Erste Bank Polska S.A., previously known as Santander Bank Polska S.A. and Bank Zachodni WBK S.A., is a leading Polish universal bank and the third-largest financial institution in the country by assets. The bank operates through several core business segments: Retail Banking, Business and Corporate Banking, Corporate and Investment Banking, ALM and Centre, and Consumer Finance. Its retail division provides personal accounts, savings, mortgages, consumer loans, and insurance products to millions of individual customers. The corporate and investment banking segments cater to SMEs, large domestic corporations, and international entities, offering working capital loans, trade finance, leasing, factoring, and capital markets advisory. Geographically, the bank's operations are concentrated entirely in Poland, where it maintains a vast distribution network of over 500 branches and partner outlets, alongside robust digital and mobile banking platforms. In early 2026, Austria's Erste Group completed the acquisition of a controlling 49% stake in the bank from Spain's Banco Santander, leading to its rebranding as Erste Bank Polska in April 2026. This strategic integration into the Erste Group enhances the bank's competitive position in Central and Eastern Europe, allowing it to leverage the parent company's extensive regional footprint and technological capabilities while continuing to serve its strong domestic customer base.
