How to verify accreditation of an overseas testing laboratory

An accreditation logo on a website is a starting point, not proof. Verification means confirming the accreditation body is recognised, the certificate is current, and the exact site and test you need appear in the scope.

Seven-step verification

Common gaps

Programme-specific recognition

Some work needs more than ISO/IEC 17025: GLP compliance for nonclinical safety studies, CLIA for US clinical testing, OSHA NRTL recognition for US product safety certification, or EPA/state certification for regulated drinking-water analysis. Check the programme's own list.

Laboratory Vortex is an independent sourcing marketplace — not a laboratory, accreditation body, certification body or regulator. Verify every credential and its exact scope in the official directory before relying on a result. Laboratory quality depends on the specific facility, scope, methods and controls, never on the country where it operates.