since barnsley building society joined forces with yorkshire building society in 2008 it s fair to say we ve gone from strength to strength . together we re now one of the largest and strongest building societies in the uk . by rebranding to yorkshire building society we believe we will be more efficient and cost effective ensuring we can continue to offer long term value . here s what has changed access to improved online services rather than visiting barnsley bs.co.uk you will need to visit ybs.co.uk instead where you ll find a wide range of tools and services . barnsley building society branches have become yorkshire building society branches you now have access to over 230 yorkshire building society branches and local agencies across the uk rather than the 8 barnsley branches . access to a wider range of products and services we no longer sell barnsley products . instead you now have access to the yorkshire building society products and services in branch over the phone and online . where we previously had two branches in the same area we have closed one branch and continue to serve our customers from the remaining branch . in some cases the branch location has remained the same with just the sign above the door changing . we re sorry if any of the changes causes you inconvenience . if you do have any questions or concerns please don t hesitate to get in touch on 0345 1200 300 or talk to us in branch . how do i login if you were an online customer with barnsley building society check the letter received recently with your new customer number then visit ybs.co.uk or use the login link below . there is no need to register to use the yorkshire building society website . questions and answers sheet find your nearest yorkshire building society branch enter a town city or postcode to find your nearest branch . find a branch login to your account account holders can now access improved online services at ybs.co.uk speak to one of our advisers if you have any questions speak to one of our friendly advisers . 0345 1200 300 9am 6pm mon to fri 9am 1pm sat yorkshire building society is a member of the building societies association and is authorised by the prudential regulation authority and regulated by the financial conduct authority and the prudential regulation authority . yorkshire building society is entered in the financial services register and its registration number is 106085 . head office yorkshire house yorkshire drive bradford bd5 8lj . this site is intended for uk residents unless otherwise stated . all communications with us may be monitored recorded to improve the quality of our service and for your protection and security . calls to 03 numbers are charged at the same standard network rate as 01 or 02 landline numbers even when calling from a mobile .