Foamit Oyj is a principal investment firm specializing in investing in companies operating in the public sector. It invests in municipal-owned limited liability companies, new companies created by the incorporation of municipal functions and privately owned companies producing municipal services. It focuses specifically in companies operating in energy, social and health care, logistics, circular economy and waste management sectors. The company was formerly known as Partnera Oy and change its name to Foamit Oyj in October 2025. Foamit Oyj is based in Oulu, Finland.