AON

Aon plc

Financial Services · in the S&P 500

📍 London, United Kingdom · See it on the company map

The shape of the figures

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Key figures, against the S&P 500

Figures as of 9 Nov 2026, refreshed weekly

Each bar places this company among the S&P 500 companies that report that figure. Further right means a higher figure — not a better one. Whether higher or lower suits you depends on what you are looking for, so the bars don't add up to a score.

Valuation

P/E ratio?

18.2x

The share price is 18.2 times the last twelve months' earnings per share.

lowesthigher than 33% of the S&P 500highest

P/E on average earnings?

24.6x

The share price is 24.6 times earnings per share averaged over recent years.

lowesthigher than 36% of the S&P 500highest

Price / book

7.0x

The market values the company at 7 times the accounting value of its equity.

lowesthigher than 74% of the S&P 500highest

EV / EBIT?

15.2x

The company's value including its debt is 15.2 times its operating profit.

lowesthigher than 20% of the S&P 500highest

Free cash flow yield?

6.2%

Free cash flow equals 6.2% of the company's market value.

lowesthigher than 76% of the S&P 500highest

Profitability

Return on equity?

43.4%

Each 100 of shareholders' money produced 43.4 of net profit.

lowesthigher than 84% of the S&P 500highest

Return on assets?

5.5%

Each 100 of assets produced 5.5 of net profit.

lowesthigher than 47% of the S&P 500highest

Return on invested capital

17.9%

Each 100 invested by lenders and owners produced 17.9 of profit.

lowesthigher than 73% of the S&P 500highest

Operating margin?

32.4%

Of every 100 in sales, 32.4 was left as operating profit.

lowesthigher than 82% of the S&P 500highest

Debt

Debt / equity?

283.3%

Total debt equals 283% of shareholders' equity.

lowesthigher than 93% of the S&P 500highest

Net debt / EBITDA?

2.3x

Net debt equals 2.3 years of operating earnings (EBITDA).

lowesthigher than 60% of the S&P 500highest

Interest cover

6.8x

Operating profit was 6.8 times the interest bill.

lowesthigher than 46% of the S&P 500highest

Growth

Revenue growth

24.0%

Latest revenue is 24% above the average of earlier reported years.

lowesthigher than 78% of the S&P 500highest

Earnings growth

42.0%

Latest net profit is 42% above the average of earlier reported years.

lowesthigher than 74% of the S&P 500highest

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