Aon (AON) Revenue & Revenue Breakdown

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Aon Revenue Highlights

Latest Revenue (Y)

$15.70B

Latest Revenue (Q)

$4.16B

Main Segment (Y)

Risk Capital Segment

Main Geography (Y)

UNITED STATES

Aon Revenue by Period

Aon Revenue by Year

Date	Revenue	Change
2024-12-31	$15.70B	17.36%
2023-12-31	$13.38B	7.19%
2022-12-31	$12.48B	2.35%
2021-12-31	$12.19B	10.18%
2020-12-31	$11.07B	0.48%
2019-12-31	$11.01B	2.26%
2018-12-31	$10.77B	7.72%
2017-12-31	$10.00B	-14.01%
2016-12-31	$11.63B	-0.47%
2015-12-31	$11.68B	-3.01%
2014-12-31	$12.04B	1.95%
2013-12-31	$11.81B	2.61%
2012-12-31	$11.51B	2.01%
2011-12-31	$11.29B	32.60%
2010-12-31	$8.51B	12.07%
2009-12-31	$7.59B	-0.47%
2008-12-31	$7.63B	2.14%
2007-12-31	$7.47B	-16.56%
2006-12-31	$8.95B	-8.98%
2005-12-31	$9.84B	-3.29%
2004-12-31	$10.17B	3.69%
2003-12-31	$9.81B	11.20%
2002-12-31	$8.82B	14.93%
2001-12-31	$7.68B	4.08%
2000-12-31	$7.38B	4.31%
1999-12-31	$7.07B	8.89%
1998-12-31	$6.49B	12.91%
1997-12-31	$5.75B	47.90%
1996-12-31	$3.89B	12.19%
1995-12-31	$3.47B	-16.63%
1994-12-31	$4.16B	8.12%
1993-12-31	$3.84B	-

Aon generated $15.70B in revenue during NA 2024, up 17.36% compared to the previous quarter, and up 142.54% compared to the same period a year ago.

Aon Revenue by Quarter

Date	Revenue	Change
2025-06-30	$4.16B	-12.14%
2025-03-31	$4.73B	14.03%
2024-12-31	$4.15B	11.45%
2024-09-30	$3.72B	-1.04%
2024-06-30	$3.76B	-7.62%
2024-03-31	$4.07B	20.59%
2023-12-31	$3.38B	14.29%
2023-09-30	$2.95B	-7.05%
2023-06-30	$3.18B	-17.93%
2023-03-31	$3.87B	23.67%
2022-12-31	$3.13B	16.10%
2022-09-30	$2.70B	-9.62%
2022-06-30	$2.98B	-18.72%
2022-03-31	$3.67B	19.16%
2021-12-31	$3.08B	13.99%
2021-09-30	$2.70B	-6.38%
2021-06-30	$2.89B	-18.13%
2021-03-31	$3.52B	18.89%
2020-12-31	$2.96B	24.32%
2020-09-30	$2.38B	-4.49%
2020-06-30	$2.50B	-22.43%
2020-03-31	$3.22B	11.58%
2019-12-31	$2.88B	21.27%
2019-09-30	$2.38B	-8.71%
2019-06-30	$2.61B	-17.09%
2019-03-31	$3.14B	13.47%
2018-12-31	$2.77B	17.92%
2018-09-30	$2.35B	-8.28%
2018-06-30	$2.56B	-17.12%
2018-03-31	$3.09B	6.22%
2017-12-31	$2.91B	24.32%
2017-09-30	$2.34B	-1.18%
2017-06-30	$2.37B	-0.55%
2017-03-31	$2.38B	-28.35%
2016-12-31	$3.32B	21.01%
2016-09-30	$2.75B	-0.72%
2016-06-30	$2.77B	-0.93%
2016-03-31	$2.79B	-15.09%
2015-12-31	$3.29B	19.91%
2015-09-30	$2.74B	-2.25%
2015-06-30	$2.81B	-1.48%
2015-03-31	$2.85B	-13.70%
2014-12-31	$3.30B	14.55%
2014-09-30	$2.88B	-1.34%
2014-06-30	$2.92B	-0.95%
2014-03-31	$2.95B	-8.16%
2013-12-31	$3.21B	14.85%
2013-09-30	$2.79B	-3.56%
2013-06-30	$2.90B	-0.62%
2013-03-31	$2.92B	-6.42%
2012-12-31	$3.12B	13.81%
2012-09-30	$2.74B	-2.98%
2012-06-30	$2.82B	-0.70%
2012-03-31	$2.84B	-5.11%
2011-12-31	$2.99B	9.95%
2011-09-30	$2.72B	-3.13%
2011-06-30	$2.81B	1.88%
2011-03-31	$2.76B	-5.16%
2010-12-31	$2.91B	61.52%
2010-09-30	$1.80B	-5.11%
2010-06-30	$1.90B	-0.32%
2010-03-31	$1.90B	-8.15%
2009-12-31	$2.07B	15.55%
2009-09-30	$1.79B	-4.68%
2009-06-30	$1.88B	1.95%
2009-03-31	$1.85B	-3.15%
2008-12-31	$1.91B	8.23%
2008-09-30	$1.76B	-9.97%
2008-06-30	$1.96B	2.68%
2008-03-31	$1.91B	-

Aon generated $4.16B in revenue during Q2 2025, up -12.14% compared to the previous quarter, and up 102.09% compared to the same period a year ago.

Aon Revenue Breakdown

Aon Revenue Breakdown by Product

Annual Revenue by Product

Product/Service	Dec 24	Dec 23	Dec 22	Dec 21	Dec 20
Human Capital Segment	$5.21B	-	-	-	-
Risk Capital Segment	$10.52B	-	-	-	-
Wealth Solutions	-	$1.43B	$1.37B	$1.43B	-
Reinsurance Solutions	-	$2.48B	$2.19B	$2.00B	-
Health Solutions	-	$2.43B	$2.22B	$2.15B	-
Commercial Risk Solutions	-	$7.04B	$6.71B	$6.63B	-
Health	-	$2.43B	$1.66B	-	-
Reinsurance	-	$2.48B	$1.81B	-	-
Retirement	-	-	-	-	$1.75B
Data Solutions	-	-	-	-	$1.17B
P&C Advisory	-	-	-	-	$4.69B

Aon's latest annual revenue breakdown by segment (product or service), as of Dec 24: Risk Capital Segment (66.88%), and Human Capital Segment (33.12%).

Quarterly Revenue by Product

Product/Service	Jun 25	Mar 25	Sep 24	Jun 24	Mar 24	Dec 23	Sep 23	Jun 23	Mar 23	Dec 22	Sep 22	Jun 22	Mar 22	Dec 21	Sep 21	Jun 21	Mar 21	Sep 20	Jun 20	Mar 20
Human Capital Segment	$1.29B	$1.54B	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Risk Capital Segment	$2.87B	$3.19B	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Commercial Risk Solutions	-	-	$1.85B	$2.02B	$1.81B	$1.91B	$1.58B	$1.77B	$1.78B	$1.82B	$1.48B	$1.69B	$1.72B	$1.85B	$1.50B	-	-	-	-	-
Wealth Solutions	-	-	$499.00M	$463.00M	$370.00M	$377.00M	$352.00M	$352.00M	$350.00M	$353.00M	$326.00M	$343.00M	$345.00M	$364.00M	$351.00M	-	-	-	-	-
Reinsurance	-	-	$503.00M	$635.00M	$1.17B	$332.00M	$500.00M	$922.00M	$321.00M	$448.00M	$848.00M	-	-	-	-	-	-	-	-	-
Health	-	-	$870.00M	$662.00M	$733.00M	$763.00M	$307.00M	$536.00M	$282.00M	$258.00M	$502.00M	-	-	-	-	-	-	-	-	-
Reinsurance Solutions	-	-	-	-	-	$332.00M	$465.00M	$607.00M	$1.08B	$281.00M	$396.00M	$537.00M	$976.00M	$222.00M	$353.00M	-	-	-	-	-
Health Solutions	-	-	-	-	-	$763.00M	$552.00M	$447.00M	$671.00M	$678.00M	$494.00M	$414.00M	$638.00M	$651.00M	$497.00M	-	-	-	-	-
Retirement	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	$294.00M	$351.00M	$278.00M	$274.00M	$331.00M
Data Solutions	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	$440.00M	$434.00M	$468.00M	$393.00M	$397.00M
P&C Advisory	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	$1.35B	$1.29B	$1.04B	$1.13B	$1.15B

Aon's latest quarterly revenue breakdown by segment (product or service), as of Jun 25: Risk Capital Segment (68.94%), and Human Capital Segment (31.06%).

Aon Revenue Breakdown by Country

Annual Revenue by Country

Country	Dec 24	Dec 23	Dec 22	Dec 21	Dec 20
UNITED KINGDOM	$1.98B	$1.82B	-	-	-
IRELAND	$146.00M	$113.00M	$99.00M	$127.00M	$84.00M
Europe, Middle East, And Africa	$2.90B	$2.67B	$2.44B	$2.56B	$2.24B
Asia Pacific	$1.68B	$1.59B	$1.47B	$1.33B	$1.22B
UNITED STATES	$7.67B	$5.92B	$5.67B	$5.46B	$5.03B
Americas, Other than United States	-	$1.26B	$1.14B	$1.03B	$911.00M

Aon's latest annual revenue breakdown by geography, as of Dec 24: UNITED STATES (53.37%), Europe, Middle East, And Africa (20.19%), UNITED KINGDOM (13.75%), Asia Pacific (11.67%), and IRELAND (1.02%).

Quarterly Revenue by Country

Country	Jun 25	Mar 25	Dec 24	Sep 24	Jun 24	Mar 24	Dec 23	Sep 23	Jun 23	Mar 23	Dec 22	Sep 22	Jun 22	Mar 22	Dec 21	Sep 21	Jun 21	Mar 21	Dec 20	Sep 20
UNITED KINGDOM	$610.00M	$621.00M	$407.00M	$437.00M	$548.00M	$583.00M	$363.00M	-	-	-	-	-	-	-	-	-	-	-	-	-
IRELAND	$46.00M	$45.00M	$40.00M	$38.00M	$35.00M	$33.00M	$31.00M	$24.00M	$28.00M	$30.00M	$23.00M	$22.00M	$25.00M	$29.00M	$33.00M	$22.00M	$39.00M	$33.00M	$21.00M	$19.00M
Europe, Middle East, And Africa	$634.00M	$1.26B	$633.00M	$492.00M	$566.00M	$1.21B	$579.00M	-	-	-	-	-	-	-	-	-	-	-	-	-
Asia Pacific	$430.00M	$425.00M	$446.00M	$408.00M	$412.00M	$410.00M	$431.00M	$373.00M	$396.00M	$389.00M	$387.00M	$352.00M	$373.00M	$362.00M	$359.00M	$343.00M	$319.00M	$313.00M	$343.00M	$293.00M
UNITED STATES	$2.04B	$2.00B	$2.23B	$2.08B	$1.84B	$1.51B	$1.60B	$1.40B	$1.43B	$1.50B	$1.57B	$1.34B	$1.34B	$1.42B	$1.56B	$1.33B	$1.26B	$1.31B	$1.53B	$1.17B
Americas, Other than United States	-	-	-	$263.00M	$362.00M	$323.00M	$370.00M	$281.00M	$308.00M	$301.00M	$323.00M	$250.00M	$288.00M	$276.00M	$279.00M	$230.00M	$268.00M	$250.00M	$264.00M	$200.00M
Europe, Middle East, And Africa, Other Than United Kingdom And Ireland	-	-	-	-	-	-	-	$479.00M	$512.00M	$1.10B	$403.00M	$469.00M	$1.06B	$438.00M	$499.00M	$1.09B	$372.00M	-	-	-

Aon's latest quarterly revenue breakdown by geography, as of Jun 25: UNITED STATES (54.26%), Europe, Middle East, And Africa (16.86%), UNITED KINGDOM (16.22%), Asia Pacific (11.44%), and IRELAND (1.22%).

Aon Peer Comparison by Revenue

Ticker	Company	Last Year Revenue	Last Quarter Revenue
MMC	Marsh & McLennan Companies	$24.46B	$6.97B
AON	Aon	$15.70B	$4.16B
AIZ	Assurant	$11.88B	$3.07B
AJG	Arthur J. Gallagher	$11.55B	$3.73B
WTW	Willis Towers Watson Public	$9.93B	$2.26B
GL	Globe Life	$5.78B	$1.48B
BRO	Brown & Brown	$4.80B	$1.28B
ERIE	Erie Indemnity	$3.80B	$989.40M
ALLE	Allegion	$3.77B	$1.02B

AON Revenue FAQ

What is Aon’s yearly revenue?

Aon's yearly revenue for 2024 was $15.7B, representing an increase of 17.36% compared to 2023. The company's yearly revenue for 2023 was $13.38B, representing an increase of 7.19% compared to 2022. AON's yearly revenue for 2022 was $12.48B, representing an increase of 2.35% compared to 2021.

What is Aon’s quarterly revenue?

Aon's quarterly revenue for Q2 2025 was $4.16B, a -12.14% decrease from the previous quarter (Q1 2025), and a 10.51% increase year-over-year (Q2 2024). The company's quarterly revenue for Q1 2025 was $4.73B, a 14.03% increase from the previous quarter (Q4 2024), and a 16.19% increase year-over-year (Q1 2024). AON's quarterly revenue for Q4 2024 was $4.15B, a 11.45% increase from the previous quarter (Q3 2024), and a 22.87% increase year-over-year (Q4 2023).

What is Aon’s revenue growth rate?

Aon's revenue growth rate for the last 3 years (2022-2024) was 25.80%, and for the last 5 years (2020-2024) was 41.86%.

What are Aon’s revenue streams?

Aon's revenue streams in c 24 are Human Capital Segment, and Risk Capital Segment. Human Capital Segment generated $5.21B in revenue, accounting 33.12% of the company's total revenue Risk Capital Segment generated $10.52B in revenue, accounting 66.88% of the company's total revenue

What is Aon’s main source of revenue?

For the fiscal year ending Dec 24, the largest source of revenue of Aon was Risk Capital Segment. This segment made a revenue of $10.52B, representing 66.88% of the company's total revenue.