Arthur J. Gallagher & Co. Acquires Dean R. Casey & Associates

Arthur J. Gallagher & Co. Acquires Dyste Williams

March 3, 2025

Insurance

Arthur J. Gallagher & Co. has acquired Minneapolis-based retail insurance agency Dyste Williams. The agency’s principals and team will remain in place and join Gallagher Agency Alliance to deepen Gallagher’s small-business property/casualty and employee benefits capabilities in the Upper Midwest; terms were not disclosed.

Arthur J. Gallagher & Co. Acquires Case Group

February 27, 2025

Insurance

Arthur J. Gallagher & Co. has acquired São Paulo-based Case Group, an employee and health benefits brokerage and consulting firm. The Case Group team will remain in São Paulo and operate under Gallagher's Brazil leadership to expand Gallagher's employee and health benefits capabilities in Brazil; terms were not disclosed.

Arthur J. Gallagher & Co. Acquires AssuredPartners

December 9, 2024

Insurance

Arthur J. Gallagher & Co. (Gallagher) signed a definitive agreement to acquire AssuredPartners, with the transaction expected to close in the first quarter of 2025. The deal value is about $13.45 billion gross (about $12.45 billion net after an estimated $1.0 billion deferred tax asset), and Gallagher expects ~$160 million in synergies and ~$500 million of integration costs. Gallagher subsequently closed the acquisition in August 2025.

Arthur J. Gallagher & Co. Acquires Cleary Benefits Group Inc.

July 8, 2024

Insurance

Arthur J. Gallagher & Co. (Gallagher) has acquired Danbury, Connecticut-based Cleary Benefits Group Inc., a health and benefits consulting firm serving primarily mid-size to large commercial clients. Cleary's leadership team will remain in place and operate under Gallagher's Northeast region benefits organization; terms were not disclosed.

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.

Arthur J. Gallagher & Co. Acquires McPherson Benefits Group

December 8, 2015

Insurance

Arthur J. Gallagher & Co. acquired McPherson Benefits Group, a Madison, Mississippi-based employee benefits consulting and brokerage firm. The acquisition strengthens Gallagher's South Central employee benefits operations and expands its presence in Mississippi; terms were not disclosed.