Arthur J. Gallagher & Co. Acquires A.H. Horn and Associates (Horn)

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

December 2, 2024

Insurance

Arthur J. Gallagher & Co. has acquired Lambton, New South Wales‑based Hann Insurance Brokers Pty Ltd; terms were not disclosed. Rhett Hann and his team will join Gallagher's Newcastle office, expanding Gallagher's retail property/casualty brokerage capabilities in Australia with added transport-sector expertise.

Arthur J. Gallagher & Co. Acquires Acumen Advisors, Inc.

May 13, 2024

Insurance

Arthur J. Gallagher & Co. (Gallagher) has acquired Cedar Rapids-based Acumen Advisors, Inc., an employee benefits consulting firm serving small and mid-size businesses throughout Iowa. The Acumen team, led by Andrew Morf and Kirby Moss, will remain in place and operate under Gallagher's Midwest employee benefits consulting organization; terms were not disclosed.

Arthur J. Gallagher & Co. Acquires Horak Insurance, Inc.

January 30, 2024

Insurance

Arthur J. Gallagher & Co. acquired Washington, Iowa–based Horak Insurance, Inc., a retail property/casualty insurance agency serving commercial, personal and farm clients in eastern and central Iowa. Paul Horak and Luke Horak will remain with the business and continue operating under Gallagher’s Midwest retail property/casualty brokerage leadership; terms were not disclosed.

Arthur J. Gallagher & Co. Acquires Hagan Insurance Group

July 25, 2023

Insurance

Arthur J. Gallagher & Co. acquired Sioux Falls–based Hagan Insurance Group to expand its association and affinity benefits capabilities. The Hagan team will remain in place and operate under Gallagher's Affinity North America leadership to provide complementary expertise and cross-selling opportunities.

Arthur J. Gallagher & Co. Acquires Buck from H.I.G. Capital

April 3, 2023

Professional Services

Arthur J. Gallagher & Co. (Gallagher) has completed the acquisition of Buck, a New York–headquartered provider of retirement plan consulting, health & welfare consulting, employee communications, and technology-enabled benefits administration services. The transaction represents H.I.G. Capital's exit after acquiring Buck in 2018 and supporting growth through strategic initiatives and add-on acquisitions.

Arthur J. Gallagher & Co. Acquires Anderson Benson

March 2, 2023

Insurance

Arthur J. Gallagher & Co. (Gallagher) has acquired Anderson Benson, a Nashville-based retail insurance broker and risk management firm with niche expertise in the entertainment sector and specializations in hospitality, construction and transportation. The Anderson Benson team will remain in Nashville and operate under Gallagher's Mid-South retail property/casualty brokerage leadership; terms were not disclosed.