Verify a COA — Public Certificate Database · Gold Standard Analytics
Public COA database

Verify any Gold Standard COA.

Look up a certificate by accession number, search every public COA a brand has on record, or browse the database — no login. If a document claims to be ours and doesn't resolve here, it isn't.

12,400+
PUBLIC COAS ON RECORD
340+
BRANDS SEARCHABLE
0
LOGINS REQUIRED
NOT CASE-SENSITIVE · SPACES AND DASHES IGNORED · THE KEY IS ONLY NEEDED FOR NON-PUBLIC COAS
TRY:
RETURNS EVERY PUBLIC COA ON RECORD FOR THE BRAND · NOT CASE-SENSITIVE
MOST RECENT FIRST · PUBLIC RECORDS ONLY
No public COAs for “{{ companyQ }}”

Brands choose whether their COAs publish publicly. No match can mean the brand tests under a different name — or doesn't test with us.
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ACCESSIONCOMPOUNDCATEGORYCLIENTISSUEDSTATUS
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This record exists — but it isn't public.

The client kept {{ queryShown }} private. Enter the verification key printed beside the accession number on the document to read it. Possession of the paper is the credential.

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Format: GSA-YYYY-NNNNNN
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CERTIFICATE OF ANALYSIS
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ANALYTERESULTSPECIFICATIONSTATUS
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SIGNED (ANALYST)
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REVIEWED (QA)
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SCAN TO VERIFY
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✓ This certificate matches Gold Standard Analytics records · verified {{ nowStamp }}
1,372+
COAs published & searchable
100%
of results published — passes and failures alike
0.8%
failure rate on file — published anyway
How verification works

Proof anyone can check.

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WHERE TO FIND IT — TOP-RIGHT OF EVERY COA
CERTIFICATE OF ANALYSIS
ACCESSIONGSA-2026-018432
VERIFICATION KEYK7Q2-••••
ISSUED2026-04-09
THE QR CODE OPENS THIS PAGE WITH BOTH FIELDS PRE-FILLED