Arthur J. Gallagher & Co. Acquires Tyler Insurance Agency

Arthur J. Gallagher & Co. Acquires Centennial Insurance Agency, LLC

December 14, 2015

Insurance

Arthur J. Gallagher & Co. (AJG) acquired Centennial Insurance Agency, LLC, a Pueblo, Colorado-based retail insurance broker founded in 1982 that provides commercial property/casualty, risk management consulting and personal lines across the Western United States. The Centennial leadership team (Mark Swanson, David Swanson, Doug Helzer and Tom Ratzlaff) will continue to operate in their Colorado and New Mexico locations as part of Gallagher's Western region retail property/casualty brokerage operations. Terms were not disclosed.

Arthur J. Gallagher & Co. Acquires The John Galt Insurance Agency

February 5, 2024

Insurance

Arthur J. Gallagher & Co. has acquired Fort Lauderdale-based John Galt Commercial Insurance Agency, LLC and John Galt Insurance Agency, Inc. The acquisition strengthens Gallagher's property/casualty capabilities in condominium and multi-family real estate across Florida; the John Galt team will remain in place under Gallagher's Southeast retail P/C leadership.

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 Cornerstone Commercial & Personal Insurance Services, Inc.

July 1, 2024

Insurance

Arthur J. Gallagher & Co. acquired Rancho Cucamonga, California–based Cornerstone Commercial & Personal Insurance Services, Inc.; terms were not disclosed. Cornerstone’s founders Phil and Allison Hakopian and their team will remain in place, joining Gallagher’s Southwest retail property/casualty brokerage under Scott Firestone to strengthen Gallagher’s homeowners association and regional commercial insurance capabilities.

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.