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Aon plc (AON) Fundamental Analysis & AI Grade 2026

AON NYSE Insurance Agents, Brokers & Service L2 CIK: 0000315293
Update Pending • Analysis: May 6, 2026 • SEC Data: 2026-03-31
Combined AI Grade
A
78% Confidence
STRONG AGREEMENT
A
76% Conf
A
79% Conf

📊 AON Key Takeaways

Revenue: $5.0B
Net Margin: 24.1%
Free Cash Flow: $363.0M
Current Ratio: 1.07x
Debt/Equity: 1.38x
EPS: $5.63
AI Grade: A with 76% confidence
Aon plc (AON) receives a A fundamental grade with 78% confidence from our AI analysis based on SEC 10-K filings. With revenue of $5.0B, net profit margin of 24.1%, and return on equity (ROE) of 12.3%, Aon plc demonstrates strong fundamentals in the Finance sector. Below is our complete AON stock analysis for 2026.

Is Aon plc (AON) a Good Investment?

Claude

Aon exhibits strong fundamentals with exceptional 34.1% operating margins and 9.4% revenue growth, supported by 36.3% EPS expansion and excellent 11.9x interest coverage. However, tight liquidity (1.07x current ratio) and modest free cash flow conversion (7.2%) require monitoring.

ChatGPT

Aon shows high-quality fundamentals with strong operating and net margins, solid revenue growth, and robust free cash flow generation. Financial health appears sound despite elevated leverage, supported by strong interest coverage and adequate liquidity. The main watchpoint is that net income declined slightly while EPS rose sharply, suggesting per-share growth may be benefiting from capital allocation more than underlying earnings expansion.

Aon plc Key Strengths (AON)

Claude
  • + Exceptional operating margin of 34.1% demonstrates superior pricing power and operational efficiency in insurance brokerage
  • + Strong EPS growth of 36.3% YoY significantly outpacing 9.4% revenue growth indicates operational leverage
  • + Excellent interest coverage ratio of 11.9x with manageable debt-to-equity of 1.38x provides financial stability
  • + Consistent free cash flow generation of $363M supports reinvestment and shareholder distributions
ChatGPT
  • + Strong profitability with 25.3% operating margin and 21.5% net margin
  • + Healthy cash generation with $3.22B in free cash flow and an 18.7% FCF margin
  • + Manageable debt burden relative to earnings, with 30.2x interest coverage and solid liquidity

AON Stock Risks: Aon plc Investment Risks

Claude
  • ! Tight current ratio of 1.07x provides limited liquidity cushion for operational disruptions
  • ! Moderate leverage with $13.5B long-term debt and $1.2B cash position limits financial flexibility
  • ! Low free cash flow margin of 7.2% indicates capital-intensive operations relative to profitability
ChatGPT
  • ! Leverage is meaningful, with $15.25B in long-term debt and 1.63x debt-to-equity
  • ! Net income declined 1.5% YoY despite revenue growth, indicating some margin or cost pressure
  • ! ROE of 39.5% is strong but likely amplified by leverage, which can overstate underlying capital efficiency

Key Metrics to Watch

Claude
  • * Operating cash flow sustainability and free cash flow margin expansion
  • * Current ratio and working capital trends indicating liquidity health
  • * Debt service coverage and leverage trajectory under various economic scenarios
ChatGPT
  • * Net income growth relative to EPS growth
  • * Free cash flow conversion and debt levels

Aon plc (AON) Financial Metrics & Key Ratios

Revenue
$5.0B
Net Income
$1.2B
EPS (Diluted)
$5.63
Free Cash Flow
$363.0M
Total Assets
$51.4B
Cash Position
$1.2B

💡 AI Analyst Insight

Aon plc presents a mixed fundamental picture. Review the detailed metrics above to form your own investment thesis.

AON Profit Margin, ROE & Profitability Analysis

Gross Margin N/A
Operating Margin 34.1%
Net Margin 24.1%
ROE 12.3%
ROA 2.4%
FCF Margin 7.2%

AON vs Finance Sector: How Aon plc Compares

How Aon plc compares to Finance sector averages

Net Margin
AON 24.1%
vs
Sector Avg 25.0%
AON Sector
ROE
AON 12.3%
vs
Sector Avg 12.0%
AON Sector
Current Ratio
AON 1.1x
vs
Sector Avg 1.2x
AON Sector
Debt/Equity
AON 1.4x
vs
Sector Avg 2.0x
AON Sector

Sector benchmarks are approximate industry averages. Actual sector performance may vary.

Is Aon plc Stock Overvalued? AON Valuation Analysis 2026

Based on fundamental analysis, Aon plc has mixed fundamental signals relative to the Finance sector in 2026.

Return on Equity
12.3%
Sector avg: 12%
Net Profit Margin
24.1%
Sector avg: 25%
Revenue Growth
N/A
Year-over-year
Debt/Equity
1.38x
Sector avg: 2x

Note: This is a fundamental analysis based on SEC filings. For P/E ratio, price targets, and market-based valuation, consult financial data providers. This is not investment advice.

Aon plc Balance Sheet: AON Debt, Cash & Liquidity

Current Ratio
1.07x
Quick Ratio
1.07x
Debt/Equity
1.38x
Debt/Assets
80.6%
Interest Coverage
11.91x
Long-term Debt
$13.5B

AON Revenue & Earnings Growth: 5-Year Financial Trend

AON 5-year financial data: Year 2021: Revenue $12.2B, Net Income $1.5B, EPS $6.37. Year 2022: Revenue $12.5B, Net Income $2.0B, EPS $8.45. Year 2023: Revenue $13.4B, Net Income $1.3B, EPS $5.55. Year 2024: Revenue $15.7B, Net Income $2.6B, EPS $12.14. Year 2025: Revenue $17.2B, Net Income $2.6B, EPS $12.51.
Revenue
Net Income
EPS (right axis)

5-Year Trend Summary: Aon plc's revenue has grown significantly by 41% over the 5-year period, indicating strong business expansion. The most recent EPS of $12.51 reflects profitable operations.

AON Revenue Growth, EPS Growth & YoY Performance

Revenue Growth
N/A
Year-over-year
Net Income Growth
N/A
Year-over-year
EPS Growth
N/A
Earnings per share
FCF Margin
7.2%
Free cash flow / Revenue

AON Quarterly Earnings & Performance

Quarterly financial performance data for Aon plc including revenue, net income, and earnings per share.
Quarter Revenue Net Income EPS
Q1 2026 $4.7B $965.0M $4.43
Q3 2025 $3.7B $343.0M $1.57
Q2 2025 $3.8B $524.0M $2.46
Q1 2025 $4.1B $965.0M $4.43
Q3 2024 $3.0B $343.0M $1.57
Q2 2024 $3.2B $524.0M $2.46
Q1 2024 $3.9B $1.1B $5.07
Q3 2023 $2.7B $408.0M $1.92

Data sourced from SEC EDGAR 10-Q quarterly filings. Figures may represent quarterly or cumulative values.

Aon plc Dividends, Buybacks & Capital Allocation

Operating Cash Flow
$430.0M
Cash generated from operations
Stock Buybacks
$500.0M
Shares repurchased (TTM)
Capital Expenditures
$67.0M
Investment in assets
Dividends Paid
$162.0M
Returned to shareholders

AON SEC Filings: Latest 10-K & 10-Q Analysis

Access official SEC EDGAR filings for Aon plc (CIK: 0000315293)

📋 Recent SEC Filings

Date Form Document Action
May 14, 2026 4 xslF345X06/ownership.xml View →
May 1, 2026 10-Q aon-20260331.htm View →
May 1, 2026 8-K aon-20260501.htm View →
Apr 28, 2026 DEF 14A aon-20260428.htm View →
Mar 17, 2026 4 xslF345X05/ownership.xml View →

Frequently Asked Questions about AON

What is the AI rating for AON?

Aon plc (AON) has a Combined AI Grade of A from Claude (A) and ChatGPT (A) with 78% combined confidence, based on fundamental analysis of SEC EDGAR filings.

What are AON's key strengths?

Claude: Exceptional operating margin of 34.1% demonstrates superior pricing power and operational efficiency in insurance brokerage. Strong EPS growth of 36.3% YoY significantly outpacing 9.4% revenue growth indicates operational leverage. ChatGPT: Strong profitability with 25.3% operating margin and 21.5% net margin. Healthy cash generation with $3.22B in free cash flow and an 18.7% FCF margin.

What are the risks of investing in AON?

Claude: Tight current ratio of 1.07x provides limited liquidity cushion for operational disruptions. Moderate leverage with $13.5B long-term debt and $1.2B cash position limits financial flexibility. ChatGPT: Leverage is meaningful, with $15.25B in long-term debt and 1.63x debt-to-equity. Net income declined 1.5% YoY despite revenue growth, indicating some margin or cost pressure.

What is AON's revenue and growth?

Aon plc reported revenue of $5.0B.

Does AON pay dividends?

Aon plc pays dividends, with $162.0M distributed to shareholders in the trailing twelve months.

Where can I find AON SEC filings?

Official SEC filings for Aon plc (CIK: 0000315293) including 10-K, 10-Q, and 8-K reports are available on SEC EDGAR.

What is AON's EPS?

Aon plc has a diluted EPS of $5.63.

How is the AI analysis conducted?

Two independent AI systems — Claude (Anthropic) and ChatGPT (OpenAI) — analyze SEC EDGAR filings including 10-K annual reports and 10-Q quarterly reports. Each AI evaluates financial health, profitability ratios, balance sheet strength, and growth metrics. The combined grade reflects both perspectives for balanced insights.

What is AON's fundamental grade?

Based on our AI fundamental analysis in June 2026, Aon plc has a A grade with 78% confidence. The AI analysis suggests favorable fundamentals based on SEC filings. This is not investment advice.

Is AON stock overvalued or undervalued?

Valuation metrics for AON: ROE of 12.3% (sector avg: 12%), net margin of 24.1% (sector avg: 25%). Higher ROE suggests strong returns relative to peers.

What is AON's AI grade for 2026?

Our dual AI analysis gives Aon plc a combined A grade for 2026. Revenue is data pending, with profitability at or below sector average. Always conduct your own research.

What is AON's free cash flow?

Aon plc's operating cash flow is $430.0M, with capital expenditures of $67.0M. FCF margin is 7.2%.

How does AON compare to other Finance stocks?

Vs Finance sector averages: Net margin 24.1% (avg: 25%), ROE 12.3% (avg: 12%), current ratio 1.07 (avg: 1.2).

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Disclaimer: This analysis is generated by Claude AI (Anthropic) and ChatGPT (OpenAI) based on publicly available SEC EDGAR filings. It does not include stock price data and should not be considered financial advice. All fundamental data is sourced from SEC public domain filings. Always conduct your own research and consult with a qualified financial advisor before making investment decisions.
Data Source: SEC EDGAR | Analysis Date: May 6, 2026 | Data as of: 2026-03-31 | Powered by Claude AI