The data describes the volume of bank account switching (using the new "current account switch service", CASS; offered by the Payment's Council) listed for leading UK banks by customers gained and lost in the first quarter of 2018. During that time, Halifax led the ranking in terms of accounts gained, with 62.7 thousand new accounts, in the context of the loss of approx. 28.8 thousand. The net gain in the case of Nationwide amounted to nearly 28.8 thousand accounts. Other banks in the ranking found it more difficult to call themselves successful with the simplified switch service: i.
