We are the world’s largest climatetech and energy incubator.
We are big believers in the power of entrepreneurship.
We are a community ready to roll up our sleeves and get to work—together.
Greentown Labs is a 501(c)(3) nonprofit catalyzing climate solutions—at speed and at scale.
Climatetech entrepreneurs are at the core of creating technologies that transform society. Our community wants to change the way people think about, engage with, and use energy. We want to change how we build our buildings, how we get around our cities and towns, how we grow our food, how we manage our water.
Everything we do is in service of helping our 200+ startups move faster.
Greentown Labs’ mission is to accelerate climatetech innovation and commercialization by empowering entrepreneurs and enabling collaboration.
625+
startups incubated
89%
of startups supported still in business
$11B+
funding raised by startups
16.5k+
jobs created
2
incubators
200+
current members
Our Work
Our incubators in Boston and Houston provide entrepreneurs mission-critical access to labs, equipment, customers, capital, talent, community, and resources for business and leadership growth.
Our open-innovation programs—Greentown Go and the Carbon to Value Initiative—accelerate startups’ relationships with customers, fostering meaningful partnerships for commercialization.
Our partnerships, investor, mentor, and other programs engage leaders from across ecosystems to help catalyze climate and energy technologies. Because innovation doesn’t happen in isolation—it happens when ecosystems move together.

“When you get a coffee, I think the most magical question that you can ask another founder is, ‘How’s progress?’ It opens a floodgate of information back and forth of helping each other. What’s at the heart of it is you enter into a world where you’re not alone, because others have gone or are going through or will go through the same marketing struggles, technology struggles, and investing struggles.”
“Greentown is extremely valuable and necessary for people like me who come from an academic background and are commercializing technologies that started in a university laboratory. People like us benefit incredibly from the experience and the connections that the community brings together. The connection to people who have experience in a certain aspect of scaling, fundraising, working with customers, etc., makes it much easier and more exciting for us to figure out how to move in this very complicated space.”
“In terms of the value of Greentown, a lot of it came from the community. Once you move into Greentown, and once you’re around other teams working on similar problems—teams that have, say, taken a prototype to market—it changes your perspective on what you need to get started and it changes your perspective on what progress looks like. It provides this network of people who have done similar things before.”

