Arthur J Gallagher & Co is a global insurance brokerage and risk management firm founded in 1927 in the United States. It provides commercial insurance, reinsurance, and advisory services across multiple sectors. The company operates extensively in both the US and UK through subsidiaries that deliver brokerage, risk consulting, and compliance-focused services. The UK division is structured under Arthur J Gallagher (UK) Limited, incorporated in 1974 and regulated to provide non-life insurance activities. Gallagher’s international expansion reflects decades of acquisitions and market diversification, supporting its presence across major global insurance markets including North America and Europe. The organization is publicly traded under the ticker symbol AJG and maintains a network of offices spanning both the US and UK, contributing to its role as one of the industry’s major multinational brokers.
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