Qualiquant Services Limited provided expert services in data collection for The Sustaining Health Outcomes through the Private Sector Plus (SHOPS Plus) project funded by USAID, which was targeted at implementing a study on the quality of tuberculosis services provided in private and public sector health facilities in Lagos and Kano State respectively, using different survey methodologies. The survey was conducted by collecting about 2512 samples across health facilities in Kano, Northern Nigeria and Lagos, South-West Nigeria with the use of electronic devices.