Paym How to register Seventeen participating UK banks and building societies offer Paym – scroll down to see if yours is one of them. To register your mobile number with the current account you want payments made into, click on your bank or building society’s logo to visit the relevant page on their website. Terms and conditions apply. Contact your bank or building society for more information. What is Paym?How does it work? Privacy Terms of use Cookie policy © Payments Council 2015 PayM What is Paym? How does it work? How to register FAQs IOU calculator About us Accessibility Paym for businesses PayM Tell a friend about the service Email a friend Share on Facebook Share on Twitter Share on LinkedIn Share on Google +