Nationwide Building Society reckons it can become a significant player in businesses banking and it could get a major boost if it manages to buy a large chunk of RBS, as I explain.
So how would the banking landscape look if Nationwide did launch a successful bid?
Bank branches if Co-op completes purchase of 632 Lloyds branches and Nationwide snaps up 316 RBS and NatWests...
2,100 Lloyds Banking Group
1,758 RBS Group
1,000 Cooperative Bank