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."

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Confidence through rigorous carbon credit ratings

Peer-reviewed, three-phase approach incorporating program, methodology and project-level analysis
In-depth, evidence-led evaluation of individual SDG impact claims down to target level

Find quality through unmatched depth and breadth of coverage

Largest number of rated carbon credit types, from nature to technology-based projects
The most carbon projects rated of any carbon credit ratings agency at over 500, and counting
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.

Read now

Get insights and analytics carbon insiders

Get insights and analytics only carbon insiders can provide

Tailored, unbiased research from carbon market professionals
Research analysts with first-hand experience in countries where projects happen
Independent oversight panels of leading scientists, academics and carbon accounting and methodology experts

Leading companies choose us

‘We value Calyx’s rigorous, evidence-first approach to ratings and exceptional client service.’

John-O Niles

Senior Manager, Natural Climate Solutions, Saleforce

‘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.’

Jacob Bourgeois

Head of Operations Strategy and Innovation, Volkswagen ClimatePartner GmbH

‘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.’

Narang Kim

Manager Carbon Desk, BHP

‘Their service allows us to compare ratings across a wide range of carbon credits.’

Charles Bedford

Chief Impact Officer, Carbon Growth Partners

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.

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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.

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Find carbon credits with real impact and less risk
Easy access to project-level data and analysis
Insights and analytics to stay on top of the market
Q&A access to experts
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Deep project-level research access

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