Banco Santander has received approval from the Board of Governors of the Federal Reserve System to acquire Webster Financial Corporation, the holding company for Webster Bank, N.A. The clearance is the final major regulatory hurdle for the transaction, which is now expected to close on 20 August 2026.
The Fed’s sign-off follows two earlier approvals: the Office of the Comptroller of the Currency granted its consent on 12 June 2026, and the European Central Bank authorised the deal on 21 July 2026. The sequence of approvals reflects the dual supervisory footprint of a transaction that pairs a globally systemic European bank with a mid-sized US commercial bank chartered at the national level.
The deal
Webster Bank, headquartered in Stamford, Connecticut, had more than $80 billion in total assets at the time the acquisition was announced. It operates across three business lines: Commercial Banking, Healthcare Financial Services, and Consumer Banking, with its core footprint running across the Northeast from the New York metropolitan area through to Rhode Island and Massachusetts. Upon closing, most of Webster’s operations will be folded into Santander Bank, N.A., Santander’s existing US banking franchise.
Santander’s executive chair, Ana Botín, said the combination would create a bank with the scale to compete more effectively in the US market. “This combination will strengthen our position in one of the world’s most attractive banking markets and put us firmly on track to build one of the highest-performing banks among our U.S. peers,” she said.
The group has set out specific financial targets for the enlarged US business. By 2028, Santander expects the combined entity to achieve a return on tangible equity of around 18%, with the transaction generating approximately 7 to 8 per cent earnings per share accretion and an estimated 15 per cent return on invested capital. These are alternative performance measures as defined by ESMA and are not audited figures.
Market context
The acquisition is a meaningful step in Santander’s long-running effort to build a credible US retail and commercial banking franchise, an objective that has proved elusive for several large European banks over the past two decades. Santander US has historically occupied a smaller position relative to its European home base; absorbing Webster’s Northeast footprint and its healthcare finance specialism would give it a more defensible deposit base and a differentiated business line.
Webster’s Healthcare Financial Services division is a notable differentiator. Healthcare-linked banking, including health savings accounts and specialised lending to healthcare providers, is a sticky, fee-generating segment that large US commercial banks have competed for actively. Retaining that client base through integration will be one of the near-term tests for the combined organisation.
More broadly, cross-border bank M&A in the US market has attracted heightened scrutiny from the Fed and the OCC in recent years, with regulators paying close attention to integration risk, compliance frameworks and Community Reinvestment Act obligations. The sequential approvals from Washington and Frankfurt suggest Santander has navigated that scrutiny without material conditions being imposed, though the full terms of the regulatory clearances were not disclosed in the announcement. Customers of both banks are being told that accounts and services will continue without interruption until any changes are communicated ahead of implementation.
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