Arthur J. Gallagher & Co., a global insurance brokerage and risk management firm, has signed a definitive agreement to acquire AssuredPartners, one of the top insurance brokers in the United States. The transaction, which is subject to customary regulatory approvals, is expected to close in the first quarter of 2025. This strategic acquisition aligns with Gallagher’s growth objectives and will enhance its presence in the retail middle-market property/casualty and employee benefits sectors across the U.S., the UK, and Ireland. By joining forces, AssuredPartners brings significant scale, expertise, and talent to Gallagher’s operations, further strengthening its market position.
Founded in 2011 by GTCR in partnership with Jim Henderson, AssuredPartners has grown to serve a diverse range of clients in commercial property/casualty, employee benefits, and specialty insurance through its 400 offices worldwide. J. Patrick Gallagher, Jr., Chairman and CEO of Gallagher, highlighted the alignment of both companies’ entrepreneurial cultures and the shared vision to enhance client value and drive growth through combined resources. AssuredPartners CEO Randy Larsen and Chairman Jim Henderson expressed excitement about the merger, emphasizing the opportunities it brings for employees, clients, and partners. The transaction is also projected to deliver significant financial synergies, including double-digit adjusted EPS growth for Gallagher.



















