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Building Societies Association

6th Floor, York House
23 Kingsway
United Kingdom020 7520

The Building Societies Association or BSA is the voice for building societies and for some other mutual financial service providers.  Together these organisations serve over 20 million customers up and down the length of the UK and have total assets of over £364 billion.

Including their subsidiaries, they hold residential mortgage balances of over £282 billion - this equates to 21% of all outstanding mortgages in the UK. They also hold over £260 billion of retail deposits - 18% of all such deposits in the UK - including 32% of cash ISA balances.