| AAA | Leaders | 93.0-100.0 | Governance is demonstrably market-leading, stress-tested, and hard to game. |
| AA | Leaders | 85.0-92.99 | Governance is comprehensive, well evidenced, and consistently effective. |
| A | Governance-Ready | 77.0-84.99 | Governance is strong, but not yet leader-level across the full framework. |
| BBB | Governance-Ready | 70.0-76.99 | Governance meets an institutional baseline with visible gaps still to close. |
| BB | Developing | 62.0-69.99 | Governance architecture exists, but execution and proof remain uneven. |
| B | Developing | 54.0-61.99 | Basic governance is present, but important controls are weak, partial, or unproven. |
| CCC | Laggards | 46.0-53.99 | Governance is reactive and materially incomplete. |
| CC | Laggards | 35.0-45.99 | Governance is very weak, with significant exposure across core dimensions. |
| C | Laggards | 25.0-34.99 | Governance exists mostly in name only. |
| D | Disqualified | 0.0-24.99 | Governance failure, severe deficiency, or disqualifying concern. |
| NR | Not Rated | - | Coverage not initiated, insufficient evidence, rating withdrawn/suspended, entity request, or conflict of interest. |