Goldsmith's Company Assay Office
Jewelry Stores
Goldsmiths' Hall, Gutter Ln, London EC2V 8AQ
Most Recent Comments
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January 2024
Trying to trace an old registration. Help was prompt and efficient and although not simple the respondents were thorough and very helpful. I wish more companies responded in this warm and efficient manner.
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December 2023
Really helpful dealing with the return of my sponsor's mark punches after many years of making jewellery.
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November 2023
Usually reliable service. But must be the only company in the world who, if they make a mistake and ruin your work they don't offer any compensation or refund ??
More Comments(54)
From Goldsmith's Company Assay Office
For seven centuries London Assay Office has been responsible for testing and hallmarking precious metals. The first UK Assay Office was founded at Goldsmiths' Hall from where the term "hallmarking" originates.
Now we regularly hallmark 2-3 million articles each year at our 4 sites across London.
A hallmark:
- Is a set of component marks applied to articles of gold, silver, platinum or palladium.
- Means that the article has been independently tested.
- Verifies that it conforms to all legal standards of purity (fineness).
- Enables authentication of provenance by telling us where the piece was hallmarked, what the article is made from, and who sent the article for hallmarking.
