Verified peer comparison

MMC vs AON

Marsh & McLennan Companies, Inc. compared with Aon plc. This page compares both source-verified company profiles and does not introduce an unverified price target.

MMC

Marsh & McLennan Companies, Inc.

$189.43

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High: --
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Market Cap: --

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AON

Aon plc

$189.43

Open: --
High: --
Low: --
Market Cap: --

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Company-specific comparison

Business exposure

MMC: Insurance Brokers

AON: Insurance Brokers

Upside lens

MMC: Complex risk and insurance markets can sustain demand for placement and advice. Acquired middle-market capabilities can broaden distribution and client reach. Benefits, talent and strategy work can diversify recurring client revenue.

AON: Complex cyber, climate and geopolitical risks can support brokerage and advice. Integrated analytics can improve client outcomes and deepen recurring relationships. NFP can expand middle-market distribution and cross-selling opportunities.

Risk lens

MMC: Large acquisitions can create cost, retention and systems-integration risk. Softer pricing can slow brokerage revenue growth despite stable retention. Economic weakness can delay project-based consulting demand.

AON: Retention, systems and synergy execution can fall short after acquisitions. A softer commercial market can slow commission growth. Advice errors, litigation or cyber incidents can create financial and reputational costs.