The WACC of Serco Group PLC (SRP.L) is 8.2%.
| Range | Selected | |
| Cost of equity | 8.80% - 11.50% | 10.15% |
| Tax rate | 20.00% - 27.70% | 23.85% |
| Cost of debt | 4.00% - 5.10% | 4.55% |
| WACC | 7.2% - 9.2% | 8.2% |
| Category | Low | High |
| Long-term bond rate | 4.0% | 4.5% |
| Equity market risk premium | 6.0% | 7.0% |
| Adjusted beta | 0.81 | 0.93 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 8.80% | 11.50% |
| Tax rate | 20.00% | 27.70% |
| Debt/Equity ratio | 0.42 | 0.42 |
| Cost of debt | 4.00% | 5.10% |
| After-tax WACC | 7.2% | 9.2% |
| Selected WACC | 8.2% | |