Despite significant contributions from non-governmental organizations (NGOs) in socio-economic development in Bangladesh, the evidence in community development is little known. The findings of this article are based on two NGOs working with two indigenous communities. The study used a qualitative case study research approach, where a multi-method data collection procedure was applied. The analysis of the findings underscored the role of these two NGOs in four ingredients of community development: improving participation, social networking, partnership and development ownership. The results showed that the NGOs’ contributions in community development were credible. The findings provide important guidelines for social workers, NGO workers and development practitioners.