Arthur J. Gallagher & Co. Acquires Bridge Insurance Brokers Limited

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 Bircroft Insurance Services

April 3, 2025

Insurance

Arthur J. Gallagher & Co. (Gallagher) has acquired London-based Bircroft Insurance Services, a specialist broker focused on retail and wholesale insurance for the commercial real estate sector. The Bircroft team, led by Ian Lee and Simon Bird, will join Gallagher’s specialist real estate practice within its UK & Ireland Retail division; terms were not disclosed.

Arthur J. Gallagher / Gallagher Re Acquires Bay Risk Services Limited

March 6, 2023

Insurance

Arthur J. Gallagher & Co., through its reinsurance division Gallagher Re, has acquired the business and assets of UK-based Lloyd’s broker Bay Risk Services Limited, a member of the Optio Group. Bay Risk, founded in 2016 and specializing in structuring and placing delegated underwriting authority (binder) business for program managers, MGAs and Lloyd’s coverholders, will join Gallagher Re’s global programs practice; the existing Bay Risk leadership team will remain in place. Terms were not disclosed.

Arthur J. Gallagher & Co. Acquires Willis Towers Watson Treaty Reinsurance Brokerage Operations

December 1, 2021

Insurance

Arthur J. Gallagher & Co. completed the acquisition of substantially all of the treaty reinsurance brokerage operations from Willis Towers Watson plc. The deal combines Gallagher's existing reinsurance business with the acquired operations to form Gallagher Re — a unified global reinsurance platform with roughly 2,400 colleagues across more than 70 offices in 31 countries, enhancing Gallagher's reinsurance capabilities and analytics.

Arthur J. Gallagher & Co. Acquires Allied Insurance Brokers (and Ascinsure Specialty Risk)

September 23, 2019

Insurance

Arthur J. Gallagher & Co. has acquired Pittsburgh-based Allied Insurance Brokers, including its subsidiary Ascinsure Specialty Risk. The acquisition adds niche crane, scaffold and equipment-dealer insurance expertise and a program underwriting capability to Gallagher’s construction practice and U.S. wholesale operations.