I’m sure anyone reading this in the UK is already aware of MSE but just in case: https://www.moneysavingexpert.com/savings/savings-accounts-best-interest/#easyaccess
A quick glance suggests most of those really high ones are time-limited bonus offers, but other places are doing quite high interest in general e.g. Marcus is paying 4.75%.
Yeah this is a normal phrase in British English too. Today you learned!