OakNorth Bank vs Monzo: most-reported complaints compared
Most-reported issues at OakNorth Bank and Monzo, according to reviewers on Trustpilot — classified by our automated reader and backed by verbatim quotes from distinct reviews. This is a side-by-side of what reviewers report, not a score, rating or recommendation for either company.
OakNorth Bank
TrustScore 4.8 · 21,130 reviews on Trustpilot.
711 reviews analysed, 2026-05-13 to 2026-09-23.
Complaint rate (recent window): 2%
97% of negative reviews get a company reply.
“No access to my account for 2 months”
Monzo
TrustScore 4.6 · 72,670 reviews on Trustpilot.
2,313 reviews analysed, 2025-03-21 to 2026-09-23.
Complaint rate (recent window): 9%
51% of negative reviews get a company reply.
“Monzo refused to make a payment I scheduled for immediate bank transfer.”
Reported on both
Issues with an evidenced category (at least two verbatim quotes) on both sides.
| Issue | OakNorth Bank | Monzo |
|---|---|---|
| Account/app problems | 35% | 34% |
| Other | 25% | 13% |
| Support unhelpful | 21% | 35% |
| Billing errors | 10% | 9% |
Method: reviews are classified into a fixed complaint taxonomy by an automated reader; every category shown is backed by at least two verbatim quotes from distinct reviews. Figures are census classifications, not official statistics, and reflect what reviewers reported — not findings of wrongdoing by either company. Not affiliated with, endorsed by, or sponsored by Trustpilot A/S, OakNorth Bank or Monzo.