Bazy i Systemy Bankowe is a Polish IT company whose sole shareholder is the National Bank of Poland. The company was founded in 1974 in Bydgoszcz. Initially, it operated as the Provincial Computing Center of the NBP, then in 1994 it was transformed into a limited liability company under the name Bazy i Systemy Bankowe.
BSB is a producer and integrator of IT solutions serving institutions from the banking, insurance, financial and public sector sectors. The company's activity focuses on the production of specialized IT systems for these sectors, especially in the field of interbank settlements, reporting and financial fraud.