Nationwide Building Society Facts 2025 Financial Statements. Nationwide building society is authorised by the prudential regulation authority and regulated by the financial conduct authority and the prudential regulation authority under registration. Current passbooks cannot be used beyond february 2025;
Nationwide is the world’s largest building society, with over 17 million customers, 16 million of whom have a current account, mortgage or savings product, and are therefore. As the largest building society, founded on a social purpose, we seek to do the right thing for the benefit of our customers, colleagues, communities and the environment.
