The Assay Office


The Goldsmiths’ Company Assay Office is where hallmarking began, and we have been testing and hallmarking precious metals for over 700 years.


My Account

Track and pay for your packets with our online packet tracking service.

Register

Register online to choose your London mark and begin hallmarking with us.

Useful Downloads

Download Hallmarking Guides, Hallnotes and other useful downloads.

Hallmarking Services

Find out about all of our services including laser marking and hand marking.

FAQs

Your questions about the hallmarking process answered.

Valuations and Expert Services

Read about the other services we offer, include laboratory services.

Assay Office Online

Our new website is coming soon, and will include updated features including online hallnotes and payments. Keep checking back here for updates!

Contact Us

  • Share this page

The Assay Office

Useful Downloads

Including downloads for the hallnote, complete pricing and terms and conditions.

FAQs

Your frequently asked questions about hallmarking answered.

My Account

Already registered? Go directly to your online account to track your packets and pay.