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AER, or Annual Equivalent Rate, is used to show you what you could earn from a savings account over a year.
AER makes it easier to compare savings accounts that might have differences between them. It's a bit like how APR works for borrowing products, like credit cards and loans.
Halifax is a division of Bank of Scotland plc. Registered in Scotland No. SC327000. Registered Office: The Mound, Edinburgh EH1 1YZ. Bank of Scotland plc is authorised by the Prudential Regulation Authority and regulated by the Financial Conduct Authority and the Prudential Regulation Authority under registration number 169628.