Frequently asked questions

Frequently asked questions (FAQs)

Get answers to some of our most common questions.


This area is regularly updated, and the questions below are organised in the order of popularity.

If your question isn't here, then contact us or place your question in the pop up that will appear on the screen.

Different barcode types

Learn about all the different barcodes and numbers we offer.

What is a GTIN? | What is an EAN? | What is a UPC? | What is a GLN? | What is a GS1 company prefix?


Here you'll find information about GS1 UK and GS1 standards.

Who is GS1 UK? | Who regulates GS1 UK?

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