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CleanTech Startups

Updated July 2026

Companies in the cleantech sector developing innovative solutions and technologies.

Explore 820 recently funded cleantech companies with verified founder contact information and fundraising data.

Total Companies
820
Total Funding
$1.2B
Avg Funding
$46.8M
Global Reach
10
countries

Top Cities for CleanTech

Walldorf
Toronto
Berlin
Thousand Oaks
Nibancho
London

Recently Funded Companies

Export
Walldorf, Germany

FuelSave is a disruptive energy efficiency enhancement company that provides innovative solutions.

Jun 2022

Founder Contacts

30,000+ verified contacts

Toronto, Canada

Creative Destruction Lab provides an early-stage startup program that helps entrepreneurs develop technology-based ventures.

$10.6M raised
Jun 2026

Founder Contacts

30,000+ verified contacts

Berlin, Germany

Building Germany's off-grid EV charging network with hybrid solar & wind carports.

$351K raised
Jun 2025

Founder Contacts

30,000+ verified contacts

Thousand Oaks, United States

Hago Energetics is a thermochemical capture and conversion of agricultural waste, animal waste, and carbon dioxide into useful products.

Jun 2023

Founder Contacts

30,000+ verified contacts

Nibancho, Japan

BEAM Technologies is an electronics company that focuses on designing and developing semiconductor sources of electricity.

Jun 2026

Founder Contacts

30,000+ verified contacts

London, United Kingdom

Rent-backed financing

$27.2M raised
Jun 2025

Founder Contacts

30,000+ verified contacts

Calgary, Canada

ElectroKinetic Solutions focuses on developing technologies for dewatering and decontaminating using novel electro-kinetics applications.

$183K raised
Jun 2024

Founder Contacts

30,000+ verified contacts

New York, United States

Synop develops a smart charging platform for commercial EV fleets.

$10.0M raised
Jun 2022

Founder Contacts

30,000+ verified contacts

London, United Kingdom

Circulor is a blockchain sustainability company that offers traceability-as-a-service and supply chain solutions for manufacturers.

$25.2M raised
Jun 2022

Founder Contacts

30,000+ verified contacts

London, United Kingdom

Gigaton is a climate technology company developing artificial intelligence to decarbonize energy-intensive industries.

$26.0M raised
Jun 2026

Founder Contacts

30,000+ verified contacts

London, United Kingdom

Isometric is a registry for high quality science-backed carbon removal credits.

$40.0M raised
Jun 2026

Founder Contacts

30,000+ verified contacts

Toronto, Canada

Embedded trade-in platform for online stores. Merchants offer instant trade-in for store credit, SELLIT9 handles everything end-to-end.

$2.9M raised
Jun 2026

Founder Contacts

30,000+ verified contacts

London, United Kingdom

SulNOx Group provides fuel conditioning processes and products that increase fuel efficiencies and thus reduce emissions.

$145K raised
Jun 2026

Founder Contacts

30,000+ verified contacts

Rome, Italy

ISCLEANAIR, global leader in ambient air pollution abatement, revolutionizes the cleantech, environmental and energy efficiency sectors

$297K raised
Jun 2022

Founder Contacts

30,000+ verified contacts

Valencia, Spain

Crowmie is the first investment platform in tokenize renewable energy projects.

$328K raised
Jun 2023

Founder Contacts

30,000+ verified contacts

Dover, United States

Material Evolution develops ultra-low carbon cement solutions that leverage AI to revolutionize construction and cut CO₂ emissions.

Jun 2025

Founder Contacts

30,000+ verified contacts

Miami, United States

$200B+ TAM | Raising Series A | 17 kt H₂/year Platform | Natural Hydrogen & Geothermal | Carbon-Negative | ESG Capital

$3.0M raised
Jun 2023

Founder Contacts

30,000+ verified contacts

Florø, Norway

Thalasso is an ocean start-up committed to sustainable seaweed management, turning the sargassum problem into a solution.

$40K raised
Jun 2024

Founder Contacts

30,000+ verified contacts

Córdoba, Argentina

Kilimo is a Big Data solution for water management in agriculture.

$7.5M raised
Jun 2024

Founder Contacts

30,000+ verified contacts

Waterbury, United States

NOMAD Transportable Power Systems offers patent-pending technologies to fit any project or application need.

$6.5M raised
Jun 2026

Founder Contacts

30,000+ verified contacts

Los Angeles, United States

Avantus develops large-scale solar and solar-plus-storage projects to drive the adoption of zero-emission energy.

$500.0M raised
Jun 2025

Founder Contacts

30,000+ verified contacts

Göteborg, Sweden

Atium is developing a new generation of water treatment technologies for heavy metal removal.

$640K raised
Jun 2024

Founder Contacts

30,000+ verified contacts

Chicago, United States

Ourea Energy is a clean tech company that offers gravity-powered energy storage solution for data centers and independent power producers.

$250K raised
Jun 2026

Founder Contacts

30,000+ verified contacts

Woburn, United States

Phoenix Tailings is a rare earth metals production company that transforms mining waste (tailings) into usable rare earth metals and alloys.

$500.0M raised
Jun 2026

Founder Contacts

30,000+ verified contacts

San Francisco, United States

Station A is a technology company reimagining how clean energy is bought and sold.

$8.0M raised
Jun 2025

Founder Contacts

30,000+ verified contacts

Showing 151 to 175 of 820 companies

About the CleanTech Startup Ecosystem

The cleantech sector is an active area of startup innovation and venture capital investment. Companies in this space are developing new technologies, platforms, and services that address evolving market needs and create new business opportunities.

Funding Trends in CleanTech

CleanTech companies raise capital across various funding stages, from early seed rounds to late-stage growth financing. Investor interest in this sector is driven by the size of the addressable market, the pace of technology adoption, and the potential for scalable business models.

Growth Outlook

The cleantech sector is expected to continue evolving as technology advances, market dynamics shift, and new opportunities emerge. Companies that demonstrate strong product-market fit, efficient growth, and clear competitive advantages are well-positioned to attract continued investment.

CleanTech Funding Breakdown

Here is how funding is distributed among the 820 cleantech companies tracked in the VCBacked database.

Average Funding
$46.8M
Total Funding Tracked
$1.2B
Countries Represented
10

Distribution by Funding Stage

Other25 companies

Top Cities for CleanTech

1.London
5 companies$118.6M
2.Toronto
2 companies$13.5M
3.Walldorf
1 companiesUndisclosed
4.Berlin
1 companies$351K
5.Thousand Oaks
1 companiesUndisclosed

Related Industries

Companies in the cleantech sector often overlap with or complement businesses in adjacent industries. Exploring related verticals can help you discover additional companies, identify partnership opportunities, and understand the broader competitive landscape.

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