Aon plc (AON) closed fiscal year 2025 with a gross margin of 47.7 % and a net margin of 21.5 %.
Aon plc (AON) closed fiscal year 2025 with a gross margin of 47.7 % and a net margin of 21.5 %. The same year shows an EBITDA margin of 26.4 % and an EBIT margin of 25.3 %. The free cash flow margin was 18.7 %. Against the previous year the gross margin moved +0.5 pp and the net margin +4.6 pp. Across the period the gross margin ranges between 47.2 % in 2024 and 48.4 % in 2023. The series covers 19 fiscal years, from 2007 to 2025. Margins are expressed as a percentage of net revenue and are derived from the same figures as the income statement, taken from as-reported SEC EDGAR filings, with no restatements or adjustments of our own.
Fiscal year end: December
| 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Gross margin (%) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 48.10 % | 48.40 % | 47.24 % | 47.70 % |
| EBITDA margin (%) | — | 15.44 % | 15.40 % | 16.39 % | 16.09 % | 15.88 % | 16.17 % | 18.33 % | 18.47 % | 20.97 % | 12.52 % | 15.97 % | 21.26 % | 26.64 % | 18.61 % | 30.61 % | 29.55 % | 25.60 % | 26.38 % |
| EBIT margin (%) | 13.87 % | 12.49 % | 13.44 % | 14.61 % | 14.14 % | 13.86 % | 14.14 % | 16.32 % | 16.74 % | 19.25 % | 10.65 % | 14.34 % | 19.69 % | 25.13 % | 17.14 % | 29.40 % | 28.30 % | 24.43 % | 25.28 % |
| Net margin (%) | 11.94 % | 19.42 % | 9.84 % | 8.29 % | 8.67 % | 8.62 % | 9.42 % | 11.60 % | 14.61 % | 14.84 % | 12.26 % | 10.53 % | 13.91 % | 17.79 % | 10.29 % | 20.75 % | 19.17 % | 16.91 % | 21.51 % |
| FCF margin (%) | 15.11 % | 11.49 % | 4.74 % | 7.08 % | 6.88 % | 9.99 % | 12.90 % | 12.92 % | 19.08 % | 23.06 % | 5.51 % | 13.43 % | 14.62 % | 23.87 % | 16.77 % | 24.22 % | 23.80 % | 17.94 % | 18.73 % |
