Company Information



Assay Office Birmingham is a not-for-profit organisation and was founded by An Act of Parliament in 1773.  It has a long established reputation within the jewellery trade as an independent centre of quality assessment and expert opinion.  Millions of gold, silver, platinum and palladium articles arrive here every year to be tested, to ensure that they contain the legal amount of precious metal, prior to being hallmarked. This statutory duty, one of the earliest forms of consumer protection, is still carried out in much the same way it has been for almost 250 years, although the process is now assisted by the latest technology such as X-Ray fluorescence testing and laser marking. 

During  recent times it has expanded its services further, far beyond its statutory assaying and hallmarking duties.  The Organisation is committed to investing in future expansion and in addition to its statutory hallmarking duty, Assay Office Birmingham also continues to develop a significant range of product quality assurance and safety services.

These are all delivered by IN-HOUSE EXPERTS using a wide range of sophisticated equipment. Assay Office Birmingham prides itself on the high level of service provided and the use of the latest technology by all its commercial divisions, from hallmarking, diamond and gemstone certification, jewellery, watch and silverware valuations, through to precious and non precious metal analysis, fashion accessories, leather and textiles testing, as well as educational training and consultancy.

For more information T: 0871 871 6020 You can also contact us here.   


AnchorCert Analytical offers independent expert analysis across a range of sectors.  It is one of the UK’s leading test houses for Precious Metal Analysis and Nickel Compliance.  Thousands of watches and pieces of jewellery, both precious and costume, are tested here every year to make sure they comply with the European regulations for nickel release and lead and cadmium content. The Laboratory also carries out precious metal analysis for all sectors involved in manufacturing and selling precious metals on a daily basis. Precious metal analysis is its traditional specialism but The Laboratory has also established expertise in testing costume jewellery, watches, fashion accessories, leather goods, textiles, toys and other consumer goods.

The Laboratory has been the subject of considerable ongoing investment in state-of-the-art equipment and facilities. This, coupled with innovative new methods and the continuous professional development of all technical personnel, has put The Laboratory at the forefront of analytical technology.  A credible, accurate and accredited report from a highly respected, independent organisation such as The Analytical Laboratory adds confidence and protects buyers and sellers in many sectors. 


AnchorCert Gem Lab has developed into a major new brand in the jewellery trade.  Thousands of diamonds are graded and reports generated every year, offering the consumer the reassurance that they can know exactly what they are buying. AnchorCert Gem Lab provides White Diamond Reports, Coloured Diamond and Coloured Gemstone reports, including Ruby, Sapphire, Emerald, Jade and Tanzanite, as well as Pearl identification and laser inscription services.  AnchorCert Reports are provided by a team of highly qualified gemmologists who combine their expertise with state of the art equipment to provide fair and accurate reports.  Diamonds are graded to GIA master stones and nomenclature.


Jewellery, Watch & Silverware Valuations are provided for insurance Replacement, Probate, Family Division, Second Hand Replacement and Expert Opinion.  Valuations days are regularly held at Assay Office Birmingham.  Jewellery items can also be sent in via secure carrier for valuation and for those with larger collections home visits can be arranged.   

The jewellery valuation service provides in-store event days for major high street and independent retailers.  The service is also available for private individuals, insurance brokers, loss adjusters, Trading Standards, legal professions, civic organisations, livery companies, universities, museums and the Police.  


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