We’re sorry to hear that we couldn’t open an account for you 
We’ll assess all applications based on the information you give us when signing up. If you’d like to find out more about how we make decisions on accounts at Monzo, please take a look at our Privacy Notice. You can find it in our app, or on our website: https://monzo.com/legal/privacy-notice/
We wouldn’t be able to look into this over the Community due to security reasons, but you can send our team an email if you think this was a mistake at review@monzo.com. But they wouldn’t be able to give you anymore information about why your application was rejected.