Arthur J. Gallagher & Co. Acquires Imbs Holdings, 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 CBS Insurance, LLP

January 3, 2023

Insurance

Arthur J. Gallagher & Co. acquired CBS Insurance, LLP, an Abilene, Texas-based retail insurance agency that provides property/casualty and health/benefits coverage. Terms were not disclosed; CBS principals Peter Lauve and Steve Senter and their team will remain in place as part of Gallagher's South Central retail operations.

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 Files Agribusiness, LLC

September 21, 2021

Insurance

Arthur J. Gallagher & Co. announced the acquisition of Files Agribusiness, LLC, a Bastrop, Louisiana-based retail insurance agency specializing in Federal Crop Insurance and agribusiness property/casualty coverages. Financial terms were not disclosed; John Files and his associates will remain in place and operate under Gallagher's Mid-South region leadership to strengthen Gallagher's agribusiness capabilities and geographic reach in the Federal Crop Insurance market.

Arthur J. Gallagher & Co. Acquires Mahowald Insurance, LLC

December 12, 2022

Insurance

Arthur J. Gallagher & Co. (Gallagher) has acquired St. Cloud, Minnesota-based Mahowald Insurance, LLC. Terms were not disclosed; Mahowald's leadership will remain in place and the deal is intended to enhance Gallagher's healthcare market expertise and regional capabilities across the Midwest.

Arthur J. Gallagher & Co. Acquires Hunt Insurance Group

December 5, 2023

Insurance

Arthur J. Gallagher & Co. (Gallagher) has acquired Palos Heights, Illinois-based Hunt Insurance Agency, Inc., dba Hunt Insurance Group; terms were not disclosed. Hunt is a retail property/casualty agency specializing in labor unions and associated benefit funds across the Midwest — the Hunt leadership team will remain in place and operate under Gallagher's Midwest region retail property/casualty brokerage led by Ryan Isaacs.