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Climate & Clean Energy Startups in Connecticut

Discover the Climate & Clean Energy startup scene in Connecticut with 5 investors and startups. Browse 5 investors focused on Climate & Clean Energy and 0 startups building Climate & Clean Energy solutions in Connecticut. 1 investors are actively deploying capital in this space.

5
Investors
0
Startups
$187K
Avg Check
0%
With Revenue
Greenwich
Top City
20%
Active Investors

Investors (5)

View all Connecticut investors →

AIF

Angel Investor Forum

Angel

Connecticut

Check: $100K – $1.0M
BIO HEALTHCAREBIOTECHHEALTHCARE SAAS+17

The Angel Investor Forum (AIF) is a Connecticut-based angel group investing in early-stage companies with solid business models and growth potential. AIF members invest together, providing capital...

Exploring2 portfolio co.
WebsiteLinkedIn

Landmark Angels Inc

Landmark Angels Inc

Angel

Greenwich, CT

Check: $250K – Varies
BIOTECHBIO HEALTHCAREMEDICAL DEVICES+7

Provide equity capital to early and growth-stage companies across biotech, digital health, cleantech, fintech, edtech, agtech, emerging technologies and consumer products. Host by-invitation investor...

Exploring
WebsiteLinkedIn

Angel Investor Forum

Angel Investor Forum

Angel

Fairfield, Connecticut

Check: $125K – $150K
BIO HEALTHCAREMEDICAL DEVICESAI ML+5

AIF pools member capital and expertise to invest in high-potential early-stage companies (primarily CT and US-based), providing disciplined due diligence, education, and hands-on support. The group...

Exploring1 portfolio co.
WebsiteLinkedIn

Marty Isaac

Angel Investor Forum

Angel

Fairfield, Connecticut

Check: $125K – $150K
BIOTECHMEDICAL DEVICESHEALTHCARE SAAS+6

Early-stage angel group (Angel Investor Forum, founded 2004) and AIF Seed Fund V investing primarily in Connecticut and US-based startups across life sciences, medical devices, SaaS, AI, clean...

Exploring5 portfolio co.
WebsiteLinkedIn

William S. Podd

Landmark Angels

Angel

Greenwich, CT

Check: $250K
BIO HEALTHCAREBIOTECHDIGITAL HEALTH+9

Landmark Angels is a national private angel group based in Greenwich, CT, investing in early and growth-stage companies across life sciences, healthcare, digital health, medical devices,...

Exploring47 portfolio co.
WebsiteLinkedIn

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About Climate & Clean Energy in Connecticut

The Climate & Clean Energy scene in Connecticut features 5 investors and 0 startups focused on climate & clean energy innovation.

1 Climate & Clean Energy investors in Connecticut have made recent investments. The average check size is $187K.

Frequently Asked Questions

How many investors and startups are in Climate & Clean Energy in Connecticut?
We track 5 investors and 0 startups in Climate & Clean Energy in Connecticut. 1 investors have made recent investments, and 0 startups are generating revenue.
What is the typical check size for investors in Climate & Clean Energy in Connecticut?
The average check size among investors in Climate & Clean Energy in Connecticut is $187K. Check sizes vary by investor type — angels typically write smaller checks while VCs and funds invest larger amounts.
How do I connect with investors in Climate & Clean Energy in Connecticut?
Upload your pitch deck on The Founders' Group landing page for a free AI analysis. Our matching algorithm considers sector focus, stage fit, check size, location, and thesis alignment to recommend the most relevant investors for your startup.
Why focus on Climate & Clean Energy investors in Connecticut?
Connecticut has 5 investors interested in Climate & Clean Energy and 0 Climate & Clean Energy startups. Local investors often provide hands-on mentorship, warm introductions, and follow-on support that remote investors may not offer at the early stages.
Which cities in Connecticut have the most startup activity?
The highest concentration of investors and startups in Connecticut is in Greenwich, Fairfield. These cities have the strongest local ecosystems for fundraising and startup growth.

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