Starling Bank has enjoyed a meteoric rise since its start in 2014. Now, there are plans for the digital challenger bank to branch out into mortgages perhaps in anticipation of an IPO in the next year or two, as Ruth Kibble discovers

Over two million people and small businesses are using open banking enabled services in the UK, after an industry shake-up changed the way banking services are provided globally. But what can be done to reach more customers?