ComplaintCensus

London Mutual Credit Union vs OakNorth Bank: most-reported complaints compared

Most-reported issues at London Mutual Credit Union and OakNorth Bank, 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.

London Mutual Credit Union

TrustScore 4.7 · 2,815 reviews on Trustpilot.

250 reviews analysed, 2023-07-03 to 2026-09-02.

Complaint rate (recent window): 4%

80% of negative reviews get a company reply.

Support unhelpful33%
Other24%
Account/app problems14%
Support unreachable12%
Billing errors10%
“they lied about the amount I was offered and now refuse to transfer my funds”
1★ Trustpilot review, 2024-11-06

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.

Account/app problems35%
Other25%
Support unhelpful21%
Billing errors10%
Misleading pricing8%
“No access to my account for 2 months”
1★ Trustpilot review, 2026-06-03

Reported on both

Issues with an evidenced category (at least two verbatim quotes) on both sides.

IssueLondon Mutual Credit UnionOakNorth Bank
Support unhelpful33%21%
Other24%25%
Account/app problems14%35%
Billing errors10%10%

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, London Mutual Credit Union or OakNorth Bank.