Arthur J. Gallagher & Co. Acquires BMR Insurance (Murray Gardner Insurance Agency)

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. (Gallagher Re) Acquires MGB Re

January 16, 2024

Insurance

Arthur J. Gallagher & Co., through its reinsurance division Gallagher Re, has acquired Toronto-based MGB Re. The acquisition will expand Gallagher Re's medical reinsurance capabilities and bring MGB's leadership team into Gallagher Re's North America operations; terms were not disclosed.

Arthur J. Gallagher & Co. Acquires Benchmark Commercial Insurance Services

July 13, 2023

Insurance

Arthur J. Gallagher & Co. acquired Carlsbad, California-based Benchmark Commercial Insurance Services. The acquisition expands Gallagher's retail property/casualty brokerage presence in Southern California; Benchmark's principal Robert Cohen and his team will remain in place.

Arthur J. Gallagher & Co. Acquires Bircroft Insurance Services

April 3, 2025

Insurance

Arthur J. Gallagher & Co. (Gallagher) has acquired London-based Bircroft Insurance Services, a specialist broker focused on retail and wholesale insurance for the commercial real estate sector. The Bircroft team, led by Ian Lee and Simon Bird, will join Gallagher’s specialist real estate practice within its UK & Ireland Retail division; terms were not disclosed.

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 Morgan, Trevathan & Gunn, Inc.

September 12, 2023

Financial Services

Arthur J. Gallagher & Co. (Gallagher) has acquired Benton, Kentucky-based retail insurance broker Morgan, Trevathan & Gunn, Inc. The boutique brokerage, which specializes in trucking industry insurance for clients in Kentucky and nearby states, will continue to operate from its current location with its existing leadership team remaining in place under Gallagher's Mid-South retail P/C brokerage operations.