WTW · 10-Q · 2026Q3 · Full report

Income Tax Rate Changes

WILLIS TOWERS WATSON PLC · 2026-10-29 · Importance 45 · Surprise 64

WTW’s U.S. GAAP tax rate for the nine months ended September 30, 2026 was 19.3%, compared with 12.0% in the prior-year period. The prior-year nine-month rate was lower because of favorable discrete tax items, primarily provision-to-tax-return adjustments. The current-year adjusted tax rate was 20.6% for nine months, versus 21.2% a year earlier; the quarterly adjusted rate was 21.9%, versus 22.4%, primarily reflecting the geographical distribution of profits.

Key facts

• WTW’s effective tax rate was 19.3% for the nine months ended September 30, 2026, compared with 12.0% for the prior-year period; the prior-year rate was lower due to favorable discrete tax items, primarily provision-to-tax return adjustments. source
• WTW’s effective tax rate was 19.5% for the three months ended September 30, 2026, compared with 19.7% for the prior-year quarter. source
• WTW’s U.S. GAAP tax rates were 19.5% for the three months and 19.3% for the nine months ended September 30, 2026. source
• WTW’s nine-month 2025 U.S. GAAP effective tax rate was lower because of favorable discrete tax items, primarily provision-to-tax return adjustments. source
• WTW’s adjusted income tax rates were 21.9% for the three months and 20.6% for the nine months ended September 30, 2026. source
• WTW’s adjusted tax rate for the current-year quarter was lower primarily because of the geographical distribution of profits. source