Mettle say they are the business bank account built for the self-employed and are backed by NatWest. Customer Reviews Customer Reviews Expert Rating Write Review Customer Reviews 0 0 Good Money Guide users have given this provider a review rating of 0 out of 5 based on their genuine experience. ExcellentVery goodAveragePoorTerrible There are no reviews yet. Be the first one to write one. Expert Review & Rating This provider has not yet subscribed to Good Money Guide for an expert rating. Leave A ReviewTell us what you think of this provider. Your review Your overall rating Select a Rating5 Stars4 Stars3 Stars2 Stars1 Star Title of your review Your review Your name Your email This review is based on my own experience, is my genuine opinion and I agree to the Good Money Guide terms, conditions and privacy policy. Submit Review