Delivering transformational infrastructure
Critical public services
We are an investment Benefit Corporation (B Corp) and an asset manager. We work for people and the planet – designing, financing, developing and operating transformational infrastructure for the long term, and investing in green impact SMEs.
Read about us
Sustainable mobility
Driven by our mission, we are dedicated to the UN Sustainable Development Goals, determined to make them a reality, addressing what we believe are the world’s most pressing challenges – building resilient communities, tackling climate change and protecting the environment.
Innovative low carbon solutions
Investing responsibly has the power to build economic growth and dramatically improve people’s lives.
Green Impact SMEs
For today’s world, tomorrow’s progress and the good of future generations.
2005
Founded, Paris headquartered
c. €24bn
Assets Under Management*
130+
Projects under development, construction or in operation around the world*
c. €100 billion
invested since inception*
* as of Dec 2025
Latest news
23.07.2026
Successful refinancing of Netcity Telecom, Bucharest’s digital infrastructure backbone
22.07.2026
Meridiam leads a €23m investment in Chargepoly to accelerate the deployment of charging solutions for heavy-duty electric vehicles
08.07.2026
Meridiam and Guy’s and St Thomas’ NHS Foundation Trust launch strategic partnership to accelerate decarbonisation and modernise energy systems in healthcare facilities
