Which banks are supported for Open Banking Source of Funds checks

This article explains which banks and account providers support Open Banking for Source of Funds checks with Legl. It helps you quickly confirm whether your bank can be used and what to do if it is not supported.

This article outlines:

Legl uses Open Banking providers listed in the Open Banking Directory, maintained by Open Banking Limited (OBL).

As of April 2025, there are 91 Account Servicing Payment Service Providers (ASPSPs) enrolled in the Open Banking Directory. These include major high street banks, challenger banks, and specialist financial institutions.

All providers listed in the directory are regulated and participate in the Open Banking ecosystem.

The Competition and Markets Authority (CMA) identified nine major UK banks, known as the CMA9, which are mandated to support Open Banking standards:

In addition to the CMA9, many other banks and financial institutions support Open Banking, including:

To view the most accurate and up-to-date list of banks that support Open Banking, visit the Open Banking Directory.

The directory allows you to:

This is the best way to confirm whether your bank is supported.

Open Banking is optional.

If your bank does not support Open Banking, you can still complete your Source of Funds check by uploading bank statements manually through Legl’s secure platform.

If you are unsure which option to use, contact your law firm for guidance.

You will be able to see whether your bank is supported when completing your Source of Funds request after your law firm sends you a secure link.