What sector does Aon plc belong to?

Aon plc operates in the Financials sector, specifically the Insurance Brokers industry, and is listed on the US markets.

What is the current share price of AON?

As of the latest available quote, AON traded at $302.69. This price is delayed and cached for about 15 minutes.

What is the P/E ratio of AON?

Aon plc has a price-to-earnings (P/E) ratio of about 16.70. The P/E ratio compares the share price to earnings per share and is most useful when compared with sector peers and the company's own history.

What is the market capitalisation of AON?

The market capitalisation of Aon plc is approximately $65.71B.

Is Aon plc profitable?

For its latest reported financial year, Aon plc recorded a net profit margin of about 21.51%.

Does AON pay a dividend?

Aon plc currently has a dividend yield of about 0.99%.

What is the return on equity (ROE) of AON?

Aon plc has a return on equity (ROE) of about 38.50%. ROE measures how much profit a company generates relative to shareholders' equity.

What is the 52-week high and low of AON?

Over the past 52 weeks, AON has traded between a low of $302.44 and a high of $382.34.

Aon plc

AON US Financials Insurance Brokers

S&P 500

$302.69

-1.65%

Delayed · cached 15 min

Fair value analysis

AON

Aon plc

$302.69

Close used for this calculation

$295.08Fair value

Financial DNA Score

Profitability · Returns · Balance Sheet · Efficiency · Growth

54/100

Profitability21/25

Returns13/25

Balance Sheet9/25

Efficiency11/25

Growth6/25

Good

Quality radar

Consensus fair value

$295.08

Near FV

▼ -2.5% against the close used

Model range $131.04 – $364.35

The lowest and highest of the models that produced a value. This is the spread of the methods, not a price target.

Price target range & 52-week position

Bear$131.04Fair value$295.08Bull$364.35

FairClose

52-week traded range

52W low $302.6952W high $381.26

The 52-week range is measured from the stored price history, not estimated.

Valuation summary

Trading close to the consensus fair value

Aon plc closed at $302.69, 2.6% above the consensus fair value of $295.08 drawn from 8 valuation models.

Financial DNA score 54/100 — Good. P/E of 17.8x against the 20x sector multiple the P/E model uses.

Quantitative summary only — not investment advice.

All valuation models

DCF Valuation

$294.22

-2.8%

Σ[CF×(1+g)^n/(1.10)^n] + TV/(1.10)^10

g=9%, r=10%, tg=3%, n=10yr

Graham Number

$131.04

-56.7%

√(22.5 × EPS × BVPS)

EPS=17.02, BVPS=44.84 · outside Graham range (P/E 17.8, P/B 6.8) — asset-light, treat as a rough floor

P/E Fair Value

$340.40

+12.5%

EPS × 20x (sector P/E)

EPS=17.02, Sector P/E=20x

Peter Lynch (PEG)

$212.75

-29.7%

EPS × Growth% (PEG = 1 is fair)

EPS=17.02, g=12.5%

EV/EBITDA

$274.49

-9.3%

(EBITDA × 16.3x − Net Debt) ÷ Shares

EBITDA=4.53B

Book Value (P/B)

$364.35

+20.4%

BVPS × (ROE−g)÷(r−g) [Justified P/B — RIM-based]

BVPS=44.84, ROE=38.5%, g=6%, r=10%

Reverse DCF

$302.69

+0.0%

Solve for g: Price = Σ[EPS×(1+g)^n/(1.10)^n] + TV

Implied: 5.6% | Historical: 12.5%

Margin of Safety

$191.42

-36.8%

Avg(DCF, Graham, P/E) × 75% (25% safety buffer)

Avg fair value=255.22, MoS=25%

Computed on September 12, 2026 from the most recent annual report on file and that day's closing price. Where a company has seen its earnings move sharply since its last annual report, this figure will lag the market.

Educational data only. Not a recommendation to buy, sell or hold any security.

Fair value analysis

Consensus fair value

Price target range & 52-week position

Valuation summary

All valuation models

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