Confidence through rigorous carbon credit ratings
Peer-reviewed, three-phase approach incorporating program, methodology and project-level analysis
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In-depth, evidence-led evaluation of individual SDG impact claims down to target level
Find high-quality carbon credits
Independent ratings, research and insights to make finding quality carbon credits easier
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"Of the rating agencies assessed, Calyx stands out as being more conservative, with a more reliable way of assessing carbon credit quality."
View Carbon Market Watch study highlights
Find quality through unmatched depth and breadth of coverage
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Largest number of rated carbon credit types, from nature to technology-based projects
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The most carbon projects rated of any carbon credit ratings agency at over 500, and counting
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We bring awareness to high impact, emerging credit types
600+
GHG ratings
250+
SDG ratings
19+
Project types rated
Featured report
The State of Quality in the VCM, 2024
Find out if efforts to improve carbon credit quality are paying off. Our inaugural report shares trends in GHG integrity, SDG contributions, and environmental and social risks.
Get insights and analytics only carbon insiders can provide
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Tailored, unbiased research from carbon market professionals
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Research analysts with first-hand experience in countries where projects happen
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Independent oversight panels of leading scientists, academics and carbon accounting and methodology experts
Leading companies choose us
‘Understanding the integrity and impact of carbon projects can be challenging. The ratings and reports of Calyx Global are a great supplement to our own due diligence process. We value the expertise that the Calyx Global team brings.’
‘The rich expertise and experience of the team at Calyx Global has helped us understand projects not only from a scientific perspective, but also with assessed evidence of co-benefit impact.’
‘Their service allows us to compare ratings across a wide range of carbon credits.’
How we help
Our methodical vintage-level evaluation of over 500 emission reduction and
removal claims, plus over 250 sustainable development goal claims, allows you to easily
find reliable carbon credits that bring you and your stakeholders confidence.
Calyx Global analytics, ratings and research are here to help
you discover hidden opportunities that deliver real value for
your business, your clients and the planet.
Our carbon credit ratings can help you find and showcase
high-quality supply, and offer users a richer decision-making
experience when you display them on your platform.
Our exceptionally demanding review process together with
research and carbon market insights will ensure you have the
information you need to make sound decisions that safeguard the
value of your portfolio and the bottom line.
Ready to get started?
Get these features and more with one of our flexible subscription options
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Find carbon credits with real impact and less risk
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Easy access to project-level data and analysis
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Insights and analytics to stay on top of the market
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Q&A access to experts
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Request new project ratings coverage
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Deep project-level research access
