Meridiam is an independent investment firm and Benefit Corporation, founded in 2005, that specializes in the development, financing, and long-term management of sustainable public infrastructure. With €23 billion in assets under management across more than 130 projects in ten countries, the firm operates on a long-hold model designed to align public and private interests over multi-decade horizons. Its strategy focuses on three key verticals: sustainable mobility, critical public services, and innovative low-carbon solutions.
The firm’s investment approach is structurally distinct: it embeds its commitment to positive social and environmental impact into its legal framework, having attained Mission Company status in France in 2019 and B Corporation certification in 2022. This governance structure is designed to reconcile financial performance with long-term purpose, creating lasting value in the assets it manages. The geographic focus spans Europe, Africa, and the Americas.
Meridiam is staffed by approximately 400 professionals worldwide, bringing technical, financial, and operational expertise to complex infrastructure projects. The firm’s model positions it at the intersection of institutional capital and public-sector needs, targeting essential assets that serve both economic and societal functions.
