Horizon Analytical is a testing lab in Golden, CO. As of Nov 6, 2026, 1 vendor we track publishes COAs from it, and it ran 3 COAs of those we checked. This page lists facts about the lab and how to check one of its reports. We don't rate labs or judge their results.
Its terms describe it as Horizon Analytical LLC, a Delaware company.
Open horizonanalytical.com/verify-coa and enter the 7-digit report number. The lot number is optional. The lab's record should show the same client, lot and results as the copy the vendor posts.
As of , we found no ISO/IEC 17025 accreditation for Horizon Analytical in the accreditation bodies' directories. ISO/IEC 17025 is the international standard for testing lab competence. An accreditation covers only the methods listed in its scope.
Per horizonanalytical.com, Horizon Analytical offers:
Each count is the number of the vendor's sampled COAs this lab ran, out of those we checked.
Facts come from the lab's own site and the accreditation bodies' directories. The vendor list comes from the COAs on each vendor page. How lab testing is counted →
