Marshmallow Complaints

Marshmallow is among the worst-performing banks for complaints.

5/5 — Terrible

Total Complaints

11,357

In 2025-01-01 to 2025-06-30

Rate (per 1,000 accounts)

26.6 →

Sector Average

7.4

per 1,000 accounts

Complaints by Product

Product ↕	Complaints ↕	Share
Insurance & pure protection	11,356	100.0%

How does Marshmallow compare?

Marshmallow

26.57

Nutmeg

25.37

USAY Group

22.84

Pepper Money

31.25

US Bank

20.32

Complaint rate per 1,000 accounts

About This Data

Data sourced from official UK regulators for the period 2025-01-01 to 2025-06-30. Complaint rates are calculated per 1,000 accounts. Ombudsman uphold rate from the Financial Ombudsman Service. Full methodology