Which mutual building society, based in Leek, merged with a mortgage lending subsidiary of the cooperative bank in 2009?
Platform Home Loans:  The current incarnation of the firm was launched in February 2003 following the merger of Britannia Building Society subsidiaries Platform Home Loans and Verso. Platform Home Loans:  The firm became part of the Co-operative Bank group when that firm merged with Britannia in 2009.
i don't know