The mark that makes the difference

The official marks of the Portuguese Assay Offices indicate the type of precious metal artefact – gold, silver, platinum and palladium – and the respective legal touch in order to ensure the protection of consumers against counterfeiting and the promotion of fair competition between economic operators

NEWS & EVENTS

09Sep2021
INCM takes part in a debate on the jewellery sector
Mrs Paula Pedro, Director of the Assay Offices' and Supervision Unit (UCF), on behalf of INCM, will ...
See More
28Jun2021
Assaying and innovation in tradition
Today’s assay offices face new challenges in order to protect final consumers, not neglecting the ...
See More

+ NEWS & EVENTS

OUR ASSAY OFFICES

Make a mark

Purchase a pre-approved design, see our online catalogue.

find out more about…

What is a hallmark?

The Official Mark of the Portuguese identifies the precious metal and the cool touch of the artifact.

How is a hallmark created?

The design of the sponsor’s mark must be submitted to the assay office for approval, along with its respective application forms. It is possible to submit a design or purchase a pre-approved...

Service scheduling system

The Assay Offices of Lisbon, Porto and Gondomar provide a new system for scheduling service by SMS or Internet, with the closeness, comfort, speed and security with which we wish to serve...

Cart

0,00 €

SATISFIED CUSTOMERS

ONLINE SHOP

E-FORMS

PORTUGUESE OFFICIAL ASSAY MARKS

PORTUGUESE ASSAY OFFICE AT PORTOJOIA

The mark that makes the difference

NEWS & EVENTS

INCM takes part in a debate on the jewellery sector

Assaying and innovation in tradition

OUR ASSAY OFFICES

Make a mark

find out more about…

What is a hallmark?

How is a hallmark created?

Service scheduling system