Meridiam
Infraday-curatedParis, France
Long-term developer, investor and manager of sustainable public infrastructure.
Overview
Meridiam is an independent investment Benefit Corporation and asset manager focused on developing, financing and managing sustainable infrastructure over the long term. Founded in Paris in 2005, the firm works across sustainable mobility, critical public services and low-carbon solutions, including transport, energy, digital and social infrastructure. As of December 2025, Meridiam reported approximately €24 billion under management, more than 130 projects and activity spanning 58 countries. Its model combines project development, public-private partnership investment, fund management and active asset stewardship, with a stated emphasis on measurable environmental and social outcomes.
Infrastructure sectors
Capabilities & services
Greenfield project development
Concession investment
Fund management
ESG and impact measurement
Operations oversight
Profile information
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Last editorial check: 2026-10-10.
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