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Anthesis Group

Sustainability consultancy covering corporate carbon reporting, SBTi targets and EU disclosure regimes.

Anthesis Group is a sustainability consultancy working across corporate climate and carbon reporting, including SBTi Corporate Net-Zero Standard, CSRD and ESRS disclosure, CBAM, and CDP reporting, with teams in multiple countries.

Why we listed them

Listed as the large-firm option. They publish which disclosure regimes they work to — CSRD and ESRS, CBAM, CDP — which is what matters when the requirement is regulatory rather than voluntary.

We selected this listing ourselves. Nobody paid for it, and nothing was promised in exchange.

Compiled from their own published information in August 2026. We re-check listings annually. Tell us if anything here is out of date.

Listings are not recommendations, endorsements or an assurance of quality, and we do not verify providers’ claims. Nothing here influences our emission factors, methodology or calculator results.

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KERAMIDA

United States

US engineering and sustainability firm building GHG Protocol inventories across Scopes 1, 2 and 3, with SBTi target and disclosure support.

Why we listed themListed as a US full-stack option: inventory, verification and LCA under one roof, with every claimed standard named on their own pages rather than described as proprietary method.

GHG Protocol Corporate StandardISO 14064-3 Validation and Verification of GHG StatementsISO 14040 / ISO 14044 Life Cycle AssessmentSBTi Corporate Net-Zero Standard
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