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Aon plc (AON), headquartered in Dublin, Ireland, is a global professional services firm providing a broad spectrum of risk, retirement, and health solutions with a market cap of $75.72 billion. Competing with other major firms like Marsh & McLennan Companies, Inc. (MMC), Aon focuses on data-driven insights, client-centric strategies, and a commitment to delivering exceptional advisory and brokerage services.
Companies valued at $10 billion or more are classified as "large-cap" stocks, and Aon plc is a prime example of this, underscoring its considerable scale, stability, and influence within the global professional services sector. As a leading provider of risk, retirement, and health solutions, Aon's size reflects its extensive global presence, strong market position, and commitment to delivering value-driven services to its diverse client base.