Sigma Metalytics is a family owned and operated business based in California. We design and manufacture the line of Precious Metal Verifiers which rapidly, accurately, and non-destructively authenticate precious metal coins and bars, even through plastic and cases, using resistivity and density.

Our engineers diligently build, calibrate, and test each Precious Metal Verifier by hand to ensure they are the finest quality and have the highest accuracy.

We are trusted by precious metal experts, professionals, and investors at all levels of the industry, from major retailers to private collectors across the globe, to deliver industry leading precious metal testing equipment.