I'll help you connect your Monzo Business Account to QuickBooks Online (QBO) seamlessly, Andrew.
First, could you please tell me the exact error message you received when attempting to link your bank to QBO? Knowing this will help me offer a tailored solution to your issue.
In the meantime, since it keeps showing a failed message, I recommend logging in to your bank's website to check for any notifications or alerts about ongoing maintenance that may cause the connectivity problem.
However, if everything looks good, open your QBO account using a private or incognito window to rule out any cache-related issues with your browser. Please refer to the steps below:
Don't hesitate to drop a reply in the comment section below if you have other questions about bank connectivity in QBO. The Community is always here to offer help.
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