Achieve the gold standard with the Singapore Assay Office

The Singapore Assay Office is an independent body that tests and certifies precious metal articles such as gold, silver, platinum and palladium.

The Singapore Assay Office provides Assaying and Hallmarking services. Assaying services include Fire Assay Cupellation and X-Ray Fluorescence Spectrometry.

Singapore Assay Office's laboratories for assaying services are accredited to ISO/IEC 17025.

News and Updates

Introductory Incentive Program

This is a new rebate program that rewards anyone who recommends new customers to us.

For every new member, the person who recommends gets $100. This will only be paid if the conditions have been fulfilled:The new member must register to become a member of SAO and that the new member must either consistently send in at least $500 per month, or a total of $3000 worth of assaying or hallmarking services in six months.


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SAO Hallmarking Turn-Around-Time is now 5 days or less!


Current Members

Singapore Assay Office
is a division of: