Webster Financial is a mid-sized commercial bank headquartered in Stamford, Connecticut, with $84B in total assets, serving businesses and individuals across the Northeast. Webster operates through three segments: Commercial Banking, Healthcare Financial Services, and Consumer Banking. Commercial Banking is the largest segment by loans and covers CRE, middle market C&I, sponsor and specialty finance, asset-based lending, and public sector finance. Consumer Banking provides traditional retail deposit, lending, and wealth management services through 195 branches and digital channels, including a direct digital banking platform (BrioDirect). Healthcare Financial Services is Webster's most distinctive segment and includes HSA Bank, one of the largest Health Savings Account administrators in the U.S., and Ametros, the largest professional administrator of medical insurance claim settlements. HSA Bank distributes through employers via a B2B2C model, while Ametros helps individuals manage ongoing medical costs after settling insurance claims. Both businesses generate very low-cost, long-duration deposits that fund Webster's broader balance sheet — a core competitive advantage. Webster also operates InterSYNC, a platform that provides access to low-cost institutional deposits from corporate cash management clients. Webster's primary revenue source is net interest income, driven by loan growth and its structurally cheap deposit base. Webster targets deposit franchise growth through HSA expansion, Ametros growth, and the 2025 acquisition of SecureSafe, a market leader in employer-sponsored emergency savings accounts. In February 2026, Webster entered into an agreement to be acquired by Banco Santander for approximately $12.3B, expected to close in the second half of 2026.