Tree planting carbon offset project in sub-Saharan Africa

Trust-first carbon marketplace

Procure carbon offsets you can defend.

Every credit carries a five-dimension quality score traceable to verifiable evidence.

Browse marketplace Estimate my footprint How it works

All quality assessments on CarbSet are provisional until independently verified. Grades marked “Provisional” have not been confirmed by an external verifier.

Featuring credits from verified registries including

Credits listed

Projects covered

Quality assessments

The trust layer for carbon markets

CarbSet makes quality the organising principle of the voluntary carbon market.

Five dimensions. One grade.

Illustrative preview

AAA

Additionality
Permanence
Measurement accuracy
Co-benefits
Verification rigour

Know your carbon footprint.

Estimate Scope 1 and Scope 2 emissions. Get matched to credits that fit your profile.

Beyond carbon.

Carbon, plastic, water, biodiversity. One platform, one quality framework.

Certificates that prove it.

Every purchase generates a certificate with a unique verification code. Share on LinkedIn. Embed on your website.

Africa and Australia-anchored.

Institutional regulatory coverage. Local payment rails. African carbon projects scored with the same analytical rigour as any other credit.

Why it matters →

Composite gradeAAA

Additionalityscored
Permanencescored
Measurement accuracyscored
Co-benefitsscored
Verification rigourscored

Example assessment. All Phase 1 assessments are provisional.

Five dimensions. One honest verdict.

CarbSet assesses every credit on additionality, permanence, measurement accuracy, co-benefits, and verification rigour. Grades run from AAA (strongest evidence) to D (fails to meet minimum standards). All Phase 1 assessments are provisional; independently confirmed assessments are marked as such.

See the full methodology