Building societies typically deal in personal savings and mortgages.
Well that could be about to change, as Nationwide moves into business banking with £50m bid for an RBS fund created to encourage new entrants into a market notoriously dominated by the big 4.
Chief Executive Joe Garner spoke to Sky's Ian King.
(Source: Sky News, https://www.youtube.com/watch?v=JwVbSC_-FK8)
