Arthur J. Gallagher & Co | News | M&A in consulting

An overview of Arthur J. Gallagher & Co news in the US:

Gallagher acquires Dion Leadership Inc. Arthur J. Gallagher & Co., a Chicago-based insurance broking and HR consulting firm, has acquired Dion Leadership Inc., a boutique, Detroit-based leadership consulting firm.
05 August 2025
Gallagher buys Connecticut-based Cleary Benefits Group Arthur J. Gallagher & Co., an insurance broking and HR consulting firm, has acquired Cleary Benefits Group, a Danbury, CT-based strategic benefits advisory company.
10 July 2024
Gallagher buys HR consultancy OperationsInc Arthur J. Gallagher & Co. has acquired OperationsInc LLC, a Norwalk, CT-based human resources consulting firm.
26 June 2024
Gallagher to acquire HR consultancy Buck Gallagher, a global insurance broking and HR consulting firm, has agreed to acquire Buck, a New York-headquartered provider of retirement, HR, and benefits consulting and administration services.
04 January 2023
Gallagher buys Iowa-based benefits consultancy Mark J. Becker & Associates Arthur J. Gallagher & Co. (Gallagher) has acquired Mark J. Becker & Associates LLC, a Johnston, Iowa-based employee benefit consulting firm. Founded in 2011, Mark J.
08 November 2021
Gallagher buys reinsurance, brokerage businesses from Willis Towers Watson Arthur J. Gallagher & Co. (Gallagher) has agreed to acquire certain reinsurance, speciality, and retail brokerage operations from Willis Towers Watson (WTW). The $3.
18 May 2021
Arthur J. Gallagher & Co. announces two acquisitions Insurance brokerage, risk management, and consultancy firm Arthur J. Gallagher & Co.
14 October 2019
Arthur J. Gallagher & Co announces acquisition of Allied Insurance Brokers Insurance brokerage, risk management, and consultancy firm Arthur J. Gallagher & Co. has acquired Allied Insurance Brokers and its subsidiary, Ascinsure Specialty Risk.
23 September 2019

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