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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
$46.9M
Global Reach
10
countries

Top Cities for CleanTech

Amsterdam
Oxford
Portland
Singapore
Roma
San Francisco

Recently Funded Companies

Export
Amsterdam, The Netherlands

The integrated sustainability platform platform for mid-market companies.

$1.6M raised
Mar 2023

Founder Contacts

30,000+ verified contacts

Oxford, United Kingdom

Bockatech develops EcoCore, an injection moulding technology that creates plastic packaging that is insulated, reusable and recyclable.

$2.4M raised
Mar 2023

Founder Contacts

30,000+ verified contacts

Portland, United States

HILOS is an end-to-end innovation platform for brands to launch digitally crafted footwear without inventory or end-of-life waste.

$5.0M raised
Mar 2023

Founder Contacts

30,000+ verified contacts

Singapore, Singapore

Green Li-ion is a deep clean technology that solves the existential risk to the precious metals industry and the environment.

$20.5M raised
Mar 2023

Founder Contacts

30,000+ verified contacts

Roma, Italy

Removing pollution by driving vehicles

$256K raised
Mar 2023

Founder Contacts

30,000+ verified contacts

San Francisco, United States

Banyan Infrastructure is a project finance software platform designed to standardize and accelerate sustainable infrastructure financing.

$25.0M raised
Mar 2023

Founder Contacts

30,000+ verified contacts

London, United Kingdom

1Bn smartphones stop being used, every year. With A.I. proprietary technology, we enable consumers to trade in their smartphones in 3 mins

$7.0M raised
Mar 2023

Founder Contacts

30,000+ verified contacts

London, United Kingdom

RheEnergise is a long-duration energy storage technology company

Feb 2023

Founder Contacts

30,000+ verified contacts

Los Angeles, United States

ChargerHelp! provides on-demand repairs and maintenance support from trained and supported local workforces.

$17.5M raised
Feb 2023

Founder Contacts

30,000+ verified contacts

Trondheim, Norway

Seaweed Solutions is a seaweed cultivator, innovator, and business development company.

$4.7M raised
Jan 2023

Founder Contacts

30,000+ verified contacts

Thessaloniki, Greece

BIO2CHP offers micro-scale bio-based energy production units for small and medium agro-industries with organic wastes.

$535K raised
Jan 2023

Founder Contacts

30,000+ verified contacts

Tel Aviv, Israel

Indoor Air Quality (IAQ)

$9.0M raised
Jan 2023

Founder Contacts

30,000+ verified contacts

Redwood City, United States

SB Energy is a digital infrastructure and energy platform that develops, constructs, and operates energy and digital solutions.

$1.0B raised
Jan 2026

Founder Contacts

30,000+ verified contacts

Fort Lauderdale, United States

EnergyX is a clean technology company that optimizes the lithium extraction process.

$2.0M raised
Jan 2025

Founder Contacts

30,000+ verified contacts

Portland, United States

We democratize Facility Management for Priority Populations.

Jan 2023

Founder Contacts

30,000+ verified contacts

Midland, United States

Novoreach Technologies develops innovative material solutions for clean energy and environment applications.

$200K raised
Jan 2022

Founder Contacts

30,000+ verified contacts

San Francisco, United States

Effa is a consumer goods company that produces and sells eco-friendly razors and toothbrushes.

$150K raised
Jan 2023

Founder Contacts

30,000+ verified contacts

New York, United States

Kintra Fibers has developed a proprietary bio-based and compostable polymer optimized for synthetic textile manufacturing and applications.

$7.9M raised
Jan 2023

Founder Contacts

30,000+ verified contacts

Singapore, Singapore

August Energy helps businesses achieve profitable, scalable decarbonisation through renewable, storage, cooling, and bioenergy solutions.

Jan 2026

Founder Contacts

30,000+ verified contacts

London, United Kingdom

Redigo is a sustainability platform that with use of Machine Learning allows companies to track, analyse and act on their carbon footprint.

$273K raised
Jan 2023

Founder Contacts

30,000+ verified contacts

Hayward, United States

Visolis provides biomanufacturing solutions by combining synthetic biology and chemical catalysis to produce bio-based chemicals and fuels.

$2.9M raised
Jan 2026

Founder Contacts

30,000+ verified contacts

Madrid, Spain

TetraxAI is a clean technology company that provides an AI-powered software platform for renewable energy infrastructure projects.

$1.4M raised
Jan 2026

Founder Contacts

30,000+ verified contacts

Berlin, Germany

Goodcarbon offers access to existing and emerging natural climate solutions projects and related carbon streams across soil and forest.

Dec 2024

Founder Contacts

30,000+ verified contacts

Trondheim, Norway

CrayoNano is a semiconductor company, manufacturer of hybrid material based UV-C LEDs for disinfection.

$1.6M raised
Dec 2021

Founder Contacts

30,000+ verified contacts

Itzehoe, Germany

Innovative cells, High performance batteries, Lithium ion, cells, Automotive cells, Aviation cells, High Si cells, battery technology

$63.3M raised
Dec 2022

Founder Contacts

30,000+ verified contacts

Showing 601 to 625 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
$46.9M
Total Funding Tracked
$1.2B
Countries Represented
10

Distribution by Funding Stage

Other25 companies

Top Cities for CleanTech

1.London
3 companies$7.3M
2.Portland
2 companies$5.0M
3.Singapore
2 companies$20.5M
4.San Francisco
2 companies$25.1M
5.Trondheim
2 companies$6.2M

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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