The WACC of Willis Towers Watson PLC (WLTW) is 6.9%.
| Range | Selected | |
| Cost of equity | 6.30% - 8.70% | 7.50% |
| Tax rate | 19.10% - 22.80% | 20.95% |
| Cost of debt | 5.00% - 5.00% | 5.00% |
| WACC | 6.0% - 7.9% | 6.9% |
| Category | Low | High |
| Long-term bond rate | 3.2% | 3.7% |
| Equity market risk premium | 4.2% | 5.2% |
| Adjusted beta | 0.74 | 0.86 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 6.30% | 8.70% |
| Tax rate | 19.10% | 22.80% |
| Debt/Equity ratio | 0.19 | 0.19 |
| Cost of debt | 5.00% | 5.00% |
| After-tax WACC | 6.0% | 7.9% |
| Selected WACC | 6.9% | |