ESAF Small Finance Bank is an Indian small finance bank that provides banking services and small loans, primarily focusing on underserved and unserved rural and semi-urban populations. It offers a range of retail banking products, including micro-loans, MSME financing, agri-loans, debit cards, and foreign exchange businesses. The bank's registered and corporate office is in Thrissur, Kerala, India, and it commenced banking operations on March 10, 2017, evolving from an NGO founded in 1992.