Certificates issued in 3–7 working days

Verify a certificate

Enter a certificate number to check instantly whether it was issued by us, who it belongs to, and whether it is still valid. Free, and open to anyone.

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Check a certificate number

Type the number exactly as printed on the document, including the TGS or TQC prefix and the hyphen — for example TGS0826-4821.

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Request a formal verification letter

Tender committees and auditors often need confirmation on letterhead rather than a screenshot. Tell us the certificate number and we will email you a signed verification statement — free of charge.

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Your details are stored securely and used only to answer your enquiry.

Genuine certificates

Show the organisation, standard, scope and validity dates exactly as issued.

Expired certificates

Are shown clearly as expired — never displayed as though they were still in force.

Nothing found?

Check the number for typos. If it still does not appear, report it — we investigate every case.