Aon PLC (AON)vsBrown & Brown Inc (BRO)
AON
Aon PLC
$327.03
+0.33%
FINANCIAL SERVICES · Cap: $69.09B
BRO
Brown & Brown Inc
$66.50
-0.33%
FINANCIAL SERVICES · Cap: $22.89B
Smart Verdict
WallStSmart Research — data-driven comparison
Aon PLC generates 198% more annual revenue ($17.18B vs $5.76B). AON leads profitability with a 21.5% profit margin vs 18.3%. BRO appears more attractively valued with a PEG of 1.51. BRO earns a higher WallStSmart Score of 69/100 (B-).
AON
Strong Buy68
out of 100
Grade: B-
BRO
Strong Buy69
out of 100
Grade: B-
Intrinsic Value Comparison
Multi-model valuation · Graham Formula
Margin of Safety
+61.0%
Fair Value
$795.60
Current Price
$327.03
$468.57 discount
Margin of Safety
-210.0%
Fair Value
$21.62
Current Price
$66.50
$44.88 premium
Key Strengths & Concerns
Side-by-side fundamental analysis
Key Strengths
Every $100 of equity generates 47 in profit
Strong operational efficiency at 31.4%
Earnings expanding 138.3% YoY
Large-cap with strong market position
Keeps 22 of every $100 in revenue as profit
Generating 1.3B in free cash flow
Revenue surging 36.2% year-over-year
Reasonable price relative to book value
Strong operational efficiency at 23.2%
Areas to Watch
3.7% revenue growth
Expensive relative to growth rate
Distress zone — elevated risk
Expensive relative to growth rate
Weak financial health signals
Earnings declined 16.2%
Comparative Analysis Report
WallStSmart ResearchBull Case : AON
The strongest argument for AON centers on Return on Equity, Operating Margin, EPS Growth. Profitability is solid with margins at 21.5% and operating margin at 31.4%.
Bull Case : BRO
The strongest argument for BRO centers on Revenue Growth, Price/Book, Operating Margin. Profitability is solid with margins at 18.3% and operating margin at 23.2%. Revenue growth of 36.2% demonstrates continued momentum.
Bear Case : AON
The primary concerns for AON are Revenue Growth, 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 value stock while BRO is a growth play — different risk/reward profiles.
AON carries more volatility with a beta of 0.83 — expect wider price swings.
BRO is growing revenue faster at 36.2% — sustainability is the question.
AON generates stronger free cash flow (1.3B), providing more financial flexibility.
Bottom Line
BRO scores higher overall (69/100 vs 68/100), backed by strong 18.3% margins and 36.2% revenue growth. AON offers better value entry with a 61.0% margin of safety. 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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