Aon plc(AON)

Leader

Aon plc (AON) reported ~$15.7B revenue in FY2024. Global professional services firm providing risk, reinsurance, health, and human capital advisory. HQ: Dublin / London.

Insurance Brokerage
AON
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Company Overview

About Aon plc

Aon plc is one of the world's largest professional services firms focused on risk, reinsurance, retirement, and health solutions. Founded in 1982 and headquartered in Dublin, Aon operates across more than 120 countries, employing approximately 60,000 professionals who advise clients on managing complex risks and optimizing their human capital strategies. The company's core offering is insurance brokerage and risk advisory — Aon acts as an intermediary between corporations and insurers, placing coverage and advising on risk management programs.

Business Model & Competitive Advantage

Aon generated approximately $15.7 billion in revenue in FY2024, with organic revenue growth driven by strong demand for specialty risk placements, reinsurance brokerage through Aon Re, and health benefits consulting. The company's 3x3 Plan — three priorities across three segments — targets double-digit free cash flow growth through operational efficiency, cross-selling the full suite across Commercial Risk, Reinsurance, Health, and Wealth segments. Aon's scale gives it negotiating leverage with insurers and access to specialized capacity for hard-to-place risks.

Competitive Landscape 2025–2026

Aon's aborted $30 billion merger with Willis Towers Watson (abandoned in 2021) underscored how consolidation pressure is reshaping the insurance brokerage industry. Aon has since focused on organic growth and bolt-on acquisitions, including the 2023 acquisition of NFP, a leading middle-market broker, for $13.4 billion. The NFP acquisition significantly expands Aon's presence in the U.S. middle market and adds benefits administration capabilities.

Revenue
$15700M
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Key Differentiators

Market Leader

Aon plc is recognized as a market leader in the Consumer Finance sector, demonstrating strong industry presence and customer trust.

Enterprise Scale

With $15700M in revenue, Aon plc operates at enterprise scale with proven market validation.

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