Support for managing your GS1 UK membership Everything you need to know to help with your membership. My GS1 Everything you need to manage your My GS1 member account. My Numberbank See how to manage your GS1 numbers, barcodes and product information in My Numberbank. Leaving GS1 UK No longer need your GS1 UK membership, here's some information about what you need to do. Need a hand? If you need help getting started or support with any aspect of your GS1 UK membership, please get in touch. Contact us