| Segment / region | Type | Fiscal year | Currency | Revenue (millions) | Share of revenue |
|---|---|---|---|---|---|
| UNITED STATES | Region | 2025 | USD | 8,279.0 | 53.3% |
| Europe, Middle East, And Africa | Region | 2025 | USD | 3,153.0 | 20.3% |
| UNITED KINGDOM | Region | 2025 | USD | 2,220.0 | 14.3% |
| Asia Pacific | Region | 2025 | USD | 1,711.0 | 11.0% |
| IRELAND | Region | 2025 | USD | 185.0 | 1.2% |
| UNITED STATES | Region | 2024 | USD | 7,666.0 | 53.4% |
| Europe, Middle East, And Africa | Region | 2024 | USD | 2,900.0 | 20.2% |
| UNITED KINGDOM | Region | 2024 | USD | 1,975.0 | 13.8% |
| Asia Pacific | Region | 2024 | USD | 1,676.0 | 11.7% |
| IRELAND | Region | 2024 | USD | 146.0 | 1.0% |
| UNITED STATES | Region | 2023 | USD | 5,923.0 | 44.3% |
| Europe, Middle East, And Africa | Region | 2023 | USD | 2,672.0 | 20.0% |
| UNITED KINGDOM | Region | 2023 | USD | 1,819.0 | 13.6% |
| Asia Pacific | Region | 2023 | USD | 1,589.0 | 11.9% |
| Americas, Other than United States | Region | 2023 | USD | 1,260.0 | 9.4% |
| IRELAND | Region | 2023 | USD | 113.0 | 0.8% |
| UNITED STATES | Region | 2022 | USD | 5,666.0 | 45.4% |
| Europe, Middle East, And Africa | Region | 2022 | USD | 2,443.0 | 19.6% |
| UNITED KINGDOM | Region | 2022 | USD | 1,660.0 | 13.3% |
| Asia Pacific | Region | 2022 | USD | 1,474.0 | 11.8% |
| Americas, Other than United States | Region | 2022 | USD | 1,137.0 | 9.1% |
| IRELAND | Region | 2022 | USD | 99.0 | 0.8% |
| UNITED STATES | Region | 2021 | USD | 5,459.0 | 44.8% |
| Europe, Middle East, And Africa | Region | 2021 | USD | 2,565.0 | 21.0% |
| UNITED KINGDOM | Region | 2021 | USD | 1,681.0 | 13.8% |
| Asia Pacific | Region | 2021 | USD | 1,334.0 | 10.9% |
| Americas, Other than United States | Region | 2021 | USD | 1,027.0 | 8.4% |
| IRELAND | Region | 2021 | USD | 127.0 | 1.0% |
| UNITED STATES | Region | 2020 | USD | 5,032.0 | 45.5% |
| Europe, Middle East, And Africa | Region | 2020 | USD | 2,236.0 | 20.2% |
| UNITED KINGDOM | Region | 2020 | USD | 1,579.0 | 14.3% |
| Asia Pacific | Region | 2020 | USD | 1,224.0 | 11.1% |
| Americas, Other than United States | Region | 2020 | USD | 911.0 | 8.2% |
| IRELAND | Region | 2020 | USD | 84.0 | 0.8% |
| Risk Capital Segment | Product | 2025 | USD | 11,290.0 | 65.7% |
| Human Capital Segment | Product | 2025 | USD | 5,907.0 | 34.4% |
| Risk Capital Segment | Product | 2024 | USD | 10,517.0 | 66.9% |
| Human Capital Segment | Product | 2024 | USD | 5,209.0 | 33.1% |
| Commercial Risk Solutions | Product | 2023 | USD | 7,043.0 | 52.6% |
| Reinsurance | Product | 2023 | USD | 2,481.0 | 18.5% |
| Health | Product | 2023 | USD | 2,433.0 | 18.2% |
| Wealth Solutions | Product | 2023 | USD | 1,431.0 | 10.7% |
| Commercial Risk Solutions | Product | 2022 | USD | 6,715.0 | 53.7% |
| Health | Product | 2022 | USD | 2,224.0 | 17.8% |
| Reinsurance | Product | 2022 | USD | 2,190.0 | 17.5% |
| Wealth Solutions | Product | 2022 | USD | 1,367.0 | 10.9% |
| Commercial Risk Solutions | Product | 2021 | USD | 6,635.0 | 54.3% |
| Health | Product | 2021 | USD | 2,154.0 | 17.6% |
| Reinsurance | Product | 2021 | USD | 1,997.0 | 16.4% |
| Wealth Solutions | Product | 2021 | USD | 1,426.0 | 11.7% |
| P&C Advisory | Product | 2020 | USD | 4,690.0 | 42.3% |
| Reinsurance | Product | 2020 | USD | 1,814.0 | 16.4% |
| Retirement | Product | 2020 | USD | 1,753.0 | 15.8% |
| Health | Product | 2020 | USD | 1,655.0 | 14.9% |
| Data Solutions | Product | 2020 | USD | 1,171.0 | 10.6% |
Product and geographic breakdowns describe the same revenue from different perspectives and should not be added together.
