This study provides Equity Building Society’s role in providing financial services in the underserved, low-income section of the Kenyan market. It gives brief information about economy and financial situation in Kenya. It traces the historical growth of Equity Building Society in relation to its financials, staff and the customer base since its inception. The study also documents information about the products—savings and credit both—of the Equity Building Society and gives a details about financial impact on the bank. It draws conclusion for success of Equity because of its focus on microfinance customers, which is embodied in the mission of the organisation, drives most of the activities of Equity.