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

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 BMR Insurance (Murray Gardner Insurance Agency)

December 27, 2024

Insurance

Arthur J. Gallagher & Co. has acquired Murray Gardner Insurance Agency Inc., dba BMR Insurance, a Tustin, California-based retail insurance agency serving commercial and personal lines across Southern California. The deal will integrate BMR into Gallagher’s Southwest retail brokerage operations to expand its retail brokerage capabilities in the region; terms were not disclosed.

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

October 23, 2023

Insurance

Arthur J. Gallagher & Co. acquired Mineola, New York-based Rosenzweig Insurance Agency, Inc.; terms were not disclosed. Rosenzweig will operate as part of Gallagher Agency Alliance and will remain in its current location, enhancing Gallagher's small-business property/casualty and employee benefits capabilities.

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 Rogers & Young Insurance Services, LLC

September 14, 2018

Insurance

Arthur J. Gallagher & Co. acquired Windsor, California-based Rogers & Young Insurance Services, LLC, a diversified commercial and personal lines insurance agency focused on contractors and construction clients. The founders and their team will continue to operate from their current location under Gallagher's regional leadership; terms were not disclosed.

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

June 8, 2016

Insurance

Arthur J. Gallagher & Co. (Gallagher) acquired KRW Insurance Agency, Inc., a Crystal Lake, Illinois-based retail insurance broker. KRW, established in the 1940s, provides commercial property/casualty, risk management, employee benefits and personal lines with specializations in the construction and manufacturing industries; management will continue to operate under Gallagher's Midwest region.