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

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 Bridge Insurance Brokers Limited

April 16, 2026

Financial Services

Arthur J. Gallagher & Co. announced it has acquired UK-based Bridge Insurance Brokers Limited. The transaction terms were not disclosed, and the Bridge team will continue operating from offices in Manchester and London.

Arthur J. Gallagher & Co. Acquires MACK Insurance Services

August 5, 2025

Insurance

Arthur J. Gallagher & Co. has acquired Australia-based MACK Insurance Services, a commercial insurance broker focused on the agriculture sector. Lizzie Carver and her team will join Gallagher’s Australian brokerage operations from offices in Wagga Wagga and Narrandera, New South Wales; terms were not disclosed.

Arthur J. Gallagher & Co. Acquires Tresidder Insurance Brokers

April 1, 2025

Insurance

Arthur J. Gallagher & Co. acquired Australia-based Tresidder Insurance Brokers to strengthen its specialty broking presence in Australia. Tresidder, which operates offices in Victoria and Queensland and serves commercial and personal lines clients across industries including manufacturing, food & beverage, biotech and agriculture, will join Gallagher’s Australia specialty broking division.

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 Clements Worldwide

October 18, 2023

Insurance

Arthur J. Gallagher & Co. has acquired Clements Worldwide, a Washington, D.C.-based international insurance broker; terms were not disclosed. Clements' leadership and team will remain in place and will report into Gallagher's mid-South retail P&C brokerage operations, with the acquisition intended to bolster Gallagher's international capabilities and cross-selling opportunities.