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Aon plc

AON

Aon thrives by helping large organizations navigate risk in an increasingly uncertain world.

Because the world is not getting simpler, and Aon gets paid every time risk needs managing.

Editor in Chief: Mehdi Zare, CFAUpdated Mar 8, 2026MethodologyScoringGlossary

Business Model

Advisory plus brokerage

Aon advises companies on risk and then places insurance policies with carriers for a commission or fee.

Economic Engine

High-margin fee revenue

With operating margins of 25.3 percent and low capital needs, much of its revenue turns into profit.

Long-Term Lens

Complexity tailwind

The key question is whether global risk keeps rising faster than pricing pressure and competition.

BinaPrint Snapshot

Style

67
HarvestBuild

Build

Fitness

90
StressedStrong

Strong

Updated Mar 8, 2026

On this page

Company Story

How do Aon plc's business model and economics hold up on a closer read?

Start with the business itself, then go one layer deeper into the model, the economics, and the long-term case.

Aon is a high-margin, cash-generating risk advisor with durable corporate relationships that could compound steadily for decades as the world gets more complex.

Mehdi Zare, CFA, Bina Capital

What does Aon plc actually do?

Aon helps companies understand their risks and buy the right insurance and financial protection.

  • Advises corporations on property, casualty, cyber, and other insurance needs
  • Helps manage employee benefits and health programs
  • Provides consulting on retirement plans and pension risk

Why it matters

Risk is unavoidable

Every large company faces legal, climate, cyber, and workforce risks, and they need expert help to navigate them.

How does Aon plc make money?

Aon earns fees and commissions when it advises clients and places insurance policies with carriers.

  • Takes a percentage commission on insurance premiums it places
  • Charges consulting fees for benefits and retirement advisory
  • Builds long-term contracts with large corporate clients

Economic clue

Strong margins

A 47.7 percent gross margin and 25.3 percent operating margin show pricing power and efficient operations.

Why do long-term investors keep Aon plc on the radar?

Aon sits at the center of global risk flows, earning steady fees as the world becomes more complex.

  • Revenue has grown about 9.0 percent per year on average over five years
  • Earnings per share have grown about 32.3 percent per year on average over five years
  • Margins have been expanding, improving profitability over time

Investor takeaway

Compounding machine

Consistent revenue growth plus expanding margins can drive powerful long-term earnings growth.

Based on company financial statements.

What Could Change The Story

  • Proved it would move the profile toward Venture.
  • Matured would move the profile toward Vault.

Benchmark Comparison

How has Aon plc performed against common long-term benchmarks?

Once the business case is clear, compare the stock against broad market and alternative long-term baselines.

$1,000 baseline
AON

$1,463

+46.3% total return

+$463.31 vs. starting value
S&P 500

$1,753

+75.3% total return

+$752.68 vs. starting value
Gold

$2,975

+197.5% total return

+$1,975 vs. starting value
Bitcoin

$1,393

+39.3% total return

+$392.53 vs. starting value
Aon plc benchmark comparison — 5y period
AssetTotal ReturnDollar Value
AON+46.3%$1,463
S&P 500+75.3%$1,753
Gold+197.5%$2,975
Bitcoin+39.3%$1,393

From Mar 5, 2021 to Mar 6, 2026. Historical price data based on company financial statements and market indices. Each card uses the same starting amount so the comparison stays apples-to-apples.

Investor Fit

How a first-time investor could frame Aon plc

Before going deeper, decide what kind of business this is, what it tends to suit, and what deserves monitoring over time.

This Can Fit If You Want

  • A steady compounder tied to global economic activity
  • A high-margin service business with low capital intensity
  • Exposure to long-term growth in risk management and insurance demand

Be Careful If You Expect

  • Rapid double-digit revenue growth every year
  • A high dividend payout, since it currently pays no dividend
  • Immunity from insurance pricing cycles

What To Watch Over Time

  • Whether revenue keeps growing around high single digits over many years
  • If operating margins stay above 25 percent or begin to compress
  • How management uses cash, especially buybacks versus acquisitions

BinaPrint Position

Where does Aon plc sit on the BinaPrint map right now?

Test whether business quality and financial profile match the company's stated narrative.

Key Metrics

Which metrics matter most for Aon plc right now?

Three durable business metrics that matter more than day-to-day price moves.

Revenue Growth

9.0% average over 5 years

Shows whether the business has been expanding fast enough to create more long-term value.
EPS Growth

32.3% average over 5 years

Shows whether earnings per share are compounding for owners over time.
Margin Quality

47.7% gross margin

Shows how much room the business has to fund growth, absorb shocks, and stay profitable.
Aon plc key metrics
MetricValueContext
Revenue Growth9.0% average over 5 yearsShows whether the business has been expanding fast enough to create more long-term value.
EPS Growth32.3% average over 5 yearsShows whether earnings per share are compounding for owners over time.
Margin Quality47.7% gross marginShows how much room the business has to fund growth, absorb shocks, and stay profitable.

Based on company financial statements.

Fundamentals

What do Aon plc's fundamentals say right now?

Core financial markers that explain how the business is performing beneath the stock price.

Capital Efficiency

18.7% ROIC

The business is currently showing good capital efficiency.
Profitability

47.7% gross margin

Healthy gross margins give the company room to invest, price competitively, and absorb shocks.
Cash Generation

18.7% FCF margin

Free cash flow margin shows how much real cash the business keeps after funding operations and investment.
Ownership Trend

Stable to shrinking

The company is not currently diluting owners and may be buying back shares instead.
Aon plc fundamental metrics
MetricValueInterpretation
Capital Efficiency18.7% ROICThe business is currently showing good capital efficiency.
Profitability47.7% gross marginHealthy gross margins give the company room to invest, price competitively, and absorb shocks.
Cash Generation18.7% FCF marginFree cash flow margin shows how much real cash the business keeps after funding operations and investment.
Ownership TrendStable to shrinkingThe company is not currently diluting owners and may be buying back shares instead.

Based on company financial statements.

Included In Funds

Which ETFs and funds currently hold Aon plc?

Aon plc currently appears in these ETF and fund proxies.

As of Mar 4, 2026
SS

SPY

SPDR S&P 500 ETF Trust

IR

IWB

iShares Russell 1000 ETF

Questions & Answers

What questions come up most often about Aon plc?

Company-specific questions readers often ask about Aon plc.

Each entry answers a direct question about the business, the long-term thesis, or the risks that matter over time.

Aon advises companies on risk and helps them purchase insurance and manage employee benefits and retirement plans.

Decision Framing

Secondary context after the long-term thesis

Shorter-horizon context and comparison tools, after the core long-term read.

Shorter-horizon price moves, two-sided debate, and comparison tools live here so the page stays anchored on business quality, durability, and BinaPrint fit first.

Investment Thesis

Bull vs Bear

Two-sided framing before any decision.

4 bull points
4 bear points

Current argument weight is balanced.

Bull case

What can work

Rising global complexity, from cyber threats to climate change, increases demand for sophisticated risk advice and insurance placement, directly benefiting Aon’s core services.

Large multinational clients prefer brokers with global reach and integrated data capabilities, giving Aon scale advantages that smaller firms struggle to match.

High operating margins of 25.3 percent provide room to invest in technology and talent while still generating strong profits.

A five-year average earnings per share growth of 32.3 percent shows management has historically turned steady revenue growth into much faster profit growth.

Bear case

What can break

Insurance carriers or large corporate clients could push for lower commissions, compressing Aon’s 25.3 percent operating margin over time.

Technology platforms could automate parts of brokerage and risk analysis, reducing the need for human intermediaries.

A prolonged global recession could shrink insurance premiums and corporate spending on consulting, slowing revenue growth below its 9.0 percent five-year average.

Regulatory changes in major markets could restrict broker compensation structures, directly reducing profitability.

Risk Radar

Key Risks

Where downside pressure can build.

1
High risk

Insurance pricing cycle risk, if global premiums stagnate or fall, commission-based revenue growth could slow below the recent 9.0 percent five-year average.

2
High risk

Margin compression risk, operating margin is 25.3 percent and even a 3 to 5 point decline would meaningfully reduce earnings power.

3
Medium risk

Client concentration in large multinationals, loss of a few major accounts could dent growth in a given year.

i

Sizing matters

Risks should be read as scenario inputs, not certainties. Position size and time horizon determine how much of this downside profile is acceptable.

Market Snapshot

Tactical context after the core long-term read.

Price
$340.60
Daily move
+0.54%

Next Actions

Explore planning scenarios or keep browsing similar companies.