Provider directory

They have just worked out their emissions. Be who they call.

A short, selected list of carbon consultants, verifiers and software — in front of the people finishing calculations on GreenCalculus, at the moment they are deciding what to do next.

Every listing is reviewed before it goes live. Sponsored listings sit in their own section above the curated one, never mixed in.

Browse

What do you need done?

Categories are the job, not the jargon — pick the one that matches the problem in front of you.

Assurance & verificationIndependent bodies and practitioners who verify a greenhouse-gas inventory or report against a standard such as ISO 14064-3 — the people you go to once a number has to survive scrutiny.2 listedCarbon accounting & inventoryConsultants who build and maintain a corporate greenhouse-gas inventory across Scopes 1, 2 and 3, from a first footprint through to the annual reporting cycle.4 listedCarbon softwarePlatforms and tools for collecting activity data, calculating emissions and producing disclosures — listed as software, not as consultancy.2 listedEmbodied carbon & LCAPractitioners producing life-cycle assessments, EPDs and whole-life carbon assessments for products and buildings, to EN 15978, EN 15804 or ISO 14040/44.2 listedFinanced emissionsSpecialists in measuring the emissions attributable to loans and investments under the PCAF standard, for banks, asset managers and insurers.1 listedRegulatory reportingAdvisers on mandatory disclosure and border-carbon regimes — CSRD and ESRS E1, CBAM, UK SECR and the Californian climate-disclosure rules.3 listed

For providers

Why pay to be here

Not traffic. Timing. Everyone reading this page arrived from a calculation they just finished.

The moment, not the impression

These are people who have a number in front of them and a decision to make about it — not someone three pages into a search.

A short list, not a database

Sponsored listings never outnumber the curated ones in a category, so the page is never mostly advertising — and you are one of a handful, not one of four hundred.

You will know if it worked

We count every enquiry your profile sends you and tell you the number. Renew on evidence, not on faith.

How it works

  1. Pay by card — $390 a year or $39 a month, through Stripe.
  2. Fill in your profile — the form opens the moment you pay, and we email you a link to it as well. Ten minutes.
  3. We review and publish — usually within a working day. Cancel any time; the listing runs to the end of the period you paid for.

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

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