CMA9

Who are the CMA9?

The CMA9 are the nine largest banks in the UK, based on their account volumes: Lloyds, Barclays, Nationwide, RBS, Santander, Danske Bank, HSBC, Allied Irish Banks and Bank of Ireland. These banks were required by the CMA Order to participate in and pay for the introduction of Open Banking in the UK, making them the firstmandatory ASPSPs.



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