Best Environment Companies in Ile de France, France

Provider of advanced nuclear energy technologies, focused on designing, building, and operating small modular lead-cooled fast reactors. The company focuses on small modular reactors that recycle nuclear waste into fuel, closing the fuel cycle for sustainable power. The reactors use liquid lead cooling and fast neutron flux to avoid long-lived radioactive waste like plutonium and reduce the need for geological storage. ​

Funding rounds

• Feb 2026Series B$85M
• Sep 2024Series B$151M
• May 2024Series B$109.4M
• Mar 2023Series B—

Founders & team

Luciano CinottiCo-Founder & CSOElisabeth RizzottiFounder & Chief Operating Officer – Managing Director ItalyMiroslav SarisskyManaging Director

Investors

Exor, LIFTT, Club degli Investitori, Gov, MITO Technology, Progress Tech Transfer

Tech stack

Apache Http ServerAzureAzure Front DoorBootstrapContentfulDocusign

Developer of textile regeneration system to recirculate and recover textile waste. The company focuses on recovering textile waste before it becomes waste. It regenerates textiles into materials for new use. The company aims to redesign the textile system end to end.

Funding rounds

• Apr 2026Grant (prize money)$155.3M

Founders & team

Patrik FriskChief Executive Officer

Investors

Rijksdienst voor Ondernemend Nederland

Tech stack

Acquia Cloud PlatformAmazon Web ServicesDrupalDrupal MultisiteGoogle Tag ManagerHsts

Provider of fiber recycling services

Funding rounds

• Nov 2025Series B$11.5M
• Apr 2025Series B$28.6M
• Apr 2025Venture Debt$27M
• Nov 2022Series A$35.1M

Founders & team

Benjamin SaadaFounder

Investors

Singular, Temasek, CNP, Pictet Group, The Friedkin Group, Bpifrance

Tech stack

Apple Icloud MailCloudflareCloudflare Bot ManagementCore-JsDocusignGoogle Workspace

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Funding rounds

• Jul 2025Series B$27.1M

Founders & team

Nicolas SerrieCEO

Investors

Bpifrance

Independent solar power producer

Funding rounds

• Nov 2024Series C$58.9M
• Nov 2021Series B$45.1M
• Jun 2020Series A$4.5M

Founders & team

Mathieu LassagneCEO

Investors

Demeter, HTGF, everWatt, Marguerite, SOREGIES, Amundi

Tech stack

Apache Http ServerContact Form 7Google Font ApiIonosMicrosoft 365Mysql

Horizontally integrated recycling company

Funding rounds

• Dec 2023Grant (prize money)$133.8K
• Nov 2023Grant (prize money)$578K
• Oct 2023Grant (prize money)$569K
• Mar 2022Series B—

Founders & team

JeanLuc PetithugueninCo-Founder

Investors

BNP Paribas Developpement, Vauban Infrastructure Partners, Quilvest, EMZ Partners, Economy And Finance, Europa

Tech stack

AccessibeApple Icloud MailAxeptioBeaver BuilderCloudflareCloudflare Bot Management

Smart Energies is an active participant in energy transition, focusing on developing, financing, constructing, and operating renewable energy production sites.

Funding rounds

• Jun 2024Series C$93.8M

Founders & team

Vianney l EstangCEO

Investors

Plenium Partners, SWEN Capital Partners, RGREEN INVEST

Tech stack

Apache Http ServerAxeptioCdnjsCloudflareCloudflare Bot ManagementCraft Cms

Provides alumina refining from low grade bauxite

Funding rounds

• Nov 2024Series A—
• Feb 2024Series A$8.6M

Founders & team

Yves OccelloFounder & CEO

Investors

Glencore, Otium Capital

Infrastructure fund focused on renewable energy investments

Funding rounds

• Apr 2024Series C$64.2M
• Sep 2021Series B—

Founders & team

Tomoaki OkuboDeputy CEOAntoine VeyreCFO & Deputy CEO - NOA - Meridiam

Investors

Mirova, 3i Group, Banque des Territoires, EDF, Meridiam

Tech stack

WordpressMysqlPhpUbuntuYoast SeoApache Http Server

Provider of regenerative agriculture solutions and satellite-based analysis tools. It offers site analysis using satellite imagery to assess land restoration potential. A modelization tool, using satellite imagery and plant databases, designs regenerative agriculture projects based on client goals and constraints. The company also provides tailored agronomic partnerships, offering comprehensive support for project planning and execution, from soil regeneration to crop optimization. This support includes guidance on biodiversity improvement, increased food production, and economic opportunity creation.

Funding rounds

• May 2025Grant (prize money)$50K
• Jan 2023Seed$1M

Founders & team

Michele PatiernoCo-Founder

Investors

BFA, Katapult, Catalyst Fund, UM6P

Tech stack

CloudflareCloudflare Bot ManagementCore-JsGoogle WorkspaceHstsHttp/3

Provider of electricity generation and other energy services. It is a global energy actor and expert in electricity, natural gas, and energy services. The company provides access to sustainable energy, mitigation, and adaptation to climate change, the security of supply and rational use of resources. It also offers tailored energy services to sectors such as cities, industries, tertiary businesses, and individuals to support zero-carbon targets and energy efficiency. In 2022, the company recorded annual revenues of $98.65B and a net profit of $0.23B.

Funding rounds

• Feb 2024Post IPO—
• Nov 2023Grant (prize money)$371.7K
• Dec 2021Grant (prize money)$3.2M
• Sep 2021Grant (prize money)$408K

Founders & team

Henri DomenachManaging DirectorCatherine MacgregorCEOCharles-Edouard DelpierreCEO Tractebel France

Investors

Europa, Goldman Sachs, The Abraaj Group, Gov, RIO Ventures Holdings, Aureleon

Tech stack

AlgoliaAmazon AlbAmazon CloudfrontAmazon SesAmazon Web ServicesApache Http Server

Developer of nuclear energy project

Funding rounds

• Nov 2023Series C$65.8M

Founders & team

Ivan GavriloffCo-Founder

Investors

Gouv.fr