Arthur J. Gallagher & Co. Acquires Stewart, Brimner, Peters & Company, Inc.

Arthur J. Gallagher & Co. Acquires Bridge Insurance Brokers Limited

April 16, 2026

Financial Services

Arthur J. Gallagher & Co. announced it has acquired UK-based Bridge Insurance Brokers Limited. The transaction terms were not disclosed, and the Bridge team will continue operating from offices in Manchester and London.

Arthur J. Gallagher & Co. Acquires International Insurance Brokers Pty Ltd

March 31, 2026

Financial Services

Arthur J. Gallagher & Co. has announced the acquisition of Brisbane, Queensland-based International Insurance Brokers Pty Ltd. The deal terms were not disclosed. The International Insurance Brokers team will relocate to Gallagher’s Brisbane office and operate under Gallagher’s retail property/casualty brokerage leadership.

Arthur J. Gallagher & Co. Acquires Bremer Insurance Agencies, Inc.

September 9, 2025

Insurance

Arthur J. Gallagher & Co. has acquired St. Paul–based Bremer Insurance Agencies, Inc., a subsidiary of Old National Bancorp; terms were not disclosed. The acquisition expands Gallagher's retail property/casualty brokerage footprint in the Upper Midwest, with Travis Hoaglund and his team joining Gallagher's Great Lakes region retail P/C operations.

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 Premier Brokerage Services, Inc.

December 15, 2020

Insurance

Arthur J. Gallagher & Co. acquired Premier Brokerage Services, Inc., a Jenkintown, Pennsylvania-based high-net-worth focused life insurance wholesale agency. The acquisition expands Gallagher’s life brokerage capabilities in the high-end agent and advisory market; Premier will continue to operate from its Jenkintown and Miami offices under Gallagher leadership.

Arthur J. Gallagher & Co. Acquires Garrett-Stotz Company

November 9, 2019

Insurance

Arthur J. Gallagher & Co. (Gallagher) has acquired Garrett-Stotz Company, a Louisville, Kentucky-based full-service commercial and personal lines property/casualty and benefits agency founded in 1931. The deal expands Gallagher’s presence in Kentucky and Indiana, adds expertise in construction and surety, and creates cross-selling opportunities across Gallagher’s retail insurance and employee benefits operations; terms were not disclosed.