Efforts to eliminate poverty and breaches between rich and poor have classically involved donations, grants or sponsorships. Microfinance proposes a new business structure to create value while aiming at poverty reduction and reaching the unbanked population in different parts of the world. But can Microfinance Institutions be profitable and sustainable? This Bachelor-Thesis aims to answer this question, making of this an interesting analysis of the development of Microfinance to grow to what it is today and of all aspects of their business Model.