This document provides details for a federal contract solicitation to strengthen governance and increase accountability, transparency and effectiveness in selected state and local governments in Nigeria. The purpose of the "State Accountability, Transparency and Effectiveness" contract is to strengthen governance systems related to public financial management, procurement, and monitoring and evaluation in key sectors such as basic education, primary health care, and water, sanitation and hygiene. The contractor will facilitate sustainable strengthening of subnational governance systems by supporting local reform efforts and building on locally derived solutions. The solicitation was issued by the US Agency for International Development Nigeria to achieve this purpose.