This case study reviews Sumitomo Chemical, a producer of Long-Lasting Insecticide Treated Nets 'LLINs' acting both on a global and local level to improve LLIN production capacity and uptake. The study examines the market for LLINs, and the history and approaches in combating Malaria. It discusses the challenges and boundaries as well as the potential of strengthening ecosystems through private initiatives and ?raises questions about how companies should best navigate a highly politicised ecosystem.