Meridiam
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.
Meridiam is a Paris private equity firm with €21.2B AUM and 65 active companies.
- ·Top sector focus: Mobility (32% of portfolio).
- ·Fund cadence: ~2Y between vintages · last raise 2025.
Sector breakdown
65 companiesGeography breakdown
27 geographiesKey facts
Recent exits
No exits recorded yet.
Coverage notes
8 funds tracked, 65 portfolio companies (65 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.
Meridiam Infrastructure North America IVInfrastructure2025€1.6B14 assetsInfrastructure2025 · 1yr€1.6B14–
Unrealized
14 held| Company | Entry |
|---|---|
| Alabama Fiber Networks (mStreet Fiber Alabama) Telecom · United States | 2024 |
| Aqaba-Amman Water Desalination and Conveyance Project Jordan | 2024 |
| Cardiff and Vale College Project United Kingdom | 2025 |
| Green North Energy ClimateTech · Finland | 2024 |
| Ilitha Telecommunications Telecom · South Africa | 2025 |
| La Plateforme Digital Campus France | – |
| Memphis Fiber Networks (mStreet Fiber Memphis) Telecom · United States | 2024 |
| Reno Airport Ground Transportation Center United States | 2024 |
| SEM Energies de Dijon Métropole Energy · France | 2025 |
| Siruai Wind and Storage ClimateTech · Kenya | 2023 |
| SR 400 Express Lanes Mobility · US | 2025 |
| St Thomas’ Hospital Energy Infrastructure Partnership Energy · United Kingdom | 2026 |
| Suez Wind Energy Energy · Egypt | 2025 |
| Yci Enfance France | 2024 |
Meridiam Green Impact Growth FundImpact2020€440M9 assetsImpact2020 · 6yr€440M9–
Unrealized
9 held| Company | Entry |
|---|---|
| Blyyd France | 2026 |
| CEOG West Guyana Power Plant ClimateTech · France | 2019 |
| Chargepoly ClimateTech · France | 2026 |
| Exoes Industrials · France | 2024 |
| Exoès France | 2024 |
| iwell Netherlands | 2025 |
| Oxand SaaS · France | 2025 |
| Togo Solar Power Plant Energy · Togo | 2019 |
| Voltalis ClimateTech · France | 2020 |
Meridiam Infrastructure North America IIIInfrastructure2017€1.3B5 assetsInfrastructure2017 · 9yr€1.3B5–
Unrealized
5 held| Company | Entry |
|---|---|
| Alberta Fiber Networks (A-NET) Telecom · Canada | 2022 |
| Central 70 (C-70 Highway) Mobility · US | 2017 |
| Conrac Solutions Mobility · US | 2023 |
| Fresno State University Central Utility Plant Energy · US | 2021 |
| University of Iowa Utility System Energy · US | 2020 |
Meridiam Infrastructure Europe IIIHarvestingInfrastructure2016€1.3B16 assetsInfrastructure2016 · 10yr€1.3B16–
Unrealized
16 held| Company | Entry |
|---|---|
| A465 Road Mobility · UK | 2020 |
| A49 Motorway Mobility · Germany | 2020 |
| Amman Queen Alia International Airport Mobility · Jordan | 2018 |
| Aragon Roads Mobility · Spain | 2024 |
| Ausol (Autopista del Sol) Mobility · Spain | 2019 |
| Calais Port 2015 Logistics · France | 2015 |
| D4 Motorway Mobility · Czech Republic | 2021 |
| Elazig Integrated Healthcare Campus Healthcare · Turkey | 2016 |
| Espoo Schools and Day Care Centers Education · Finland | 2020 |
| Firenze Tramway Mobility · Italy | 2024 |
| Gaziantep Hospital Healthcare · Turkey | 2021 |
| German Fibre with Vodafone Telecom · Germany | 2024 |
| Great Sea Interconnector Energy · Greece | 2024 |
| NeuConnect Interconnector Energy · Germany | 2022 |
| Norscut Highway Mobility · Portugal | 2016 |
| Olsztyn Waste to Energy Plant Energy · Poland | 2019 |
Meridiam Infrastructure Africa FundInfrastructure2015€546M9 assetsInfrastructure2015 · 11yr€546M9–
Unrealized
9 held| Company | Entry |
|---|---|
| Biovea Biomass Plant Energy · Ivory Coast | 2021 |
| BTE Renewables Energy · South Africa | 2023 |
| Bus Rapid Transit Dakar Mobility · Senegal | 2022 |
| Kinguele Aval Hydropower Plant Energy · Gabon | 2021 |
| Nouakchott Port Logistics · Mauritania | 2019 |
| Owendo Mineral Port Logistics · Gabon | 2017 |
| Scaling Solar Kael (Touba) Energy · Senegal | 2019 |
| Scaling Solar Kahone Energy · Senegal | 2019 |
| Setrag Transgabonais Railway Mobility · Gabon | 2021 |
Meridiam Infrastructure North America IIHarvestingInfrastructure2012€966M6 assetsInfrastructure2012 · 14yr€966M6–
Unrealized
6 held| Company | Entry |
|---|---|
| CHUM Montreal Research Centre Healthcare · Canada | 2010 |
| LaGuardia Central Terminal B Mobility · US | 2016 |
| Long Beach Courthouse Business Services · US | 2010 |
| North Tarrant Express Mobility · US | 2009 |
| North Tarrant Express Segment 3 Mobility · US | 2013 |
| Port of Miami Tunnel Mobility · US | 2009 |
Meridiam Infrastructure Europe IIHarvestingInfrastructure2009€1.0B2 assetsInfrastructure2009 · 17yr€1.0B2–
Unrealized
2 held| Company | Entry |
|---|---|
| Adana Integrated Healthcare Campus Healthcare · Turkey | 2014 |
| Yozgat Hospital Healthcare · Turkey | 2015 |
Meridiam Infrastructure IRealizedInfrastructure2008€548M4 assetsInfrastructure2008 · 18yr€548M4–
Unrealized
4 held| Company | Entry |
|---|---|
| A2 Motorway Poland Mobility · Poland | 2008 |
| A5 Motorway Austria Mobility · Austria | 2006 |
| Limerick Tunnel Mobility · Ireland | 2006 |
| South Europe Atlantic High-Speed Rail Mobility · France | 2010 |
Frequently asked questions
- How many portfolio companies does Meridiam have?
- Meridiam has 65 active portfolio companies and 8 funds tracked on GP Intel.
- Where is Meridiam headquartered?
- Meridiam is headquartered in Paris, France.
- What is Meridiam's assets under management?
- Meridiam manages approximately €21.2B in assets under management.
- When was Meridiam founded?
- Meridiam was founded in 2005.
- What sectors does Meridiam invest in?
- Meridiam invests across Energy, Industrials, Healthcare.
Similar firms
Other private equity firms tracked on GP Intel.