WallStSmart

Aon PLC (AON)vsBrown & Brown Inc (BRO)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Aon PLC generates 164% more annual revenue ($17.58B vs $6.66B). AON leads profitability with a 22.3% profit margin vs 18.1%. BRO appears more attractively valued with a PEG of 1.51. BRO earns a higher WallStSmart Score of 75/100 (B).

AON

Buy

54

out of 100

Grade: C-

Growth: 4.7Profit: 8.0Value: 4.3Quality: 4.5
Piotroski: 6/9Altman Z: 0.82

BRO

Strong Buy

75

out of 100

Grade: B

Growth: 8.0Profit: 7.5Value: 5.0Quality: 4.5
Piotroski: 2/9Altman Z: 1.15

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

AON4 strengths · Avg: 9.0/10
Return on EquityProfitability
40.1%10/10

Every $100 of equity generates 40 in profit

Market CapQuality
$75.65B9/10

Large-cap with strong market position

Profit MarginProfitability
22.3%9/10

Keeps 22 of every $100 in revenue as profit

Operating MarginProfitability
23.5%8/10

Strong operational efficiency at 23.5%

BRO3 strengths · Avg: 9.3/10
Operating MarginProfitability
41.8%10/10

Strong operational efficiency at 41.8%

Revenue GrowthGrowth
32.4%10/10

Revenue surging 32.4% year-over-year

Price/BookValuation
1.9x8/10

Reasonable price relative to book value

Areas to Watch

AON4 concerns · Avg: 2.8/10
Revenue GrowthGrowth
2.2%4/10

2.2% revenue growth

Debt/EquityHealth
1.573/10

Elevated debt levels

PEG RatioValuation
3.072/10

Expensive relative to growth rate

EPS GrowthGrowth
-3.0%2/10

Earnings declined 3.0%

BRO3 concerns · Avg: 3.0/10
PEG RatioValuation
1.514/10

Expensive relative to growth rate

Piotroski F-ScoreQuality
2/93/10

Weak financial health signals

Altman Z-ScoreHealth
1.152/10

Distress zone — elevated risk

Comparative Analysis Report

WallStSmart Research

Bull Case : AON

The strongest argument for AON centers on Return on Equity, Market Cap, Profit Margin. Profitability is solid with margins at 22.3% and operating margin at 23.5%.

Bull Case : BRO

The strongest argument for BRO centers on Operating Margin, Revenue Growth, Price/Book. Profitability is solid with margins at 18.1% and operating margin at 41.8%. Revenue growth of 32.4% demonstrates continued momentum.

Bear Case : AON

The primary concerns for AON are Revenue Growth, Debt/Equity, PEG Ratio. Debt-to-equity of 1.57 is elevated, increasing financial risk.

Bear Case : BRO

The primary concerns for BRO are PEG Ratio, Piotroski F-Score, Altman Z-Score.

Key Dynamics to Monitor

AON profiles as a value stock while BRO is a growth play — different risk/reward profiles.

AON carries more volatility with a beta of 0.68 — expect wider price swings.

BRO is growing revenue faster at 32.4% — sustainability is the question.

AON generates stronger free cash flow (363M), providing more financial flexibility.

Bottom Line

BRO scores higher overall (75/100 vs 54/100), backed by strong 18.1% margins and 32.4% revenue growth. Both earn "Strong Buy" and "Buy" ratings respectively — the choice depends on your investment horizon and risk tolerance.

This analysis is generated from publicly available financial data. Not financial advice.

Aon PLC

FINANCIAL SERVICES · INSURANCE BROKERS · USA

Aon plc is a multinational professional services firm that sells a range of financial risk-mitigation products, including insurance, pension administration, and health-insurance plans.

Brown & Brown Inc

FINANCIAL SERVICES · INSURANCE BROKERS · USA

Brown & Brown, Inc. markets and sells insurance products and services in the United States, Bermuda, Canada, the Cayman Islands, Ireland, and the United Kingdom. The company is headquartered in Daytona Beach, Florida.

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