Arthur J. Gallagher & Co. Acquires MACK Insurance Services

Arthur J. Gallagher & Co. Acquires Albany Insurance Services

October 2, 2026

Financial Services

Arthur J. Gallagher & Co. has acquired Albany Insurance Services Limited to expand Gallagher’s insurance brokerage presence in New Zealand. Albany Insurance will become part of Gallagher’s New Zealand brokerage organization, with the team operating under Gallagher leadership. Financial terms were not disclosed.

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

March 31, 2026

Financial Services

Arthur J. Gallagher & Co. has announced the acquisition of Brisbane, Queensland-based International Insurance Brokers Pty Ltd. The deal terms were not disclosed. The International Insurance Brokers team will relocate to Gallagher’s Brisbane office and operate under Gallagher’s retail property/casualty brokerage leadership.

Arthur J. Gallagher & Co. Acquires M.J. Schuetz Insurance Services Inc.

December 18, 2024

Insurance

Arthur J. Gallagher & Co. has acquired Indianapolis-based M.J. Schuetz Insurance Services Inc. The acquisition expands Gallagher's Midwest retail property/casualty brokerage capabilities, integrating Schuetz's expertise in construction, landscaping, manufacturing and real estate into Gallagher's Great Lakes region operations.

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 MCMM Services Limited

January 11, 2024

Insurance

Arthur J. Gallagher & Co. acquired UK-based MCMM Services Limited, a Mansfield-based provider of administrative and claims management services to members of Education Mutual. The acquisition expands Gallagher's UK education specialist capabilities and will integrate Les Marshall and his team into Gallagher's education practice.

Arthur J. Gallagher & Co. Acquires McNeary, Inc.

May 19, 2016

Insurance

Arthur J. Gallagher & Co. (AJG) acquired McNeary, Inc., a Charlotte-based retail insurance broker specializing in commercial property/casualty, risk management and employee benefits, effective May 2016. The acquisition expands Gallagher's southeastern U.S. presence and strengthens its property/casualty and employee benefits capabilities; terms were not disclosed.