One Savings Bank
What Is A One Savings Bank CIFAS Marker?
A One Savings Bank CIFAS marker is a fraud-risk record connected to accounts, payments, onboarding, lending, or account review records. It is not a normal credit issue. It is a fraud-risk filing on the National Fraud Database and should be reviewed against the CIFAS category used, the records held by One Savings Bank, and the evidence relied on when the marker was filed.
Research identifies OneSavings Bank plc as the relevant legal entity for One Savings Bank, trading as OSB Group / OneSavings Bank, company number 07312896, FCA reference 530504. OSB privacy policy confirms OneSavings Bank plc company number, registered office and FRN 530504.
In a One Savings Bank case, the marker may relate to:
- Account opening information
- Transaction monitoring or payment activity
- Device, login, or access records
- Source of funds or source of wealth questions
- Account closure, restriction, or refusal decisions
The key point is simple. One Savings Bank must be able to justify the marker with evidence, not suspicion, assumption, or a general account concern.

