Book a demo

Company intelligence

Cleantech Open Northeast / ACT

We find, fund, and foster the best cleantech startups. A rigorous accelerator that’s like a mini MBA.

Non-profit Organizations
Boston, US
27 employees
Founded 2005
4 public signals

About Cleantech Open Northeast / ACT

Cleantech Open is the oldest and largest cleantech startup accelerator program, with the mission to find, fund, and foster entrepreneurs with ideas to solve our greatest environmental and energy challenges. Through our annual business competition and accelerator program, we connect cleantech startups with the people and resources that will accelerate their success, and provide a national platform for public visibility. Cleantech Open Northeast was founded in 2005 as the Ignite Clean Energy program by the Energy Special Interest Group (ESIG) of the MIT Enterprise Forum. In 2010, Ignite expanded its reach and impact by joining forces with the national organization Cleantech Open, creating the largest cleantech innovation footprint in the country. Cleantech Open Northeast covers Connecticut, Delaware, DC, Maine, Maryland, Massachusetts, New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island, Vermont, Virginia, and Eastern Canada.

Verified activity

Signals from Cleantech Open Northeast / ACT

4 published signals

Find the companies already in motion.

Customize signals around your market, buyers, competitors, and investment thesis.

© 2026 SeedOpsCompany intelligence.

SeedOps.