WallStSmart

Aon PLC (AON)vsWillis Towers Watson PLC (WTW)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Aon PLC generates 77% more annual revenue ($17.49B vs $9.90B). AON leads profitability with a 22.5% profit margin vs 16.8%. WTW appears more attractively valued with a PEG of 1.08. WTW earns a higher WallStSmart Score of 74/100 (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

WTW

Strong Buy

74

out of 100

Grade: B

Growth: 6.7Profit: 7.5Value: 6.3Quality: 4.3
Piotroski: 4/9Altman Z: 0.91

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

WTW4 strengths · Avg: 8.3/10
Return on EquityProfitability
20.6%9/10

Every $100 of equity generates 21 in profit

P/E RatioValuation
14.8x8/10

Attractively priced relative to earnings

Operating MarginProfitability
20.5%8/10

Strong operational efficiency at 20.5%

EPS GrowthGrowth
33.0%8/10

Earnings expanding 33.0% YoY

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

WTW2 concerns · Avg: 2.0/10
Free Cash FlowQuality
$-65.00M2/10

Negative free cash flow — burning cash

Altman Z-ScoreHealth
0.912/10

Distress zone — elevated risk

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 : WTW

The strongest argument for WTW centers on Return on Equity, P/E Ratio, Operating Margin. Profitability is solid with margins at 16.8% and operating margin at 20.5%. PEG of 1.08 suggests the stock is reasonably priced for its growth.

Bear Case : AON

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

Bear Case : WTW

The primary concerns for WTW are Free Cash Flow, Altman Z-Score.

Key Dynamics to Monitor

AON carries more volatility with a beta of 0.71 — expect wider price swings.

WTW is growing revenue faster at 8.5% — sustainability is the question.

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

Monitor INSURANCE BROKERS industry trends, competitive dynamics, and regulatory changes.

Bottom Line

WTW scores higher overall (74/100 vs 70/100), backed by strong 16.8% margins. 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.

Willis Towers Watson PLC

FINANCIAL SERVICES · INSURANCE BROKERS · USA

Willis Towers Watson PLC (WTW) is a premier global advisory, broking, and solutions firm specializing in risk management, insurance, and consulting services. Operating in over 140 countries, WTW combines advanced data analytics and innovative technology to provide customized solutions in critical areas such as health, retirement, and talent management. Serving a wide array of clients from multinational corporations to smaller businesses, WTW is committed to driving sustainable growth and enhancing client engagement, positioning itself as a trusted advisor in a complex and rapidly changing market environment. Its strategic initiatives aim to address the evolving needs of clients, solidifying its role as a leader in the industry.

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