A

Aon plc

AON · CIK 0000315293insurer template: specialized rows coming in Phase 1

19 fiscal years · 70 SEC filings · every number carries its receipt

Revenue (FY)
$17.18B9.4%
FY2025
Net income (FY)
$3.69B39.2%
FY2025
Free cash flow (FY)
$3.22B14.2%
FY2025
Diluted EPS (FY)
$17.0236.3%
FY2025
The story, charted

The shape of the business

FY2007–FY2025 · hover any year for its receipt
Revenue & net incomeRevenueNet income
$0$5B$10B$15BFY2007 · Revenue $7.23B · Net income $864.0M · 0001047469-10-001535 · filed 2010-02-26FY07Revenue $7.23BNet income $864.0M0001047469-10-001535 · filed 2010-02-26FY2008 · Revenue $7.53B · Net income $1.46B · 0001047469-11-001427 · filed 2011-02-25FY08Revenue $7.53BNet income $1.46B0001047469-11-001427 · filed 2011-02-25FY2009 · Revenue $7.59B · Net income $747.0M · 0001047469-12-001478 · filed 2012-02-24 · 0001047469-11-001427 · filed 2011-02-25FY09Revenue $7.59BNet income $747.0M0001047469-12-001478 · filed 2012-02-24 · 0001047469-11-001427 · filed 2011-02-25FY2010 · Revenue $8.51B · Net income $706.0M · 0001047469-13-001494 · filed 2013-02-22 · 0001047469-11-001427 · filed 2011-02-25FY10Revenue $8.51BNet income $706.0M0001047469-13-001494 · filed 2013-02-22 · 0001047469-11-001427 · filed 2011-02-25FY2011 · Revenue $11.29B · 0001445305-14-000476 · filed 2014-02-18FY11Revenue $11.29B0001445305-14-000476 · filed 2014-02-18FY2012 · Revenue $11.51B · 0001628280-15-000950 · filed 2015-02-24FY12Revenue $11.51B0001628280-15-000950 · filed 2015-02-24FY2013 · Revenue $11.81B · 0001628280-16-011485 · filed 2016-02-22FY13Revenue $11.81B0001628280-16-011485 · filed 2016-02-22FY2014 · Revenue $12.04B · 0001628280-17-001652 · filed 2017-02-23FY14Revenue $12.04B0001628280-17-001652 · filed 2017-02-23FY2015 · Revenue $9.48B · 0001628280-18-001923 · filed 2018-02-20FY15Revenue $9.48B0001628280-18-001923 · filed 2018-02-20FY2016 · Revenue $9.41B · 0001628280-19-001558 · filed 2019-02-19FY16Revenue $9.41B0001628280-19-001558 · filed 2019-02-19FY2017 · Revenue $10.00B · 0001628280-20-001607 · filed 2020-02-14FY17Revenue $10.00B0001628280-20-001607 · filed 2020-02-14FY2018 · Revenue $10.77B · 0001628280-21-002574 · filed 2021-02-19FY18Revenue $10.77B0001628280-21-002574 · filed 2021-02-19FY2019 · Revenue $11.01B · Net income $1.53B · 0001628280-22-003180 · filed 2022-02-18FY19Revenue $11.01BNet income $1.53B0001628280-22-003180 · filed 2022-02-18FY2020 · Revenue $11.07B · Net income $1.97B · 0001628280-23-004087 · filed 2023-02-17FY20Revenue $11.07BNet income $1.97B0001628280-23-004087 · filed 2023-02-17FY2021 · Revenue $12.19B · Net income $1.25B · 0001628280-24-005392 · filed 2024-02-16FY21Revenue $12.19BNet income $1.25B0001628280-24-005392 · filed 2024-02-16FY2022 · Revenue $12.48B · Net income $2.59B · 0001628280-25-006093 · filed 2025-02-18FY22Revenue $12.48BNet income $2.59B0001628280-25-006093 · filed 2025-02-18FY2023 · Revenue $13.38B · Net income $2.56B · 0001628280-26-008116 · filed 2026-02-13FY23Revenue $13.38BNet income $2.56B0001628280-26-008116 · filed 2026-02-13FY2024 · Revenue $15.70B · Net income $2.65B · 0001628280-26-008116 · filed 2026-02-13FY24Revenue $15.70BNet income $2.65B0001628280-26-008116 · filed 2026-02-13FY2025 · Revenue $17.18B · Net income $3.69B · 0001628280-26-008116 · filed 2026-02-13FY25Revenue $17.18BNet income $3.69B0001628280-26-008116 · filed 2026-02-13FY25Revenue $17.18BNet income $3.69B0001628280-26-008116 · filed 2026-02-13FY07FY10FY13FY16FY19FY22FY25

revenue 2.4× since FY2007 · net margin 11.9% → 21.5%

MarginsNet marginFCF margin
0%10%20%FY2007 · Net margin 11.9% · FCF margin 15.1%FY07Net margin 11.9%FCF margin 15.1%derived: net income ÷ revenue · derived: (ocf − capex) ÷ revenueFY2008 · Net margin 19.4% · FCF margin 11.5%FY08Net margin 19.4%FCF margin 11.5%derived: net income ÷ revenue · derived: (ocf − capex) ÷ revenueFY2009 · Net margin 9.8% · FCF margin 4.7%FY09Net margin 9.8%FCF margin 4.7%derived: net income ÷ revenue · derived: (ocf − capex) ÷ revenueFY2010 · Net margin 8.3% · FCF margin 7.1%FY10Net margin 8.3%FCF margin 7.1%derived: net income ÷ revenue · derived: (ocf − capex) ÷ revenueFY2011 · FCF margin 6.9%FY11FCF margin 6.9%derived: (ocf − capex) ÷ revenueFY2012 · FCF margin 10.0%FY12FCF margin 10.0%derived: (ocf − capex) ÷ revenueFY2013 · FCF margin 12.9%FY13FCF margin 12.9%derived: (ocf − capex) ÷ revenueFY2014 · FCF margin 12.9%FY14FCF margin 12.9%derived: (ocf − capex) ÷ revenueFY2015 · FCF margin 19.1%FY15FCF margin 19.1%derived: (ocf − capex) ÷ revenueFY2016 · FCF margin 23.1%FY16FCF margin 23.1%derived: (ocf − capex) ÷ revenueFY2017 · FCF margin 5.5%FY17FCF margin 5.5%derived: (ocf − capex) ÷ revenueFY2018 · FCF margin 13.4%FY18FCF margin 13.4%derived: (ocf − capex) ÷ revenueFY2019 · Net margin 13.9% · FCF margin 14.6%FY19Net margin 13.9%FCF margin 14.6%derived: net income ÷ revenue · derived: (ocf − capex) ÷ revenueFY2020 · Net margin 17.8% · FCF margin 23.9%FY20Net margin 17.8%FCF margin 23.9%derived: net income ÷ revenue · derived: (ocf − capex) ÷ revenueFY2021 · Net margin 10.3% · FCF margin 16.8%FY21Net margin 10.3%FCF margin 16.8%derived: net income ÷ revenue · derived: (ocf − capex) ÷ revenueFY2022 · Net margin 20.7% · FCF margin 24.2%FY22Net margin 20.7%FCF margin 24.2%derived: net income ÷ revenue · derived: (ocf − capex) ÷ revenueFY2023 · Net margin 19.2% · FCF margin 23.8%FY23Net margin 19.2%FCF margin 23.8%derived: net income ÷ revenue · derived: (ocf − capex) ÷ revenueFY2024 · Net margin 16.9% · FCF margin 17.9%FY24Net margin 16.9%FCF margin 17.9%derived: net income ÷ revenue · derived: (ocf − capex) ÷ revenueFY2025 · Net margin 21.5% · FCF margin 18.7%FY25Net margin 21.5%FCF margin 18.7%derived: net income ÷ revenue · derived: (ocf − capex) ÷ revenueFY25Net margin 21.5%FCF margin 18.7%derived: net income ÷ revenue · derived: (ocf − capex) ÷ revenue’09’13’17’21’25

FY2025: net 21.5% · free cash flow 18.7% of revenue

Cash engineOperating cash flowFree cash flow
$0$1B$2B$3BFY2007 · OCF $1.26B · FCF $1.09B · 0001047469-10-001535 · filed 2010-02-26FY07OCF $1.26BFCF $1.09B0001047469-10-001535 · filed 2010-02-26FY2008 · OCF $968.0M · FCF $865.0M · 0001047469-11-001427 · filed 2011-02-25FY08OCF $968.0MFCF $865.0M0001047469-11-001427 · filed 2011-02-25FY2009 · OCF $500.0M · FCF $360.0M · 0001047469-12-001478 · filed 2012-02-24FY09OCF $500.0MFCF $360.0M0001047469-12-001478 · filed 2012-02-24FY2010 · OCF $783.0M · FCF $603.0M · 0001047469-13-001494 · filed 2013-02-22FY10OCF $783.0MFCF $603.0M0001047469-13-001494 · filed 2013-02-22FY2011 · OCF $1.02B · FCF $777.0M · 0001445305-14-000476 · filed 2014-02-18FY11OCF $1.02BFCF $777.0M0001445305-14-000476 · filed 2014-02-18FY2012 · OCF $1.42B · FCF $1.15B · 0001628280-15-000950 · filed 2015-02-24FY12OCF $1.42BFCF $1.15B0001628280-15-000950 · filed 2015-02-24FY2013 · OCF $1.75B · FCF $1.52B · 0001628280-16-011485 · filed 2016-02-22FY13OCF $1.75BFCF $1.52B0001628280-16-011485 · filed 2016-02-22FY2014 · OCF $1.81B · FCF $1.56B · 0001628280-17-001652 · filed 2017-02-23FY14OCF $1.81BFCF $1.56B0001628280-17-001652 · filed 2017-02-23FY2015 · OCF $2.01B · FCF $1.81B · 0001628280-18-001923 · filed 2018-02-20FY15OCF $2.01BFCF $1.81B0001628280-18-001923 · filed 2018-02-20FY2016 · OCF $2.33B · FCF $2.17B · 0001628280-19-001558 · filed 2019-02-19FY16OCF $2.33BFCF $2.17B0001628280-19-001558 · filed 2019-02-19FY2017 · OCF $734.0M · FCF $551.0M · 0001628280-20-001607 · filed 2020-02-14FY17OCF $734.0MFCF $551.0M0001628280-20-001607 · filed 2020-02-14FY2018 · OCF $1.69B · FCF $1.45B · 0001628280-21-002574 · filed 2021-02-19FY18OCF $1.69BFCF $1.45B0001628280-21-002574 · filed 2021-02-19FY2019 · OCF $1.83B · FCF $1.61B · 0001628280-22-003180 · filed 2022-02-18FY19OCF $1.83BFCF $1.61B0001628280-22-003180 · filed 2022-02-18FY2020 · OCF $2.78B · FCF $2.64B · 0001628280-23-004087 · filed 2023-02-17FY20OCF $2.78BFCF $2.64B0001628280-23-004087 · filed 2023-02-17FY2021 · OCF $2.18B · FCF $2.04B · 0001628280-24-005392 · filed 2024-02-16FY21OCF $2.18BFCF $2.04B0001628280-24-005392 · filed 2024-02-16FY2022 · OCF $3.22B · FCF $3.02B · 0001628280-25-006093 · filed 2025-02-18FY22OCF $3.22BFCF $3.02B0001628280-25-006093 · filed 2025-02-18FY2023 · OCF $3.44B · FCF $3.18B · 0001628280-26-008116 · filed 2026-02-13FY23OCF $3.44BFCF $3.18B0001628280-26-008116 · filed 2026-02-13FY2024 · OCF $3.04B · FCF $2.82B · 0001628280-26-008116 · filed 2026-02-13FY24OCF $3.04BFCF $2.82B0001628280-26-008116 · filed 2026-02-13FY2025 · OCF $3.48B · FCF $3.22B · 0001628280-26-008116 · filed 2026-02-13FY25OCF $3.48BFCF $3.22B0001628280-26-008116 · filed 2026-02-13FY25OCF $3.48BFCF $3.22B0001628280-26-008116 · filed 2026-02-13’09’13’17’21’25

FY2025: $3.48B operating cash − $263.0M capex = $3.22B free cash flow

Returns on capitalReturn on equityReturn on assets
-400%-200%0%FY2008 · ROE 27.5% · ROA 6.4%FY08ROE 27.5%ROA 6.4%derived: net income ÷ equity · derived: net income ÷ assetsFY2009 · ROE 13.9% · ROA 3.3%FY09ROE 13.9%ROA 3.3%derived: net income ÷ equity · derived: net income ÷ assetsFY2010 · ROE 8.6% · ROA 2.4%FY10ROE 8.6%ROA 2.4%derived: net income ÷ equity · derived: net income ÷ assetsFY2019 · ROE 45.4% · ROA 5.2%FY19ROE 45.4%ROA 5.2%derived: net income ÷ equity · derived: net income ÷ assetsFY2020 · ROE 56.3% · ROA 6.1%FY20ROE 56.3%ROA 6.1%derived: net income ÷ equity · derived: net income ÷ assetsFY2021 · ROE 118.3% · ROA 3.9%FY21ROE 118.3%ROA 3.9%derived: net income ÷ equity · derived: net income ÷ assetsFY2022 · ROE -489.4% · ROA 7.9%FY22ROE -489.4%ROA 7.9%derived: net income ÷ equity · derived: net income ÷ assetsFY2023 · ROE -310.4% · ROA 7.6%FY23ROE -310.4%ROA 7.6%derived: net income ÷ equity · derived: net income ÷ assetsFY2024 · ROE 43.4% · ROA 5.4%FY24ROE 43.4%ROA 5.4%derived: net income ÷ equity · derived: net income ÷ assetsFY2025 · ROE 39.5% · ROA 7.3%FY25ROE 39.5%ROA 7.3%derived: net income ÷ equity · derived: net income ÷ assetsFY25ROE 39.5%ROA 7.3%derived: net income ÷ equity · derived: net income ÷ assets’09’19’21’23’25

return on equity 28% (FY2008) → 40% (FY2025) · on assets 7.3%

Balance sheetLiabilitiesEquity
$0$20B$40BFY2008 · Liabilities $17.52B · Equity $5.31BFY08Liabilities $17.52BEquity $5.31B0001047469-10-001535 · filed 2010-02-26FY2009 · Liabilities $17.53B · Equity $5.38BFY09Liabilities $17.53BEquity $5.38B0001047469-11-001427 · filed 2011-02-25FY2010 · Liabilities $20.68B · Equity $8.25BFY10Liabilities $20.68BEquity $8.25B0001047469-12-001478 · filed 2012-02-24FY2011 · Liabilities $21.43B · Equity $8.08BFY11Liabilities $21.43BEquity $8.08B0001047469-13-001494 · filed 2013-02-22FY2012 · Liabilities $22.68B · Equity $7.76BFY12Liabilities $22.68BEquity $7.76B0001445305-14-000476 · filed 2014-02-18FY2013 · Liabilities $22.06B · Equity $8.14BFY13Liabilities $22.06BEquity $8.14B0001628280-15-000950 · filed 2015-02-24FY2014 · Liabilities $23.14B · Equity $6.57BFY14Liabilities $23.14BEquity $6.57B0001628280-16-011485 · filed 2016-02-22FY2015 · Liabilities $20.82B · Equity $6.00BFY15Liabilities $20.82BEquity $6.00B0001628280-17-001652 · filed 2017-02-23FY2016 · Liabilities $21.08B · Equity $5.47BFY16Liabilities $21.08BEquity $5.47B0001628280-18-001923 · filed 2018-02-20FY2017 · Liabilities $21.44B · Equity $5.16BFY17Liabilities $21.44BEquity $5.16B0001628280-19-001558 · filed 2019-02-19FY2018 · Liabilities $22.20B · Equity $4.15BFY18Liabilities $22.20BEquity $4.15B0001628280-20-001607 · filed 2020-02-14FY2019 · Liabilities $25.96B · Equity $3.38BFY19Liabilities $25.96BEquity $3.38B0001628280-21-002574 · filed 2021-02-19FY2020 · Liabilities $28.53B · Equity $3.50BFY20Liabilities $28.53BEquity $3.50B0001628280-22-003180 · filed 2022-02-18FY2021 · Liabilities $30.76B · Equity $1.06BFY21Liabilities $30.76BEquity $1.06B0001628280-23-004087 · filed 2023-02-17FY2022 · Liabilities $33.13B · Equity −$529.0MFY22Liabilities $33.13BEquity −$529.0M0001628280-24-005392 · filed 2024-02-16FY2023 · Liabilities $34.70B · Equity −$826.0MFY23Liabilities $34.70BEquity −$826.0M0001628280-25-006093 · filed 2025-02-18FY2024 · Liabilities $42.53B · Equity $6.12BFY24Liabilities $42.53BEquity $6.12B0001628280-26-008116 · filed 2026-02-13FY2025 · Liabilities $41.24B · Equity $9.35BFY25Liabilities $41.24BEquity $9.35B0001628280-26-008116 · filed 2026-02-13FY25Liabilities $41.24BEquity $9.35B0001628280-26-008116 · filed 2026-02-13’09’13’17’21’25

FY2025: $50.78B assets · $41.24B liabilities · $9.35B equity

The receipts

Financial statements

USD in millions except per-share and share counts. Every value links to the filing it came from — hover for the us-gaap tag, click for the 10-K/10-Q on sec.gov.

USD millionsQ1 2026Q3 2025Q2 2025Q1 2025Q3 2024Q2 2024Q1 2024Q3 2023Q2 2023Q1 2023Q3 2022Q2 2022
Revenue5,0343,9974,1554,7293,7213,7604,0702,9533,1773,8712,6962,983
Net income1,2124585799653435241,0714565601,050408501
Diluted EPS5.632.112.664.431.572.465.352.232.715.071.922.33
Diluted shares215217217218218213200205206207213215
Operating cash flow430140309443
Capital expenditures67564876
Free cash flow36384261367
Cash & equivalents1,1781,0951,0089641,1039749958089521,119692740
Total assets51,42951,63754,01050,30449,88551,45340,76733,11236,04934,25331,22334,720
Total liabilities41,44943,43845,92143,03043,33245,29540,79533,59835,88734,19531,89333,932
Shareholders' equity9,8347,9397,8437,0046,2445,860(133)(586)65(70)(783)684

Figures as reported in SEC filings, normalized by stonks with the tag mapping shown on hover; missing tags render as “—”, never as zero. Free cash flow is derived (operating cash flow − capex) with both parents recorded in its lineage. Quarterly view shows as-reported 10-Q periods; Q4 synthesis ships in Phase 1. See methodology.