What is the biggest building society in the uk?

Question

which building society ( bank ) is the largest branch in the uk

Answer 1

Nationwide Building Society is a major UK building society, the largest one in the world, and has its headquarters in Swindon, Wiltshire. It has approximately 12 million members, 20 million accounts and employs 16,500 people across the UK. It is the only UK building society to clear its own cheques, and the only UK financial institution to offer completely fee-free transactions (both electronic and cash withdrawals) worldwide with their VISA branded cards.

Nationwide Building Society provides financial services both directly, and through approximately 680 branches and 200 agencies. Nationwide is a major provider of both mortgages and savings in the UK, as well as personal banking and commercial lending.