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Meridiam

Meridiam

Paris, France·Founded 2005·meridiam.com

Meridiam is an independent Paris-based investment manager founded in 2005 by Thierry Deau, specialising in the development, financing and long-term management of sustainable public infrastructure. It invests through a 25-year buy-and-hold model across transport, energy transition, social and digital infrastructure in Europe, North America and Africa, and has been involved in more than 130 projects. Meridiam manages over 23 billion US dollars of assets and is majority owned by its founder and employees, with Samsung Life Insurance holding a minority stake.

AUM
€21.2B
Funds
5
vintages 2008–2020
Portfolio
14
Exits
0
SectorsEnergyIndustrialsHealthcare

Key facts

HQParis, France
Founded2005
Employees400+

Recent exits

No exits recorded yet.

Coverage notes

5 funds tracked, 14 portfolio companies (14 active · 0 realized). Verified weekly from public filings and deal announcements.

Funds & portfolio

Every fund Meridiam has raised, with its portfolio companies. Hand-checked from public filings.

5 funds
Meridiam Green Impact Growth FundImpact
2020 · 6yr€440M3 active

Unrealized

3 held
EnergyFrance· Entry 2019
EnergyTogo· Entry 2019
VoltalisActive
EnergyFrance· Entry 2020
Meridiam Infrastructure Europe IIIInfrastructure
2016 · 10yr€1.3B1 active

Unrealized

1 held
LogisticsFrance· Entry 2015
Meridiam Infrastructure Africa FundInfrastructure
2015 · 11yr€546M1 active

Unrealized

1 held
MobilityGabon· Entry 2021
Meridiam Infrastructure North America IIInfrastructure
2012 · 14yr€966M5 active

Unrealized

5 held
HealthcareCanada· Entry 2010
MobilityUnited States· Entry 2016
Business ServicesUnited States· Entry 2010
MobilityUnited States· Entry 2009
MobilityUnited States· Entry 2009
Meridiam Infrastructure IInfrastructure
2008 · 18yr€548M4 active

Unrealized

4 held
MobilityPoland· Entry 2008
MobilityAustria· Entry 2006
MobilityIreland· Entry 2006
MobilityFrance· Entry 2010
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Last updated July 2026 · Sourced from public filings