Our Philosophy
Independence. Expertise. Integrity.
Protecting integrity. Enabling confidence. Supporting progress
For more than 250 years, Birmingham Assay Office has existed to protect trust in materials, products and supply chains both across the jewellery industry and beyond it.
From our historic role in hallmarking precious metals to our modern UKAS accredited analytical testing laboratory, Birmingham Assay Office has always served the same purpose: providing independent verification where confidence matters most.
Today, organisations across manufacturing, retail, technology, recycling and global supply chains rely on accurate, independent data to support critical decisions.
Our philosophy is built on three foundations: Independence. Expertise. Integrity.
These principles guide every service we deliver.
Independent Assurance for Modern Industry
While Birmingham Assay Office has a long heritage, our purpose today is firmly focused on the needs of modern industry.
We support organisations that require trusted third-party verification to support:
- Product quality and authenticity
- Materials testing and verification
- Regulatory compliance
- Responsible sourcing and traceability
- Supply chain confidence
By providing independent analytical evidence, Birmingham Assay Office helps organisations make decisions with confidence.
Independence You Can Trust
Birmingham Assay Office operates as a completely independent organisation.
We do not manufacture, trade, process or sell the materials we analyse or verify. This independence ensures our results remain objective, impartial and trusted.
This independence has protected trust in materials for over two and a half centuries.
Expertise That Delivers Clarity
Behind every one of Birmingham Assay Office’s services is a team of specialists dedicated to delivering accurate, meaningful data.
Our scientists and analysts combine advanced techniques with decades of materials expertise to support organisations across industries.
We help organisations answer critical questions such as:
- What is the true composition of this material?
- Does a product meet regulatory or technical requirements?
- Can materials be trusted within a supply chain?
- What caused a failure or contamination event?
Our goal is always the same: to provide clear, reliable evidence that enables confident decision-making.
Integrity in Everything We Do
Integrity has always defined Birmingham Assay Office.
Our services support industries where accuracy, trust and transparency are essential.
From hallmarking precious metals to providing independent materials testing, our work protects consumers, manufacturers, retailers and global supply chains.
Our UKAS accredited analytical laboratory ensures testing is performed to internationally recognised standards, delivering results suitable for technical, commercial and regulatory use.
Every result we produce reflects the same commitment to scientific rigour, transparency, accountability and accuracy.
Supporting Innovation and Responsible Industry
Birmingham Assay Office has always evolved alongside industry. Today we support organisations operating across sectors including:
- Advanced manufacturing
- Sustainable and circular materials
- Precious metals and jewellery
- Electronics and technology
- Critical minerals and strategic materials
Our independent analytical services help organisations validate materials, improve product performance, demonstrate responsible sourcing and support sustainability and ESG initiatives.
By providing trusted analytical data, we enable organisations to innovate with confidence.
The Birmingham Assay Office Principles
Our work is guided by a set of principles that have defined Birmingham Assay Office for more than 250 years.
These principles shape how we operate, how we serve our customers and how we protect trust in materials and products.
Independence above all
Trust depends on independence. Birmingham Assay Office provides objective verification without commercial bias. Because we do not manufacture, trade or process the materials we test, our results remain impartial and credible.
Scientific excellence
Reliable decisions depend on reliable data. Our analytical scientists apply advanced testing techniques and rigorous scientific methods to deliver results that stand up to scrutiny in technical, regulatory and commercial environments.
Integrity and transparency
Every result we produce carries responsibility. Our customers rely on our work to support product safety, compliance and supply chain trust. We prioritise clear reporting, transparency and accountability in everything we do.
Supporting responsible industry
Birmingham Assay Office exists to support industries that value quality, responsibility and progress. From sustainable materials to emerging technologies, we provide the independent evidence organisations need to operate responsibly.
Heritage with purpose
Since 1773, Birmingham Assay Office has protected trust in materials and products. Our history provides the foundation that allows us to support modern industries, emerging technologies and future supply chains.
Discover How Birmingham Assay Office Can Support You
Whether you require materials testing, product assurance or independent verification, our team is here to help.
At Birmingham Assay Office we see ourselves not just as a service provider, but as a trusted partner in quality, integrity and assurance.
Explore our services:
Hallmarking
Services
Statutory hallmarking for precious metals, combining centuries of heritage with modern efficiency.
- Gold, silver, platinum, and palladium
- UK legal compliance and consumer protection
- Express and laser hallmarking services
Diamond, Gemstone & Jewellery Assessments
Independent gemstone identification and professional valuations for jewellery and watches.
- Diamond, pearl, and coloured gemstone certification
- Insurance, probate, and commercial valuations
- Digital valuation and authentication services
Analytical Testing
Laboratory
Independent materials testing for jewellery & wearable products, consumer goods, medical devices, & regulated products.
- Waterproof and performance testing
- Skin safety & irritant assessment
- General product safety regulations & compliance testing
Elemental & Critical
Materials Analysis
UKAS-accredited elemental analysis for industrial, environmental, and advanced materials.
- ICP and XRF elemental
analysis - Regulatory and product safety support
- Sustainability and circular economy applications
to learn how Birmingham Assay Office can protect your brand and deliver confidence in every piece you create.