Willis Towers Watson PLC revenue by year
Over the 10 fiscal years shown, revenue went from $7.89B (year ended Dec 31, 2016) to $9.71B (year ended Dec 31, 2025), a compound annual growth rate of 2.3%. The fastest growth was +7.0% in the year ended Dec 31, 2023; the weakest year was −2.2% (year ended Dec 31, 2025).
Annual revenue
| Fiscal year ended | Revenue (USD) | Change | XBRL concept | Reported in |
|---|---|---|---|---|
| Dec 31, 2025 | $9.71B | −2.2% | Revenues | 10-K filed Feb 25, 2026 |
| Dec 31, 2024 | $9.93B | +4.7% | Revenues | 10-K filed Feb 25, 2026 |
| Dec 31, 2023 | $9.48B | +7.0% | Revenues | 10-K filed Feb 25, 2026 |
| Dec 31, 2022 | $8.87B | −1.5% | Revenues | 10-K filed Feb 25, 2025 |
| Dec 31, 2021 | $9.00B | +4.4% | Revenues | 10-K filed Feb 22, 2024 |
| Dec 31, 2020 | $8.62B | +2.9% | Revenues | 10-K filed Feb 24, 2023 |
| Dec 31, 2019 | $8.37B | −1.7% | Revenues | 10-K filed Feb 24, 2022 |
| Dec 31, 2018 | $8.51B | +3.8% | Revenues | 10-K filed Feb 23, 2021 |
| Dec 31, 2017 | $8.20B | +4.0% | Revenues | 10-K filed Feb 26, 2020 |
| Dec 31, 2016 | $7.89B | +106.0% | Revenues | 10-K filed Feb 27, 2019 |
Quarterly revenue
Quarters reported in 10-Q filings. Fourth quarters are usually reported only inside the annual 10-K, so they are not listed separately here; we do not estimate them.
| Quarter | Revenue (USD) | vs same quarter a year earlier | Source |
|---|---|---|---|
| 3 months ended Sep 30, 2026 | $2.46B | +7.5% | 10-Q filed Oct 29, 2026 |
| 3 months ended Jun 30, 2026 | $2.47B | +9.1% | 10-Q filed Jul 30, 2026 |
| 3 months ended Mar 31, 2026 | $2.41B | +8.5% | 10-Q filed Apr 30, 2026 |
| 3 months ended Sep 30, 2025 | $2.29B | −0.0% | 10-Q filed Oct 29, 2026 |
| 3 months ended Jun 30, 2025 | $2.26B | −0.2% | 10-Q filed Jul 30, 2026 |
| 3 months ended Mar 31, 2025 | $2.22B | −5.0% | 10-Q filed Apr 30, 2026 |
| 3 months ended Sep 30, 2024 | $2.29B | +5.7% | 10-Q filed Oct 30, 2025 |
| 3 months ended Jun 30, 2024 | $2.27B | +4.9% | 10-Q filed Aug 1, 2025 |
Source: SEC EDGAR XBRL company facts for CIK 1140536 (raw data). Most recent filing in this dataset: 10-Q filed Oct 29, 2026. SEC data file dated Nov 3, 2026; page built Nov 5, 2026. Figures are as most recently reported, including restatements. How we select figures.