Marsh McLennan vs Apollo Global Management
Side-by-side comparison of AI visibility scores, market position, and capabilities
World's largest insurance broker network (Marsh, Guy Carpenter, Mercer, Oliver Wyman); $23.4B FY2024 revenue; hard market tailwind 2019-2024; cyber insurance leader; competes with Aon, Willis Towers Watson.
About
Marsh McLennan is the world's leading professional services firm in risk, strategy, and human resources, formed through the merger of Marsh & McLennan Companies and operating four market-leading subsidiaries: Marsh (global insurance broker and risk management advisor), Guy Carpenter (global reinsurance broker), Mercer (human resources and employee benefits consulting), and Oliver Wyman (management consulting). Headquartered in New York City and trading on NYSE (MMC), the company generated approximately $23.4 billion in revenues for FY2024 under CEO John Doyle, who succeeded longtime CEO Dan Glaser in 2022 and has maintained the firm's organic growth momentum and selective acquisition strategy. Marsh, the flagship insurance brokerage, is the world's largest insurance broker by revenue, advising corporations globally on risk placement, captive insurance programs, and risk management strategies across property, casualty, marine, and specialty lines.
Alternative asset manager with $733B AUM; Athene insurance integration (~$350B liabilities) defines insurance-to-alternatives model; 70% credit AUM makes Apollo world's largest private credit manager.
About
Apollo Global Management is one of the world's largest alternative asset managers, founded in 1990 by Leon Black, Marc Rowan, and Josh Harris in New York City, where it remains headquartered and trades on NYSE (APO). The company managed approximately $733 billion in assets under management as of late 2024 under CEO Marc Rowan, who assumed leadership in 2021 following Leon Black's departure amid controversy over his personal relationship with Jeffrey Epstein. Apollo generated approximately $14.8 billion in total revenues for FY2024, spanning private equity, credit (the dominant segment), and real assets, with the company's defining strategic differentiator being its fully integrated insurance platform through Athene Holding—the fixed annuity and retirement services company Apollo merged into a fully owned subsidiary in 2022 after originally creating Athene in 2009 as a vehicle to deploy insurance liabilities into Apollo-managed alternative credit strategies.
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