Arthur J. Gallagher & Co. Acquires AssuredPartners

Arthur J. Gallagher & Co. to Acquire AssuredPartners for $13.45 Billion

December 9, 2024

Insurance

Arthur J. Gallagher & Co. will acquire AssuredPartners in an all-cash transaction valued at $13.45 billion. The deal is expected to close in the first quarter of 2025, subject to regulatory approvals and customary closing conditions.

Arthur J. Gallagher & Co. Acquires Asset Partners Private Wealth Pty Ltd

March 19, 2026

Wealth Management

Arthur J. Gallagher & Co. announced the acquisition of Australia-based Asset Partners Private Wealth Pty Ltd. Terms were not disclosed. The acquired boutique wealth management firm will operate from its current location in Robina, Queensland, under the direction of Gallagher’s employee benefits and HR consulting head for Australia and New Zealand.

Arthur J. Gallagher & Co. Acquires Agilis Partners LLC

February 18, 2025

Wealth Management

Arthur J. Gallagher & Co. has acquired Waltham, Massachusetts-based Agilis Partners LLC, a retirement plan and investment consulting firm with offices in greater Boston, New York and Denver. The acquisition will enhance Gallagher's retirement plan and investment consulting capabilities; terms were not disclosed and Agilis leadership will remain in place.

Arthur J. Gallagher & Co. Acquires Ashton Tiffany LLC

January 5, 2021

Insurance

Arthur J. Gallagher & Co. (Gallagher) acquired Phoenix-based Ashton Tiffany LLC, a full-service risk program administrator that specializes in public entity risk pools. The Ashton Tiffany founders and their associates will remain in place and operate as part of Gallagher's Risk Program Administrators division; terms were not disclosed.

Arthur J. Gallagher & Co. Acquires Eastern Insurance Group

September 19, 2023

Insurance

Arthur J. Gallagher & Co. signed a definitive agreement to acquire Natick, Massachusetts-based Eastern Insurance Group, LLC (a subsidiary of Eastern Bank) for $510 million (net of seller-funded expenses). The acquisition, expected to close in late 2023 and now completed, expands Gallagher’s commercial property/casualty, personal lines and employee benefits capabilities across the Northeast U.S.; Eastern Insurance reported pro forma trailing-12-month revenues of approximately $104 million and EBITDAC of $37 million.

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

May 6, 2025

Financial Services

Arthur J. Gallagher & Co. (Gallagher) has acquired Dallas-based employee benefits brokerage Dean R. Casey & Associates. Dean Casey and his team will join Gallagher’s Dallas office to bolster the firm’s small-group benefits brokerage capabilities in Texas; terms were not disclosed.