Six layers, none optional. Missing one does not make the signature worthless — it makes it a liability for whoever relied on it.
Anyone can put a tick on a page. A verification body is the organisation that can be sued for being wrong, and that is a legal structure, not a graphic identity.
| Layer | What it means | What it costs to fake |
|---|---|---|
| Legal form | A legal entity that can carry liability and be sued | A contract |
| Governance | An impartiality committee with a veto | A meeting cadence |
| Competence | Verifiers with documented training and assessment | Years of records |
| Metrology | Traceable measurement, calibrated instruments | Certificates with dates |
| Accreditation | ISO/IEC 17065 and ISO 14065 assessed by a national body | 12–18 months |
| Liability | Professional indemnity sized to the claims | A premium |
Accreditation is an assessment of the organisation, not of a product. A national body audits your files, interviews your reviewers, watches a real case, and comes back annually. It takes twelve to eighteen months and costs more than everything else on the list combined.
It also converts your statement from “we think” into “a third party checked that we are allowed to think”. In procurement that difference decides whether the document is admissible.
If nobody can be held responsible for a carbon claim, the claim is a marketing asset. That is fine as long as it is described that way. The trouble starts when a buyer, a lender or a regulator relies on it as if it were evidence.
This note describes our method and commercial position. It is not a verification statement and carries no assurance. Under the two-track plan the certification conclusion is signed by a licensed partner; this site issues the method, the evidence grades and the register.