State Bank of India is an Indian multinational public sector bank and financial services statutory body, headquartered in Mumbai. It is the largest bank in India with a 23% market share by assets and a 25% share of the total loan and deposits market. It is also the tenth largest employer in India with nearly 250,000 employees. As of 2024, SBI has 500 million customers. The Reserve Bank of India has identified SBI, HDFC Bank, and ICICI Bank as domestic systemically important banks, which are often referred to as banks that are "too big to fail". SBI is the 43rd largest bank in the world by total assets and ranked 163rd in the Fortune Global 500 list of the world's biggest corporations of 2025. In 2024, SBI was ranked 55th in Forbes Global 2000. The bank descends from the Bank of Calcutta, founded in 1806 via the Imperial Bank of India, making it the oldest commercial bank in the Indian subcontinent. The Bank of Madras merged into the other two presidency banks in British India, the Bank of Calcutta and the Bank of Bombay, to form the Imperial Bank of India, which in turn became the State Bank of India on 1 July 1955. Wikipedia