HelpThe legal stuffMaking a complaint

Making a complaint

If you'd like to make a complaint, please get in touch and we'll look into this for you.

If your complaint's about your business account, tap here for instructions.

How to get in touch with us

App: If you're a Monzo customer, you can chat to us in the app.

Phone: We're happy to talk on the phone and can raise a complaint for you there. Call us on 0800 802 1281 (or +44 203 872 0620 from abroad).

Email: Email us at

Post: If you’d prefer, you can put your complaint in writing and send it to:

Customer Advocacy Team
Monzo, Broadwalk House, 5 Appold Street, London EC2A 2AG

What happens next?

We'll be in touch within 4 business days to try to resolve your complaint. If we can't do it in this timeframe, please note that we're typically allowed up to 15 days (or in some cases up to 8 weeks) to investigate your complaint and produce what's called a 'final response'.

If you're not happy with our final response, you have the right to refer your complaint to the Financial Ombudsman Service, free of charge – but you have to do this within 6 months of the date of our final response.

How to get in touch with the Financial Ombudsman

Post: The Ombudsman’s address is:

Financial Ombudsman Service
Exchange Tower
E14 9SR

Phone: You can call the Ombudsman on 0800 023 4567 or 0300 123 9123.

Website: Visit the Ombudsman's website for more information:

You can also find an online version of their consumer leaflet.

Other ways to give feedback

You can share your thoughts in our Community Forum or by chatting to us in the app. We'll pass any information on to the relevant team 🙂

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