WallStSmart

Arthur J Gallagher & Co (AJG)vsAon PLC (AON)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Aon PLC generates 16% more annual revenue ($17.58B vs $15.11B). AON leads profitability with a 22.3% profit margin vs 10.4%. AJG appears more attractively valued with a PEG of 0.82. AJG earns a higher WallStSmart Score of 62/100 (C+).

AJG

Buy

62

out of 100

Grade: C+

Growth: 6.7Profit: 5.5Value: 5.7Quality: 5.5
Piotroski: 4/9Altman Z: 0.76

AON

Buy

54

out of 100

Grade: C-

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

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

AJG5 strengths · Avg: 9.0/10
Revenue GrowthGrowth
31.0%10/10

Revenue surging 31.0% year-over-year

Debt/EquityHealth
0.0510/10

Conservative balance sheet, low leverage

Market CapQuality
$64.35B9/10

Large-cap with strong market position

PEG RatioValuation
0.828/10

Growing faster than its price suggests

Price/BookValuation
2.7x8/10

Reasonable price relative to book value

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%

Areas to Watch

AJG4 concerns · Avg: 2.3/10
Return on EquityProfitability
6.8%3/10

ROE of 6.8% — below average capital efficiency

P/E RatioValuation
41.6x2/10

Premium valuation, high expectations priced in

EPS GrowthGrowth
-10.7%2/10

Earnings declined 10.7%

Altman Z-ScoreHealth
0.762/10

Distress zone — elevated risk

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%

Comparative Analysis Report

WallStSmart Research

Bull Case : AJG

The strongest argument for AJG centers on Revenue Growth, Debt/Equity, Market Cap. Revenue growth of 31.0% demonstrates continued momentum. PEG of 0.82 suggests the stock is reasonably priced for its growth.

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%.

Bear Case : AJG

The primary concerns for AJG are Return on Equity, P/E Ratio, EPS Growth. A P/E of 41.6x leaves little room for execution misses.

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.

Key Dynamics to Monitor

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

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

AJG is growing revenue faster at 31.0% — sustainability is the question.

AJG generates stronger free cash flow (921M), providing more financial flexibility.

Bottom Line

AJG scores higher overall (62/100 vs 54/100) and 31.0% revenue growth. Both earn "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.

Arthur J Gallagher & Co

FINANCIAL SERVICES · INSURANCE BROKERS · USA

Arthur J. Gallagher & Co. (AJG) is an American global insurance brokerage and risk management services firm headquartered in Rolling Meadows, Illinois.

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.

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