Why do you need my National Insurance (NI) number?

Updated 1 year ago

HMRC asks all ISA providers to collect your NI number so they can track your ISA activity. They check that you haven't oversubscribed (paid in more than your tax-free allowance) or opened more than one of each type of ISA during the tax year.

Was this helpful?

Need to get in touch?

Our team of helpful humans are on hand.

Contact us