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
Alignment with the Core Carbon Principles of the ICVCM
Find quality through unmatched depth and breadth of coverage
Large number of rated credit types, from nature to
technology-based projects
The most credit ratings of any carbon credit ratings agency
We bring awareness to high impact, emerging credit types
900+
GHG ratings
450+
SDG ratings
25+
Project types rated
Featured report
The State of Quality and Pricing in the VCM, 2025
Quality and confidence are necessary to turn the VCM into a thriving market that delivers large-scale, impactful climate action. So how is the market doing in its effort to course correct?
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.’
‘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
Corporate buyers
Our methodical evaluation of over 900+ emission reduction and removal claims and 450+ sustainable development goal claims allows you to easily find
reliable carbon credits that bring you and your stakeholders
confidence.
Traders, brokers & investors
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.
Risk managers
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.
