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CleanTech Startups

Updated August 2026

Companies in the cleantech sector developing innovative solutions and technologies.

Explore 837 recently funded cleantech companies with verified founder contact information and fundraising data.

Total Companies
837
Total Funding
$172.4M
Avg Funding
$6.9M
Global Reach
9
countries

Top Cities for CleanTech

Oxford
Lowell
San Jose
Izmir
Newark
Singapore

Recently Funded Companies

Export
Oxford, United Kingdom

Biomicrogels Group is the developer and patent holder for biomicrogels capable of addressing the global environmental problems

$5.3M raised
Jan 2022

Founder Contacts

41,000+ verified contacts

Lowell, United States

Phase Two Chemicals is a clean chemistry company developing breakthrough technology for on-site hydrogen peroxide production.

$12.0M raised
Jan 2022

Founder Contacts

41,000+ verified contacts

San Jose, United States

Full Cycle Bioplastics converts organic waste into PHA material for businesses.

Jan 2022

Founder Contacts

41,000+ verified contacts

Izmir, Turkey

Blueit digitizes the entire water cycle and turns water data into intelligent, scalable sustainability actions.

$470K raised
Nov 2025

Founder Contacts

41,000+ verified contacts

Newark, United States

FreeWire Technologies is a provider of ultrafast electric vehicle (EV) charging solutions that mitigate the impact on the grid.

$29.2M raised
Nov 2023

Founder Contacts

41,000+ verified contacts

Singapore, Singapore

CenoBots, short for Cenozoic Robotics, is a leading commercial cleaning robotics company.

$14.1M raised
Nov 2025

Founder Contacts

41,000+ verified contacts

Munich, Germany

Battery infrastructure for electrified depots and industrial hubs.

$4.3M raised
Nov 2025

Founder Contacts

41,000+ verified contacts

Nantes, France

Simple, powerful floating solar technology

Nov 2023

Founder Contacts

41,000+ verified contacts

Brussels, Belgium

Textile Disassembly, Textile Recycling, Ecodesign, Circular Fashion, Design for Disassembly, Sustainable Fashion

$7.0M raised
Nov 2025

Founder Contacts

41,000+ verified contacts

Oslo, Norway

Flocean delivers subsea pumping systems for providing clean drinking water in the region.

$22.5M raised
Nov 2025

Founder Contacts

41,000+ verified contacts

Berthoud, United States

Living Ink Technologies is developing bio-based pigments for ink, dying, leathers, plastics and rubbers

$250K raised
Nov 2025

Founder Contacts

41,000+ verified contacts

Las Vegas, United States

Promethium provides commercial HVAC air purification systems.

$285K raised
Nov 2022

Founder Contacts

41,000+ verified contacts

San Francisco, United States

Recytics is an AI platform that provides real-time waste flow insights to improve sorting and optimize collection operations.

$2.5M raised
Nov 2025

Founder Contacts

41,000+ verified contacts

Brooklyn, United States

Amogy offers carbon-free energy solutions using ammonia cracking technology.

$15.0M raised
Nov 2025

Founder Contacts

41,000+ verified contacts

London, United Kingdom

eleXsys Energy operates as a cleantech energy company.

$2.7M raised
Nov 2021

Founder Contacts

41,000+ verified contacts

Miami, United States

BetaBlocks is a web 3.0 infrastructure company. We provide a white label solution for brands to create digital asset marketplaces.

$1.5M raised
Nov 2021

Founder Contacts

41,000+ verified contacts

Tallinn, Estonia

Delivering Sustainable Energy to Humanity

$3.2M raised
Nov 2023

Founder Contacts

41,000+ verified contacts

Oslo, Norway

Digital infrastructure for a Circular Economy

$554K raised
Nov 2022

Founder Contacts

41,000+ verified contacts

Issy-les-moulineaux, France

EODev creates and commercializes sustainable, dependable, and cost-effective hydrogen-based energy solutions.

$49.9M raised
Nov 2023

Founder Contacts

41,000+ verified contacts

Ithaca, United States

Clean Label Solution aim is to leverage revolutionary technology to give clients with low-cost, green, and sustainable solutions.

$250K raised
Nov 2023

Founder Contacts

41,000+ verified contacts

Brussels, Belgium

Permafungi is a fungiculture company that is involved in growing mushrooms and also sells the byproduct as fertilizer.

$1.2M raised
Nov 2025

Founder Contacts

41,000+ verified contacts

Evansville, United States

Heliponix is a agricultural firm that develops products for users to enjoy fresher produce while reducing water and food waste.

$175K raised
Nov 2024

Founder Contacts

41,000+ verified contacts

Denver, United States

Blaze Energy Technologies is a manufacturing company that develops technologies to adopt alternative fuels through existing engines.

Nov 2024

Founder Contacts

41,000+ verified contacts

Reno, United States

Hyper-efficient Air-Conditioning Hardware Company

$95K raised
Nov 2025

Founder Contacts

41,000+ verified contacts

Scottsdale, United States

CIRQ+ is a retrofit cleantech automation system that reduces energy costs and lowering carbon emissions with plug-and-play technology.

Nov 2023

Founder Contacts

41,000+ verified contacts

Showing 751 to 775 of 837 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 837 cleantech companies tracked in the VCBacked database.

Average Funding
$6.9M
Total Funding Tracked
$172.4M
Countries Represented
9

Distribution by Funding Stage

Other25 companies

Top Cities for CleanTech

1.Brussels
2 companies$8.1M
2.Oslo
2 companies$23.1M
3.Oxford
1 companies$5.3M
4.Lowell
1 companies$12.0M
5.San Jose
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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837 CleanTech Startups (2026) — Recently Funded — Page 31 | VCBacked