What is AER?

AER is the Annual Equivalent Rate and illustrates what the interest rate would be if interest was paid and compounded on a yearly basis (instead of monthly or over any other period).

We calculate the AER using the following formula: (Amount Invested x Interest Rate)/360 x 365.

Get in touch


You’ll get us on the phone & social media 7 days a week from 8am to 11pm . So you can contact us at a time that fits around you.

Need a hand?


Check out our help centre. For everything from forms & downloads to online & mobile support, we've got it covered.