WallStSmart

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

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Aon PLC generates 179% more annual revenue ($17.49B vs $6.26B). AON leads profitability with a 22.5% profit margin vs 18.4%. BRO appears more attractively valued with a PEG of 1.51. BRO earns a higher WallStSmart Score of 71/100 (B).

AON

Strong Buy

70

out of 100

Grade: B

Growth: 7.3Profit: 8.5Value: 5.7Quality: 4.3
Piotroski: 5/9Altman Z: 0.82

BRO

Strong Buy

71

out of 100

Grade: B

Growth: 6.7Profit: 7.5Value: 5.0Quality: 4.5
Piotroski: 2/9

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

AON6 strengths · Avg: 9.0/10
Return on EquityProfitability
46.5%10/10

Every $100 of equity generates 47 in profit

Operating MarginProfitability
35.8%10/10

Strong operational efficiency at 35.8%

Market CapQuality
$66.80B9/10

Large-cap with strong market position

Profit MarginProfitability
22.5%9/10

Keeps 23 of every $100 in revenue as profit

P/E RatioValuation
17.2x8/10

Attractively priced relative to earnings

EPS GrowthGrowth
27.1%8/10

Earnings expanding 27.1% YoY

BRO3 strengths · Avg: 9.3/10
Operating MarginProfitability
47.2%10/10

Strong operational efficiency at 47.2%

Revenue GrowthGrowth
35.7%10/10

Revenue surging 35.7% year-over-year

Price/BookValuation
1.5x8/10

Reasonable price relative to book value

Areas to Watch

AON2 concerns · Avg: 3.0/10
PEG RatioValuation
2.504/10

Expensive relative to growth rate

Altman Z-ScoreHealth
0.822/10

Distress zone — elevated risk

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

EPS GrowthGrowth
-7.9%2/10

Earnings declined 7.9%

Comparative Analysis Report

WallStSmart Research

Bull Case : AON

The strongest argument for AON centers on Return on Equity, Operating Margin, Market Cap. Profitability is solid with margins at 22.5% and operating margin at 35.8%.

Bull Case : BRO

The strongest argument for BRO centers on Operating Margin, Revenue Growth, Price/Book. Profitability is solid with margins at 18.4% and operating margin at 47.2%. Revenue growth of 35.7% demonstrates continued momentum.

Bear Case : AON

The primary concerns for AON are PEG Ratio, Altman Z-Score.

Bear Case : BRO

The primary concerns for BRO are PEG Ratio, Piotroski F-Score, EPS Growth.

Key Dynamics to Monitor

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

BRO carries more volatility with a beta of 0.83 — expect wider price swings.

BRO is growing revenue faster at 35.7% — sustainability is the question.

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

Bottom Line

BRO scores higher overall (71/100 vs 70/100), backed by strong 18.4% margins and 35.7% revenue growth. Both earn "Strong Buy" and "Strong 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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