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Aon plc AON Business Segments

TTM Q1 '26TTM Q4 '25TTM Q3 '25TTM Q2 '25TTM Q1 '25
Total Revenue by Business
Human Capital$5.9B+4.4%$5.91B+13.4%$5.92B+29.8%$5.82B+39.8%$5.65B+41.2%
Risk Capital$11.6B+8.1%$11.29B+7.4%$11.12B+7.3%$10.95B+5.4%$10.73B+6.1%
Costs and Expenses by Business
Human Capital$4.45B-0.9%$4.5B+10.6%$4.61B+27.6%$4.63B+47.7%$4.49B+60.9%
Risk Capital$7.98B+7.4%$7.85B+8.7%$7.71B+8.7%$7.57B+8.9%$7.43B+10.5%
Operating Income (Loss) by Business
Human Capital$1.45B+25.1%$1.41B+23.4%$1.32B+38.1%$1.19B+15.7%$1.16B-4.2%
Risk Capital$3.62B+9.6%$3.44B+4.4%$3.41B+4.3%$3.38B-1.7%$3.3B-2.7%
Foreign currency translation and other by Business
Risk Capital$206M+657%$327M+304%$261M+362%$221M+659%-$37M-278%
Investment income by Business
Human Capital$8M-11.1%$8M0.0%$9M+50.0%$8M+60.0%$9M+125%
Risk Capital$246M-16.3%$258M-16.0%$270M-10.4%$281M-1.7%$294M+4.8%
Operating margin by Business
Human Capital64.5%+12.6pp61.8%+0.9pp60.7%-4.3pp53%-4.3pp51.9%-4.5pp
Business Combination, Number of Businesses Acquired by Business
Human Capital7-46.2%8-33.3%10+21.2%11+214%13+1,633%
Risk Capital9-43.8%100.0%10+17.6%12+100%16+967%
Other expenses by Business
Human Capital$1.11B-8.7%$1.14B+8.2%$1.2B+37.7%$1.26B+91.6%$1.21B+129%
Risk Capital$1.38B+4.8%$1.43B+17.1%$1.37B+14.1%$1.31B+7.3%$1.32B+11.0%
Compensation and benefits by Business
Human Capital$3.05B+2.0%$3.06B+11.7%$3.11B+25.4%$3.07B+37.2%$2.99B+47.1%
Risk Capital$6B+8.7%$5.83B+7.7%$5.76B+8.5%$5.68B+10.3%$5.52B+11.5%
Information technology by Business
Human Capital$187M+5.1%$186M+10.7%$181M+14.6%$184M+24.3%$178M+21.9%
Risk Capital$378M+2.4%$372M+1.1%$365M-1.7%$364M-2.8%$369M-2.3%
Goodwill by Business
Human Capital$25.28B$25.55B$25.76B
Risk Capital$38.17B$37.67B$36.9B
Premises by Business
Human Capital$114M-3.4%$116M+5.5%$117M+14.7%$120M+29.0%$118M+35.6%
Risk Capital$217M0.0%$216M+0.5%$216M+1.9%$217M+5.3%$217M+6.9%
Goodwill related to current year acquisitions by Business
Human Capital$42M-98.7%$53M-98.8%$1.12B-65.9%$2.19B+0.7%$3.28B+200%
Risk Capital$328M-86.4%$478M-82.7%$1.14B-45.1%$1.73B+24.1%$2.42B+242%
Total Revenue by Product
Commercial Risk Solutions$8.72B+8.2%$8.5B+8.1%$8.35B+10.2%$8.22B+12.4%$8.06B+13.9%
Health Solutions$3.93B+8.4%$3.84B+15.1%$3.8B+25.6%$3.74B+37.9%$3.63B+45.4%
Reinsurance Solutions$2.88B+7.7%$2.79B+5.2%$2.77B+4.9%$2.73B+5.1%$2.68B+4.2%
Wealth Solutions$1.97B-2.7%$2.07B+10.4%$2.12B+24.0%$2.08B+33.1%$2.02B+39.4%
Charges by Product
Human Capital$17M-15.0%$16M-40.7%$9M-72.5%$14M-59.4%$20M-29.2%
Risk Capital$82M-8.9%$82M-28.1%$59M-49.7%$73M-39.4%$90M+5.0%
Expected cost by Product
Human Capital$274M$250M$220M
Risk Capital$1.04B$950M$850M
Total Revenue by Geography
Americas other than U.S.$1.64B+18.5%$1.63B+22.3%$1.54B+16.6%$1.42B+6.2%$1.39B+8.1%
Asia Pacific$1.7B+0.2%$1.71B+2.1%$1.71B+3.0%$1.71B+5.1%$1.69B+5.0%
Europe, Middle East, & Africa other than U.K. and Ireland$3.38B+14.5%$3.15B+8.7%$3.08B+8.4%$3.02B+6.6%$2.95B+6.3%
Ireland$193M+22.2%$185M+26.7%$173M+26.3%$169M+37.4%$158M+36.2%
U.K.$2.29B+13.7%$2.22B+12.4%$2.16B+12.0%$2.08B+9.8%$2.01B+8.9%
U.S.$8.29B+1.6%$8.28B+8.0%$8.36B+18.9%$8.36B+31.6%$8.16B+37.3%

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Questions, answered.

How does Aon plc break its business down?
Aon plc (AON) reports total revenue by business across 2 parts — Human Capital and Risk Capital. Each is extracted from the segment footnotes and tracked over time.
Where does Aon plc's segment data come from?
Segment breakdowns are pulled from the segment footnotes in Aon plc's SEC filings (the XBRL dimensional tags), so every line ties back to a reported figure. Switch between quarterly, annual, and TTM, or open any segment for its full history.