[ 01 ]Investor Program

Where climate solutions meet ROI.

Access curated deal flow from 200+ climatetech startups. Connect with founders. Co-invest alongside leading firms.

Investor meeting with climatetech startup founders at Greentown Labs
[ 02 ]Deal Flow

Investment recommendations matched to your thesis.

Get startup introductions based on stage, industry, and check size. Our Deal Flow Digests surface actively fundraising companies. Investor newsletters keep you current on the opportunities that matter.

Startup founder pitching to investors at Greentown Labs
[ 03 ]Connections

Direct access to founders and fellow investors.

One-on-one office hours with startups. Investor-to-investor roundtables for sharing theses and co-investment opportunities. The relationships that move deals forward happen here.

Investors and founders networking at a Greentown Labs event
[ 04 ]Visibility

Showcase thought leadership across the ecosystem.

Mentor startups and build relationships before term sheets. Join panels, Sector Pitch Days, and Investor Roundtables. Position your firm at the center of the climatetech conversation.

Panel discussion at a Greentown Labs investor event
[ 05 ]Apply

Ready to access the climatetech deal flow?

Apply to Investor Program
[ 06 ]Houston

Ion District Investor Activation Program

Addressing early-stage climatetech funding gaps in Houston with a focus on underrepresented founders. Investor education, capital channeling, and ecosystem building with DEI at the core.

Inside the Greentown Houston incubator lab space
[ 07 ]Results

Connections that close rounds.

Florrent
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MassVentures

Florrent makes ultracapacitors with hemp grown by Black and Indigenous farmers. They met their largest investor through Greentown's Deal Flow Digest.

The Investor Program has led to so many investor conversations. MassVentures is our biggest investor, and that connection was through Greentown Labs.

Florrent

Florrent has a strong team; they listen well; and their technology is making the right advances. We are grateful to Greentown Labs for bringing them to our attention.

MassVentures
Elemental Recycling
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Freestone / Tailwater Capital

Elemental Recycling turns plastics and tires into high-purity graphene, graphite, and hydrogen. They raised their Series A after being discovered through the Deal Flow Digest.

It's amazing how many people found us through the Deal Flow Digest.

Elemental Recycling

The Deal Flow Digest allows for an easy filter by maturity and fundraising stage. It's a great reference to stay up to date.

Freestone / Tailwater Capital
[ 08 ]Get Started

The best climatetech deal flow starts here.

Apply to Investor Program