Aon PLC (AON)vsSun Life Financial Inc. (SLF)
AON
Aon PLC
$377.16
-1.08%
FINANCIAL SERVICES · Cap: $76.76B
SLF
Sun Life Financial Inc.
$82.27
-2.14%
FINANCIAL SERVICES · Cap: $46.60B
Smart Verdict
WallStSmart Research — data-driven comparison
Sun Life Financial Inc. generates 100% more annual revenue ($34.90B vs $17.49B). AON leads profitability with a 22.5% profit margin vs 8.8%. SLF appears more attractively valued with a PEG of 1.58. AON earns a higher WallStSmart Score of 66/100 (B-).
AON
Strong Buy66
out of 100
Grade: B-
SLF
Hold49
out of 100
Grade: D+
Key Strengths & Concerns
Side-by-side fundamental analysis
Key Strengths
Every $100 of equity generates 40 in profit
Strong operational efficiency at 35.8%
Large-cap with strong market position
Keeps 23 of every $100 in revenue as profit
Earnings expanding 27.1% YoY
Reasonable price relative to book value
Generating 4.1B in free cash flow
Areas to Watch
Trading at 8.2x book value
Elevated debt levels
Expensive relative to growth rate
Distress zone — elevated risk
Expensive relative to growth rate
0.2% revenue growth
Earnings declined 48.4%
Comparative Analysis Report
WallStSmart ResearchBull 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 : SLF
The strongest argument for SLF centers on Price/Book, Free Cash Flow.
Bear Case : AON
The primary concerns for AON are Price/Book, Debt/Equity, PEG Ratio. Debt-to-equity of 1.57 is elevated, increasing financial risk.
Bear Case : SLF
The primary concerns for SLF are PEG Ratio, Revenue Growth, EPS Growth.
Key Dynamics to Monitor
AON profiles as a mature stock while SLF is a value play — different risk/reward profiles.
SLF carries more volatility with a beta of 0.82 — expect wider price swings.
AON is growing revenue faster at 6.5% — sustainability is the question.
SLF generates stronger free cash flow (4.1B), providing more financial flexibility.
Bottom Line
AON scores higher overall (66/100 vs 49/100), backed by strong 22.5% margins. Both earn "Strong Buy" and "Hold" 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.
Sun Life Financial Inc.
FINANCIAL SERVICES · INSURANCE - DIVERSIFIED · USA
Sun Life Financial Inc., a financial services company, provides insurance, wealth and asset management solutions to individuals and corporate clients around the world. The company is headquartered in Toronto, Canada.
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