Using state-of-the-art non-contact laser hallmarking equipment, provided by Edinburgh Assay Office, we provide British hallmarking and convention marks for silver, gold, jewellery and precious metals. And because we do this on-site at our own facilities, our hallmarking is more efficient which ensures faster turnaround times for clients who are kept informed at every step of the assay service.
In the UK, and most other European markets, items of gold, silver, platinum, and palladium (over a certain weight threshold) must undergo testing to determine its precious metal content and quality – know as assay – and hallmarking by a government-authorised assay office as a pre-market authorisation.
British Hallmarks, stamped by a UK assay office, verify that an alloy’s precious metal content meets national and international standards of purity and fineness. It is illegal to offer such items for sale without a recognised hallmark.
Discover the methods and procedures involved for British hallmarking in our exclusive video below.
Our on-site hallmarking at our London Heathrow location is provided by Edinburgh Assay Office, and uses the latest technology to deliver the highest-quality British hallmarks and convention marks for precious metal pieces and jewellery. Hallmarks for sliver and gold, as well as hallmarking for platinum and palladium, are applied using advanced non-contact laser marking, ensuring flawless marks with no risk of damage to finished pieces.
Edinburgh Assay Office also employs next-generation XRF testing and screening technology at our location, which provides fast and accurate assay results while minimising contact with your products. This state-of-the-art combination guarantees speed, precision, and the safe return of your jewellery, silver or gold items, or precious metals in perfect condition. Our location is fully accredited to UKAS 17025, ensuring the highest standards are met.
Our on-site hallmarking service provided by Edinburgh Assay Office allows us to process items efficiently, often within the same day, cutting down the time and emissions typically associated with shipping items to and from locations outside of our facility for hallmarking. This streamlined process helps us provide a faster, more eco-friendly service while contributing to a greener future.
For more information on our hallmarking service, please see our FAQs for hallmarking.
We are the premier choice for integrated logistics and pre-market authorisation hallmarking.
Because we do hallmarking on-site at our London Heathrow location through our partner Edinburgh Assay Office, we can ensure that your silver, gold, jewellery and precious metals are hallmarked without delay. There is no need for them to be sent elsewhere for hallmarking. For urgent items, an expedited hallmarking service is also available.
Our hallmarking partner Edinburgh Assay Office utilises modern, efficient XRF and laser hallmarking technology. All hallmarks are applied using advanced non-contact laser marking, ensuring flawless marks with no risk of damage to finished pieces.
Our full system integration with Edinburgh Assay Office’s award-winning end-to-end tracking system gives you real-time updates for all hallmarking shipments. You will receive updates at each step of the process while your items move through our on-site sub-office.
We offer an additional service to ensure your gold bars meet UK customs standards before exportation. Our expert testing service helps you stay compliant with your customs regime, providing you with the necessary reports which are produced by an official verified assay office.
Through our partners at Edinburgh Assay Office, we offer a full range of support for Sponsors Marks, whether you have one, need to register one or would like to use our sponsors mark - we can fulfil your requirements.
Please complete our pre-advice hallnote to provide detailed instructions about the processing of items submitted to our on-site sub-office hallmarking facility provided by Edinburgh Assay Office to ensure your exact requirements are achieved.
We are privileged and trusted to work with some of the world’s most prestigious luxury brands.
Our team is dedicated to providing exceptional support, ensuring prompt and efficient assistance for every client. Contact us now or email us to discuss your specific requirements.
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18-19 Station Road,
Sunbury-on-Thames, TW16 6SB
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