Designing for Social Impact is an approach of social sustainability that presents an alternative way to improve living conditions in low income communities, of low income countries, by providing solutions that will enable them to meet their basic needs. Some current methods and tools used by social designers are focused on specific social aspects and often fail to engage communities to participate actively in the design processes. A non-linear Design Research Method was used to engage experts from the Design for Social Impact sector, Product Service System “PSS”, and social designers. A case study based in Gambia was used to study if “PSS” could encourage social designers to co-design with these communities as a way to promote positive solutions. Thus, strategic actions were collected from the research findings as a way to promote co-designing with involved stakeholders in low income communities.