Nationwide Building Society is a British mutual financial institution and the largest building society in the world with over 15 million members with headquarters in Swindon.
It was announced on the official website of Coinbase that they will no longer be accepting deposits from Nationwide Bank. That decision may be linked to Nationwide’s SEPA payment processing, which is maintained by Germany’s Commerzbank, which have been associated with a company's policy of refusing to deal with transactions related to Bitcoin and cryptocurrency.
Earlier, Nationwide Bank’s correspondent bank for SEPA transfers Commerzbank has stated no longer allows transfers related to Bitcoin.
Coinbase status towards Nationwide Bank