Tesco investigating “technical issue” after Monzo cardholders charged double


Tesco is investigating its payment systems after a glitch caused customers paying with Monzo debit cards to be charged double.

Monzo card users have been complaining to the UK’s largest grocer on Twitter for around four months that they were being charged double on purchases made in some Tesco stores, and not receiving refunds for over a month.

The payment issues began back in July for Monzo customers attempting to pay via self service machines.

Following a series of complaints to the online bank, a Monzo spokesperson said on its website’s forum earlier this month that the issue was with Tesco’s payment system, not its cards.

“It’s an issue related to double-charges on self-checkouts caused by an issue on Tesco’s end,” they said.

READ MORE: Tesco invests in cashierless technology

“More cards than Monzo are affected but unfortunately, Monzo users always seem to be the first to notice these kinds of issues.”

Tesco subsequently put up signs in a number of its stores warning customers that “due to a technical error unfortunately we cannot accept Monzo card payments. Sorry for any inconvenience caused.”

In response, a Tesco spokesman said: “We have been made aware there could be a potential technical issue around use of Monzo cards in a very small number of stores.

“Whilst this is not widespread, we would like to apologise to any customers affected and let them know we are working with Monzo and stores to investigate and resolve this. Customers can still use their Monzo cards in store.”

Monzo added that the issue “does not debit their account twice” and will “automatically fix itself after seven days or customers can get in touch with us to fix it immediately.”

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