Navigate carbon markets with confidence

Independent carbon credit ratings, research and market insight, making it easier to find your way in carbon markets.

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Calyx Ratings Service

TRUSTED BY

Volkswagon
Cloverly
Duke
Saleforce
Banco Santander
meta
South West
Confidence through rigorous carbon credit ratings

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

  • 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

450+

GHG ratings

200+

SDG ratings

15+

Project types rated

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 evaluation of over 450 emission reduction and removal claims and 200 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

  • 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

  • Request new project ratings coverage

  • Deep project-level research access