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Undisclosed Sustainability Companies

Explore 17 sustainability startups that raised undisclosed funding. Access verified founder contact information and fundraising data.

Total Companies
17
Total Funding
$115.3M
Avg Funding
$6.8M
Cities
17

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Cleburne, United States
$47.0M
raised

An alternative solution to traditional agriculture; providing safe, always-available, locally-grown produce for grocery and retail.

Sep 2022
Undisclosed

Founder Contacts

30,000+ verified contacts

Berkeley, United States

Brimstone is a hardware cleantech startup that aims to reduce CO2 emissions through innovative technologies.

Aug 2025
Undisclosed

Founder Contacts

30,000+ verified contacts

Saint Johnsbury, United States
$310K
raised

Northeast Kannabis is a cannabis dispensary that provides a range of cannabis products.

Aug 2022
Undisclosed

Founder Contacts

30,000+ verified contacts

Bordeaux, France
$2.9M
raised

Seaturns converts wave energy into electricity with patented technology, focusing on sustainable energy solutions.

Jul 2025
Undisclosed

Founder Contacts

30,000+ verified contacts

East Setauket, United States
$3.7M
raised

A decentralized network of fully-automated indoor vertical farms.

Jul 2023
Undisclosed

Founder Contacts

30,000+ verified contacts

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Delft, The Netherlands
$1.4M
raised

Tarnoc is a forward-thinking business that is committed to creating a novel heat pump technology.

Jun 2025
Undisclosed

Founder Contacts

30,000+ verified contacts

$371K
raised

CYTOK turns hydrogen & CO₂ into green methane. Patented CCU/CCR tech for MW-scale storage & full energy autonomy

Jun 2025
Undisclosed

Founder Contacts

30,000+ verified contacts

San Clemente, United States
$440K
raised

Nomadix manufactures towels for yoga, beach, camping, and travel made from certified recycled materials.

Apr 2022
Undisclosed

Founder Contacts

30,000+ verified contacts

Oban, United Kingdom
$11.7M
raised

Oceanium develops innovative, all-natural food and nutraceutical products and sustainable materials from sustainably-sourced seaweed.

Apr 2025
Undisclosed

Founder Contacts

30,000+ verified contacts

Melbourne, Australia
$650K
raised

FMN is an organization focused on empowering Generation Z youth through entrepreneurship, life skills, and employability programs.

Mar 2026
Undisclosed

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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London, United Kingdom
$7.6M
raised

Renovare Fuels specialises in the conversion of biogenically produced gas from AD facilities to high-grade petrol and diesel fuel.

Mar 2024
Undisclosed

Founder Contacts

30,000+ verified contacts

Sheridan, United States
$30.0M
raised

Plus Brand is a Developing products and technologies that meaningfully improve the day-to-day well being

Mar 2025
Undisclosed

Founder Contacts

30,000+ verified contacts

Barcelona, Spain

SolarMente installs and finances solar rooftops in Spain

Mar 2024
Undisclosed

Founder Contacts

30,000+ verified contacts

Lausanne, Switzerland

CompPair is solving damage issues for the composite materials industry by developping smart sustainable textile systems.

Feb 2026
Undisclosed

Founder Contacts

30,000+ verified contacts

Vienna, Austria
$315K
raised

GLEAM develops, produces and sells electric Cargo Bikes to LastMile logistics companies in Europe

Dec 2022
Undisclosed

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
Unlimited exports
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Louisville, United States
$1.7M
raised

FreshFry manufactures a product that extends cooking oil life.

Dec 2023
Undisclosed

Founder Contacts

30,000+ verified contacts

Minneapolis, United States
$7.2M
raised

BanQu is a SaaS company that offers a software platform to generate data and insights for compliance and revenue analysis.

Dec 2024
Undisclosed

Founder Contacts

30,000+ verified contacts

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