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Dublin, Ireland-based Aon plc (AON) is a professional services firm that provides a range of risk and human capital solutions. Valued at a market cap of $80.5 billion, the company offers insurance and reinsurance brokerage, pension administration, healthcare consulting, and workforce management services.
Companies valued at $10 billion or more are typically classified as “large-cap stocks,” and AON fits the label perfectly. The company's strength lies in its global scale, deep expertise in risk management, and strong client relationships across industries. By combining advanced analytics with decades of experience, AON helps organizations manage risk more effectively, protect assets, and enhance workforce resilience, making it a trusted partner in navigating complex global challenges.