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

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 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.

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 Boley-Featherston Insurance

April 10, 2023

Insurance

Arthur J. Gallagher & Co. has acquired Wichita Falls, Texas-based retail agency Boley-Featherston Insurance. Terms were not disclosed; the Boley-Featherston leadership team will remain in place and operate under Gallagher’s South Central retail property/casualty brokerage organization, expanding Gallagher’s presence and capabilities in Texas across oil & gas, construction and benefits consulting.

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

February 19, 2026

Insurance

Arthur J. Gallagher & Co. has acquired B&W Insurance Agency, Inc., a Washington, Pennsylvania-based personal and commercial insurance brokerage. Terms were not disclosed; the B&W team, including Paul Barzd III and Jim Cote, will remain in Washington and report into Gallagher Select as part of Gallagher's strategy to expand its retail brokerage footprint in southwest Pennsylvania.