Company Analysis

Aon plc (AON)

NYSE: AON · Insurance Agents, Brokers & Service · Dublin 2, IE · filing with the SEC since 1995
Grade6.3
◀ Past 6.9● Present 6.3▶ Future 5.8

The grade of Aon plc

Nine metrics read from its own filings, by tense
Headline grade
6.3/10
◀ Past6.925% of the headline
● Present6.345% of the headline
▶ Future5.830% of the headline

All three tenses have at least two readings, so the archetype blend applies as printed.

All nine metrics read as filed from the record.

◀ Past

What did they actually do?

6.9/1025% of the headline grade · 3 of 3 filed

Surviving crises

as filed
7.3/10

Has it survived what it has been through?

No warning events in its filings since 2017.

weight 45% of this tense · 73rd percentile among 30 sector filers · read for itself

From the record

Aon plc's filings since 2017 show no warning events in the scan: no bankruptcy or receivership notice, no debt default notice, no exchange listing notice, no restatement warning, no auditor change, no material cyber incident and no late-report notice (its current reports).

A production reading, recomputed from the filings on every data build, read from EDGAR Nov 13, 2026.

Track record

as filed
6.5/10

What has it actually done, year after year?

+6.9% a year over 10 filed years; profitable in 10 of 10.

weight 33% of this tense · 64th percentile among 29 sector filers · read for its customers

From the record

Aon plc's 10 filed years say what it did: revenue went from $9.4 billion in fiscal 2016 to $17 billion in fiscal 2025, up 6.9% a year; it rose in 9 of 9 years; it never fell from a peak; net income was positive in 10 of 10 of those years (its annual reports).

What it rests on

  • revenue growth over the filed span6.9%bottom 26% of its family
  • the share of years revenue rosetop 24% of its family
  • the share of filed years with a profittop 20% of its family
  • the deepest fall from a revenue peak0.0%top 24% of its family

A production reading, recomputed from the filings on every data build, read from EDGAR Nov 13, 2026.

Shareholder treatment

as filed
6.5/10

How has it treated the people who own it?

Share count grew 0.6% a year. 17% of cash flow returned. Insiders: 11 sales, 7 purchases.

weight 22% of this tense · 65th percentile among 20 sector filers · read for its shareholders

From the record

Over the 3 fiscal years to 2025-12-31, Aon plc's diluted share count grew about 0.6% a year, and dividends and buybacks returned about 17% of its operating cash flow over 3 years (its filed statements). Its officers and directors filed 11 sales (8 under scheduled 10b5-1 plans) and 7 purchases of their own stock on the open market in the year to 2026-09-30, buying about $8 million (their Form 4 filings).

What it rests on

  • the share count over the yearstop 27% of its family
  • cash returned against operating cash flowtop 42% of its family

A production reading, recomputed from the filings on every data build, read from EDGAR Nov 13, 2026.

● Present

What are they doing right now?

6.3/1045% of the headline grade · 3 of 3 filed

Financial health

as filed
6.1/10

Is it financially healthy right now?

ROE 40%: 40¢ of profit per shareholder dollar. Leverage 81%: owes 81¢ per asset dollar.

weight 33% of this tense · 61st percentile among 30 sector filers · read for itself

From the record

Return on equity: in the fiscal year ended 2025-12-31, Aon plc earned about 40 cents of profit for every dollar of shareholders' money. Leverage: it owed about 81 cents per dollar of assets, and net share issuance: its share count grew 2.2% over the year (the filed statements).

What it rests on

  • what it owes per dollar of assetsbottom 32% of its family
  • return on equitytop 6% of its family
  • the share count against the year beforetop 44% of its family

A production reading, recomputed from the filings on every data build, read from EDGAR Nov 13, 2026.

Industry position

as filed
7.6/10

How strong is its position in its industry?

top 24% of 30 in its family; net margin 21.8%.

weight 45% of this tense · 76th percentile among 30 sector filers · read for its customers

From the record

Aon plc's standing among 30 graded names in its industry family: revenue of $17 billion in fiscal 2025 ranks in the top 6% by size; a net margin of 21.8% ranks in the top 12%; revenue growth of 11.2% a year over the last 3 filed years ranks in the bottom 45% (its annual reports).

What it rests on

  • revenue against the family$17.18Btop 6% of its family
  • net margin21.8%top 12% of its family
  • three-year revenue growth11.2%bottom 45% of its family

A production reading, recomputed from the filings on every data build, read from EDGAR Nov 13, 2026.

Leadership

as filed
4.0/10

What are the people in charge doing?

bottom 40% of 21 in its family for leadership; chief executive since 2006.

weight 22% of this tense · 40th percentile among 21 sector filers · read for its shareholders

From the record

Aon plc's leadership, from its insiders' filings and its current reports: the chief executive on the record is Case, Gregory C (President & CEO, as filed), filing under that title since 2006-03-20, 20.7 years (top 7% of its family); the 22 officers and directors filing in the last fifteen months have been on the record a median of 4.1 years (bottom 13%); 17 officer or director changes were reported on Form 8-K since 2023-11-13, against the 22 people in charge now (bottom 15%; fewer changes for each person reads higher) (the Form 4 record, its Form 8-K reports). Years count from a person's first filing in the SEC's data sets, which begin in 2006, so each is a floor.

What it rests on

  • officer and director changes on Form 8-K, against the people in charge17 in three years among 22 peoplebottom 15% of its family
  • the median years the people in charge have filed4.1 yearsbottom 13% of its family
  • the chief executive's years on the record20.7 yearstop 7% of its family

A production reading, recomputed from the filings on every data build, read from EDGAR Nov 13, 2026.

▶ Future

What are they set up to do next?

5.8/1030% of the headline grade · 3 of 3 filed

Room to expand

as filed
4.4/10

How much room does it have to grow?

bottom 44% of 29 in its family for room to expand.

weight 33% of this tense · 44th percentile among 29 sector filers · read for itself

From the record

Aon plc's room to grow, from the newest filed statements (fiscal 2025): cash of $1.2 billion against debt of $15 billion leaves -26.5% of its assets as net cash, bottom 16% of its family; cash from operations less capital spending is 18.7% of revenue (top 28%) (its annual report).

What it rests on

  • cash less debt against assets-26.5%bottom 16% of its family
  • cash from operations less capital spending against revenue18.7%top 28% of its family

A production reading, recomputed from the filings on every data build, read from EDGAR Nov 13, 2026.

Growth drivers

as filed
6.8/10

What could actually drive growth from here?

top 32% of 29 in its family for growth drivers.

weight 33% of this tense · 68th percentile among 29 sector filers · read for its customers

From the record

Aon plc's growth drivers, from the filed years to fiscal 2025: revenue grew 11.2% a year over the last three filed years against 6.9% over all 10, speeding up (top 5% of its family); the newest year grew 9.5% (bottom 47%); capital spending grew 10.3% a year (top 37%) (its annual reports). Aon plc reported 2 lines of business in fiscal 2025: Risk Capital at $11 billion, Human Capital at $5.9 billion. 2 of 2 grew in the latest filed year, and the largest line is 66% of revenue (its annual report).

What it rests on

  • three-year growth against the whole span+4.3 points a yeartop 5% of its family
  • the newest year's revenue growth9.5%bottom 47% of its family
  • three-year growth of capital spending10.3%top 37% of its family

A production reading, recomputed from the filings on every data build, read from EDGAR Nov 13, 2026.

Expectations vs reality

as filed
6.2/10

Did its newest year beat what its own record pointed to?

top 38% of 25 in its family for expectations against reality.

weight 33% of this tense · 62nd percentile among 25 sector filers · read for its shareholders

From the record

Aon plc's newest year against its own record: revenue of $17 billion in fiscal 2025 came in 2.4% below the $18 billion its prior three years' pace pointed to (top 34% of its family); net income of $3.8 billion against a prior three-year average of $2.7 billion (top 46%); a net margin of 21.8% against 19.4% before (top 34%) (its annual reports).

What it rests on

  • revenue against the prior three years' pace-2.4%top 34% of its family
  • net income against the prior three years' average+41%top 46% of its family
  • net margin against its prior average+2.4 pointstop 34% of its family

A production reading, recomputed from the filings on every data build, read from EDGAR Nov 13, 2026.

The grade is the company against its own industry, from its filings. It is not a view on the share price. How the grade is made

SI Assistanton AON · research, not advice