State Bank of India (SBI) is an Indian multinational public sector bank and financial services statutory body, recognized as 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 a major Indian state-owned bank tracing its origins to the Bank of Calcutta established on June 2, 1806, evolving through mergers of the three Presidency banks into the Imperial Bank of India in 1921. On July 1, 1955, under the State Bank of India Act, the Imperial Bank was nationalized and renamed State Bank of India, with the Reserve Bank of India acquiring a controlling interest, later transferred to the Government of India in 2008. Headquartered in Mumbai, Maharashtra, SBI employs nearly 250,000 people, making it the tenth largest employer in India, and serves over 500 million customers through a vast network of more than 22,500 branches, 63,580 ATMs, and 82,900 business correspondent outlets across India, alongside a global presence in 30 countries with 241 offices.

SBI offers comprehensive banking and financial services, including retail and corporate banking, investment banking, loans (such as home, personal, auto, education, and gold loans), credit cards, insurance, wealth management, custody, and fund accounting. It operates through segments like Treasury, Corporate/Wholesale Banking, Retail Banking, and Other Banking Business, contributing significantly to India's financial inclusion and economic growth. As a Fortune 500 company, SBI reported revenue of approximately 4.73 lakh crores INR and has undertaken strategic mergers with associate banks to strengthen its position. Major subsidiaries include SBI Capital Markets Ltd., SBI Cards & Payments Services Pvt. Ltd., and SBI Life Insurance Company Limited. The bank's commitment to innovation is evident in its digital solutions and global expansion, solidifying its role as a cornerstone of India's financial landscape.

Governed as a government-owned corporation, SBI's leadership includes Chairman Shri Dinesh Kumar Khara, and it continues to adapt through technological advancements and mergers, maintaining its legacy of over 200 years while driving financial services for corporates, SMEs, NRIs, and retail customers.