Alexandria Business Association (ABA) is a microfinance institution that works to develop the micro and small sized enterprise sector in Egypt. This brief describes how ABA is utilizing its wide network of microbusiness clients to assess the impact of a new loan product, Tomouh, on the growth of the enterprises and the livelihoods of the entrepreneurs. It highlights how a robust monitoring and evaluation system with appropriate tools to measure the outputs, outcomes and impacts of ABA’s Tomouh loan can help to create evidence on how micro-enterprises graduate to become small-sized businesses.