Meridiam is a global infrastructure investment firm focusing on developing, financing, and managing long-term public infrastructure projects. The company was founded in 2005 and is headquartered in Paris, France. Meridiam operates as an independent investor and asset manager, specializing in public-private partnerships (PPPs) and other infrastructure investment models. It primarily focuses on essential infrastructure sectors such as transportation (roads, bridges, airports, and public transit), energy (renewable energy projects, including solar and wind farms), social infrastructure (schools, healthcare facilities), and utilities (water and wastewater treatment plants). Its project portfolio includes many infrastructure developments, from transportation hubs and renewable energy projects to healthcare facilities and education campuses.