The largest logo on a certificate is not always the identity of the laboratory that performed the analysis. A supplier can share a laboratory report, add a cover sheet or summarise results under its own branding. Checking the issuer means identifying who takes responsibility for the specific document and how that responsibility can be confirmed.
Read the named roles before interpreting branding
NIST’s reporting crosswalk distinguishes laboratory identity, measurement location and customer information. These fields identify different participants and should not be collapsed into one organisation name.NIST — Reporting-results crosswalk (opens in a new tab)
| Role | Possible involvement |
|---|---|
| Supplier | Sells the material and shares the report |
| Submitting customer | Orders testing and provides sample information |
| Testing laboratory | Carries out specified analytical work |
| Report issuer | Authorises and releases the document |
One organisation may occupy several roles, but that is a fact to establish rather than assume. A distributor’s logo on a cover page does not identify the people or site that performed the tests.
Look for a laboratory name and address, a report identifier and an authorisation section within the report itself. If only the supplier summary is available, describe it as that until the underlying source is established.
Locate a confirmation route independently
SGS, for example, provides an official service for verifying documents claimed to carry its branding and asks users to attach the document. This illustrates an issuer-run confirmation route; it does not establish that SGS tested any Novum product.SGS — Verify SGS documents (opens in a new tab)
Start from the organisation’s independently located official website and find its document-verification or contact process. This avoids relying only on an address or link printed on the document being checked.
Match the legal or operating name and site where possible. Similar names, trading names and group subsidiaries may require clarification. A real organisation’s existence does not prove that it issued the particular PDF in hand.
Use the relevant issuer’s process and confirm that the document can be shared through it. If the file contains confidential customer information, the submitting customer may need to arrange verification.
Record what the issuer actually confirms
An original confirmation might say that report R-042, revision 1, was issued by the laboratory on a particular date. That supports a document-provenance statement. It does not automatically confirm how a seller selected the submitted vial or whether a later shipment came from the same lot.
A narrower response might confirm that the report number exists without comparing the attached content. Keep those outcomes separate. Existence of an identifier and confirmation of an unchanged complete report are different levels of evidence.
An issuer may require the submitting customer’s involvement or decline to disclose confidential details. That can leave verification unresolved without proving either authenticity or fraud.
Handle unclear responsibility without guessing
If a report refers to an external provider, ask which measurements that provider performed and who issued the final result. Avoid assuming that every test was performed in the laboratory whose logo is visible.
If the supplier created a results summary, request the report that supports the summary and compare the relevant fields. The summary may be accurate, but its relationship to the analytical source still needs to be visible.
Keep the original file, where it was obtained and any issuer response together. This creates a reviewable record of what was checked rather than a memory that the report “looked legitimate”.
Sources and further detail
- NIST — Reporting-results crosswalk (opens in a new tab)
Official 2018 one-page crosswalk; laboratory, site and customer fields briefly summarised, not the full ISO standard.
- SGS — Verify SGS documents (opens in a new tab)
Official issuer verification service checked. Example only; no affiliation, document submission or Novum testing claim.
Sources checked 19 September 2026. Worked examples are illustrative unless a supplied report is explicitly identified. This article has not undergone independent scientific peer review.