pennsylvania-based insurance brokerage. The deal terms were not disclosed, and the B&W team will continue operating from its current location under Gallagher Select leadership.

Arthur J. Gallagher & Co. Acquires Shepard Insurance Group

November 26, 2024

Insurance

Arthur J. Gallagher & Co. announced the acquisition of Old Greenwich, Connecticut-based Shepard Insurance Group; terms were not disclosed. Shepard's leadership will remain in place, and the deal expands Gallagher's high-net-worth insurance offerings in the Northeast and Florida.

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.