Aon plc (AON)

Aon plc Revenue

Aon plc had revenue of $4.10B in the quarter ending September 30, 2026, with 2.60% growth. This brings the company's total for the last twelve months to $17.68B, up 3.83% year-over-year. In the year 2025, Aon plc had annual revenue of $17.18B with 9.45% growth. That makes Aon plc the 849th largest company in the world by revenue and 284th in the United States.

• Revenue (ttm): $17.68B
• Revenue Growth: +3.83%
• P/S Ratio: 3.86
• Revenue / Employee: $294,683
• Employees: 60,000
• Market Cap: 68.24B

Revenue Chart

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Revenue by Segment

By Segment

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• Commercial Risk Solutions 8.50B 49.4%
• Health Solutions 3.84B 22.3%
• Reinsurance Solutions 2.79B 16.2%
• Wealth Solutions 2.07B 12.0%

By Geography

• United States 8.28B 48.2%
• Europe, Middle East, & Africa Other than United Kingdom and Ireland 3.15B 18.4%
• United Kingdom 2.22B 12.9%
• Asia Pacific 1.71B 10.0%
• Americas Other than United States 1.63B 9.5%
• Ireland 185.00M 1.1%

Fiscal year ended Dec 31, 2025 See the full Aon plc breakdown

Revenue History

Fiscal Year End	Revenue	Change	Growth
Dec 31, 2025	17.18B	1.48B	9.45%
Dec 31, 2024	15.70B	2.32B	17.36%
Dec 31, 2023	13.38B	897.00M	7.19%
Dec 31, 2022	12.48B	286.00M	2.35%
Dec 31, 2021	12.19B	1.13B	10.18%
Dec 31, 2020	11.07B	53.00M	0.48%
Dec 31, 2019	11.01B	243.00M	2.26%
Dec 31, 2018	10.77B	772.00M	7.72%
Dec 31, 2017	10.00B	589.00M	6.26%
Dec 31, 2016	9.41B	-71.00M	-0.75%
Dec 31, 2015	9.48B	-2.57B	-21.30%
Dec 31, 2014	12.05B	230.00M	1.95%
Dec 31, 2013	11.82B	301.00M	2.61%
Dec 31, 2012	11.51B	227.00M	2.01%
Dec 31, 2011	11.29B	2.78B	32.60%
Dec 31, 2010	8.51B	917.00M	12.07%
Dec 31, 2009	7.60B	67.00M	0.89%
Dec 31, 2008	7.53B	294.00M	4.06%
Dec 31, 2007	7.23B	464.00M	6.85%
Dec 31, 2006	6.77B	119.00M	1.79%
Dec 31, 2005	6.65B	-	-

Data Sources: Fiscal.ai and S&P Global Market Intelligence Last updated: Oct 28, 2026

Revenue data is provided by Fiscal.ai and updates within minutes after each earnings release, which is every three months for this company. Revenue geography data is provided by S&P Global Market Intelligence.

Update frequency:

Quarterly

Last checked:

Nov 1, 2026

Data Sources Report a data error