Independent carbon credit ratings for buyers, financial institutions, and market platforms. Explore carbon credit ratings

Carbon Credit Ratings

Our Carbon Credit Rating

Valence Four issues independent carbon credit ratings for voluntary and compliance carbon markets. Our rating scale gives market participants a reliable, comparable signal of credit quality.

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Valence Four Carbon Credit Rating

A credit-level rating that assesses the quality of a specific carbon credit issuance. Evaluates additionality, permanence, verification quality, evidence strength, and co-benefits against our four-bond framework.

Explore carbon credit rating

Rating Scale

From AAA to D - a scale you can act on.

AAAExceptionalOutstanding additionality, permanence, verification, and co-benefits. Highest confidence in credit integrity.
AAVery StrongStrong performance across all four evaluation dimensions with minor reservations.
AStrongAbove average quality. Minor weaknesses in one dimension do not materially affect integrity.
BBAdequateMeets minimum quality thresholds. Some vulnerabilities in evidence quality or verification present.
BWeakBelow average. Material concerns in one or more evaluation dimensions.
CVery WeakSignificant deficiencies. High risk of over-crediting or greenwashing.
DFailedDoes not meet minimum integrity standards. Rating withdrawn or project found to be fraudulent.

Why it matters

Ratings make carbon markets work.

Without consistent, independent ratings, buyers cannot distinguish high-quality offsets from low-integrity credits. Valence Four ratings bring the transparency and credibility that carbon markets need to scale responsibly.

Pilot

Programme stage

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Rating levels

Evidence

Driven by review