Aon plc vs MarketAxess
Side-by-side comparison of AI visibility scores, market position, and capabilities
Aon plc (AON) reported ~$15.7B revenue in FY2024. Global professional services firm providing risk, reinsurance, health, and human capital advisory. HQ: Dublin / London.
About
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.
New York electronic bond trading (NASDAQ: MKTX) $763M FY2024 revenue; Open Trading $2T+ liquidity, 40% US IG bond electronification, portfolio trading growth competing with Tradeweb and Bloomberg.
About
MarketAxess Holdings Inc. is a New York City-based electronic fixed income trading platform — publicly traded on the NASDAQ (NASDAQ: MKTX) as an S&P 500 Financials component — operating the leading electronic trading marketplace for US investment-grade corporate bonds, US high-yield bonds, emerging market bonds, municipal bonds, and US Treasury securities through approximately 850 employees globally. In fiscal year 2024, MarketAxess reported revenues of $763 million with record trading volumes in US investment-grade bonds and emerging market credit, as the multi-year electronification trend in bond markets continued to shift institutional fixed income trading from voice broker-dealer phone execution to electronic all-to-all trading on MarketAxess's Open Trading marketplace. CEO Chris Concannon (joined 2023, formerly Cboe Global Markets president) leads MarketAxess's strategy of expanding market share beyond the institutional investment-grade core into rate products (US Treasuries, agency securities), high-yield, and portfolio trading as fixed income electronification accelerates — currently approximately 40% of US investment-grade bonds trade electronically versus 15% in 2015. MarketAxess's Open Trading protocol (anonymous all-to-all price discovery between buy-side, sell-side, and market makers) generated over $2 trillion in liquidity provision in 2024, reducing transaction costs versus bilateral dealer quotes by an average of $0.28 per $100 face value.
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