Evidence-based rating
Your score comes from validated emissions and ESG data on the Quantisage AI platform, not a self-assessment form.
HomeESG Certificate
The ESG Certificate for U.S. companies.
A verified ESG rating built on validated data — for your company and your suppliers. Turn the compliance work you’re already doing into a credential that buyers, primes and lenders trust.
What it is
Not self-reported. Verified.
Most ESG scores rest on questionnaires a company fills in about itself. The Quantisage ESG Certificate is derived from data we’ve measured and validated — so it actually means something.
Companies & suppliers
Rate your own business and onboard your suppliers, so you can see and improve your full value chain.
A shareable credential
A certificate and badge you can put in bids, on your site, and in front of procurement teams and banks.
How you get certified
From data to credential.
Assess & validate
Connect your data, measure your footprint and ESG indicators, and have them validated by our team.
Score & rate
Quantisage scores your performance against a transparent, sector-aware methodology.
Certify & publish
Receive your certificate and badge — and re-certify as your data and performance evolve.
Use cases
A credential that opens doors.
Win & keep contracts
Meet the sustainability criteria in RFPs and large-buyer procurement programs with verified proof.
Answer your customers
Give enterprise customers the supplier data they need for their own Scope 3 reporting.
Access finance
Support applications for sustainability-linked loans and green financing with credible numbers.
The rating scale
A clear, transparent tier system.
Performance is expressed on a simple, sector-aware scale — so a rating is easy to communicate and easy to improve against.
Leading
Top-decile performance with verified targets and reductions underway.
Advanced
Strong, validated performance and a credible decarbonization plan.
Established
Solid measurement and disclosure foundations in place.
Developing
Getting started — measuring, with a clear path to improve.
The Quantisage ESG Certificate is an independent, evidence-based rating issued by Quantisage. It complements, and does not replace, statutory disclosure or third-party assurance obligations.