Aon Operating Expenses Growth & History (AON)
Aon's operating expenses was $12.84B for fiscal 2025.
View full Aon company overviewAon annual operating expenses history
| Fiscal year | Period ended | Operating expenses | Change | Growth |
|---|---|---|---|---|
| 2025 | 2025-12-31 | $12.84B | $974.0M | +8.21% |
| 2024 | 2024-12-31 | $11.86B | $2.27B | +23.69% |
| 2023 | 2023-12-31 | $9.59B | $781.0M | +8.86% |
| 2022 | 2022-12-31 | $8.81B | −$1.29B | −12.80% |
| 2021 | 2021-12-31 | $10.10B | $1.82B | +21.94% |
| 2020 | 2020-12-31 | $8.29B | −$559.0M | −6.32% |
| 2019 | 2019-12-31 | $8.84B | −$382.0M | −4.14% |
| 2018 | 2018-12-31 | $9.23B | $293.0M | +3.28% |
| 2017 | 2017-12-31 | $8.93B | $1.33B | +17.57% |
| 2016 | 2016-12-31 | $7.60B | −$295.0M | −3.74% |
| 2015 | 2015-12-31 | $7.89B | −$2.19B | −21.69% |
| 2014 | 2014-12-31 | $10.08B | −$65.0M | −0.64% |
| 2013 | 2013-12-31 | $10.14B | $226.0M | +2.28% |
| 2012 | 2012-12-31 | $9.92B | $227.0M | +2.34% |
| 2011 | 2011-12-31 | $9.69B | $2.42B | +33.34% |
| 2010 | 2010-12-31 | $7.27B | $694.0M | +10.56% |
| 2009 | 2009-12-31 | $6.57B | −$14.0M | −0.21% |
| 2008 | 2008-12-31 | $6.59B | $357.0M | +5.73% |
| 2007 | 2007-12-31 | $6.23B | — | — |
Aon quarterly operating expenses
| Fiscal quarter | Period ended | Operating expenses | Change | YoY change |
|---|---|---|---|---|
| Q2 2026 | 2026-06-30 | $3.33B | $35.0M | +1.06% |
| Q1 2026 | 2026-03-31 | $3.32B | $51.0M | +1.56% |
| Q4 2025 | 2025-12-31 | $3.09B | $36.0M | +1.18% |
| Q3 2025 | 2025-09-30 | $3.18B | $83.0M | +2.68% |
| Q2 2025 | 2025-06-30 | $3.30B | $192.0M | +6.19% |
| Q1 2025 | 2025-03-31 | $3.27B | $663.0M | +25.45% |
| Q4 2024 | 2024-12-31 | $3.06B | $460.0M | +17.72% |
| Q3 2024 | 2024-09-30 | $3.10B | $836.0M | +36.96% |
| Q2 2024 | 2024-06-30 | $3.10B | $769.0M | +32.93% |
| Q1 2024 | 2024-03-31 | $2.60B | $207.0M | +8.63% |
| Q4 2023 | 2023-12-31 | $2.60B | $478.0M | +22.57% |
| Q3 2023 | 2023-09-30 | $2.26B | $156.0M | +7.41% |
| Q2 2023 | 2023-06-30 | $2.33B | $52.0M | +2.28% |
| Q1 2023 | 2023-03-31 | $2.40B | $95.0M | +4.13% |
| Q4 2022 | 2022-12-31 | $2.12B | $12.0M | +0.57% |
| Q3 2022 | 2022-09-30 | $2.11B | −$1.40B | −39.88% |
| Q2 2022 | 2022-06-30 | $2.28B | $69.0M | +3.12% |
| Q1 2022 | 2022-03-31 | $2.30B | $23.0M | +1.01% |
| Q4 2021 | 2021-12-31 | $2.11B | −$146.0M | −6.48% |
| Q3 2021 | 2021-09-30 | $3.50B | $1.56B | +80.20% |
| Q2 2021 | 2021-06-30 | $2.21B | $311.0M | +16.34% |
| Q1 2021 | 2021-03-31 | $2.28B | $94.0M | +4.30% |
| Q4 2020 | 2020-12-31 | $2.25B | −$109.0M | −4.62% |
| Q3 2020 | 2020-09-30 | $1.94B | −$75.0M | −3.71% |
| Q2 2020 | 2020-06-30 | $1.90B | −$290.0M | −13.22% |
| Q1 2020 | 2020-03-31 | $2.19B | −$85.0M | −3.74% |
| Q4 2019 | 2019-12-31 | $2.36B | $90.0M | +3.96% |
| Q3 2019 | 2019-09-30 | $2.02B | −$68.0M | −3.26% |
| Q2 2019 | 2019-06-30 | $2.19B | −$384.0M | −14.90% |
| Q1 2019 | 2019-03-31 | $2.27B | −$20.0M | −0.87% |
| Q4 2018 | 2018-12-31 | $2.27B | −$37.0M | −1.60% |
| Q3 2018 | 2018-09-30 | $2.09B | $3.0M | +0.14% |
| Q2 2018 | 2018-06-30 | $2.58B | $82.0M | +3.29% |
| Q1 2018 | 2018-03-31 | $2.29B | $245.0M | +11.97% |
| Q4 2017 | 2017-12-31 | $2.31B | $294.0M | +14.60% |
| Q3 2017 | 2017-09-30 | $2.08B | $251.0M | +13.69% |
| Q2 2017 | 2017-06-30 | $2.50B | $600.0M | +31.66% |
| Q1 2017 | 2017-03-31 | $2.05B | $190.0M | +10.24% |
| Q4 2016 | 2016-12-31 | $2.01B | $1.38B | +219.68% |
| Q3 2016 | 2016-09-30 | $1.83B | −$496.0M | −21.30% |
| Q2 2016 | 2016-06-30 | $1.90B | −$633.0M | −25.04% |
| Q1 2016 | 2016-03-31 | $1.86B | −$550.0M | −22.86% |
| Q4 2015 | 2015-12-31 | $630.0M | −$2.03B | −76.35% |
| Q3 2015 | 2015-09-30 | $2.33B | −$134.0M | −5.44% |
| Q2 2015 | 2015-06-30 | $2.53B | $54.0M | +2.18% |
| Q1 2015 | 2015-03-31 | $2.41B | −$72.0M | −2.91% |
| Q4 2014 | 2014-12-31 | $2.66B | −$30.0M | −1.11% |
| Q3 2014 | 2014-09-30 | $2.46B | $33.0M | +1.36% |
| Q2 2014 | 2014-06-30 | $2.47B | −$41.0M | −1.63% |
| Q1 2014 | 2014-03-31 | $2.48B | −$27.0M | −1.08% |
| Q4 2013 | 2013-12-31 | $2.69B | $40.0M | +1.51% |
| Q3 2013 | 2013-09-30 | $2.43B | $32.0M | +1.33% |
| Q2 2013 | 2013-06-30 | $2.52B | $88.0M | +3.63% |
| Q1 2013 | 2013-03-31 | $2.50B | $66.0M | +2.71% |
| Q4 2012 | 2012-12-31 | $2.65B | $90.0M | +3.51% |
| Q3 2012 | 2012-09-30 | $2.40B | $3.0M | +0.13% |
| Q2 2012 | 2012-06-30 | $2.43B | $56.0M | +2.36% |
| Q1 2012 | 2012-03-31 | $2.44B | $78.0M | +3.30% |
| Q4 2011 | 2011-12-31 | $2.56B | $95.0M | +3.85% |
| Q3 2011 | 2011-09-30 | $2.40B | $857.0M | +55.72% |
| Q2 2011 | 2011-06-30 | $2.37B | $741.0M | +45.46% |
| Q1 2011 | 2011-03-31 | $2.36B | $730.0M | +44.76% |
| Q4 2010 | 2010-12-31 | $2.47B | $637.0M | +34.77% |
| Q3 2010 | 2010-09-30 | $1.54B | −$62.0M | −3.88% |
| Q2 2010 | 2010-06-30 | $1.63B | −$32.0M | −1.93% |
| Q1 2010 | 2010-03-31 | $1.63B | $151.0M | +10.20% |
| Q4 2009 | 2009-12-31 | $1.83B | — | — |
| Q3 2009 | 2009-09-30 | $1.60B | $1.0M | +0.06% |
| Q2 2009 | 2009-06-30 | $1.66B | −$39.0M | −2.29% |
| Q1 2009 | 2009-03-31 | $1.48B | — | — |
| Q3 2008 | 2008-09-30 | $1.60B | — | — |
| Q2 2008 | 2008-06-30 | $1.70B | — | — |
Aon operating expenses trends
Over the last five fiscal years, Aon's operating expenses increased from $8.29B to $12.84B, a change of $4.55B. The latest reported quarter, Q2 2026, shows $3.33B.
What operating expenses mean
Operating expenses are the recurring costs of running a company’s business beyond the direct costs used to calculate gross profit. They commonly include selling, general and administrative expenses, research and development, and other operating costs.
SEC-reported and calculated operating expenses
TickerStat uses operating expenses reported in company SEC filings when available. When a separate total is unavailable, it calculates operating expenses as aligned gross profit minus operating income for the same fiscal period. Fiscal periods can differ from calendar years, so exact period-end dates are included.
Review Aon source filings ↗