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The Cleantech Open runs the world's largest cleantech accelerator.
Our mission is to find, fund and foster entrepreneurs with big ideas that address today's most urgent energy, environmental and economic challenges. We provide the infrastructure, expertise and strategic relationships that turn clever ideas into successful global cleantech companies. Fueled by a global network of more than 1,000 volunteers and sponsors, the Cleantech Open unites the public and private sectors in a shared vision for making the cleantech sectors a thriving economic engine around the world. For more information, visit www.cleantechopen.org, or follow us on @cleantechopen and Facebook.
Our mission is to find, fund and foster entrepreneurs with big ideas that address today's most urgent energy, environmental and economic challenges. We provide the infrastructure, expertise and strategic relationships that turn clever ideas into successful global cleantech companies. Fueled by a global network of more than 1,000 volunteers and sponsors, the Cleantech Open unites the public and private sectors in a shared vision for making the cleantech sectors a thriving economic engine around the world. For more information, visit www.cleantechopen.org, or follow us on @cleantechopen and Facebook.
Overview
Location
United States, California, Los Angeles
Employees
11-50
Founded date
2006
Investment Type
Accelerator
Mentions in press and media 18
| Date | Title | Description |
| Sign up to see | Sign up to see | Sign up to see |
| Jun 11, 2025 | From Osaka to America: The Unconventional Journey of This Japanese Entrepreneur When business leader Hideaki Nishioka left his stable corporate job in Japan to pursue entrepreneurship in the United States, his decision was met with confusion and resistance from his family and colleagues. | The decision to strike out and try something new is rarely an easy one, especially when it also involves defying convention and the risk of disappointing those closest to you. The start of any journey is often accompanied by a good deal of ... |
| Oct 19, 2022 | Climate-Tech Innovator INOVUES to Present at Upcoming VERGE 22 Conference & Cleantech Open’s Global Forum | INOVUES to present at upcoming VERGE 22 climate-tech conference INOVUES logo As a winner of this year’s US Green Building Council Los Angeles (USGBC-LA) Net Zero Accelerator, INOVUES will exhibit in booth #301 of the VERGE 22 Startup Pavili... |
| Apr 5, 2021 | Saint-Gobain announces sponsorship of Cleantech Open Northeast | Saint-Gobain, one of the world’s largest building materials companies and manufacturer of innovative material solutions, today announced its sponsorship of Cleantech Open Northeast (CTONE), the world’s oldest and largest cleantech accelerat... |
| Apr 10, 2019 | Roundup: MiSpringboard, Free QL Demo Day Help, DetroitEd411 & More | Share Share on Facebook Share on Twitter LinkedIn Email Reprints Let’s catch up on the latest startup and innovation news from around Michigan: —Birmingham-based Pairaphrase, a startup selling translation software that it says provides user... |
| Jan 14, 2019 | TIA announces winners of 2018 Global Cleantech Innovation Programme | The Technology Innovation Agency (TIA) last week Friday (11 January) announced the winners of the 2018 Global Cleantech Innovation Programme for small and medium-sized enterprises in South Africa (GCIP-SA) at a gala event held at the Cape T... |
| Jan 14, 2019 | TIA announces winners of 2018 Global Cleantech Innovation Programme | The Technology Innovation Agency (TIA) last week Friday (11 January) announced the winners of the 2018 Global Cleantech Innovation Programme for small and medium-sized enterprises in South Africa (GCIP-SA) at a gala event held at the Cape T... |
| Jun 18, 2018 | 4 RI Startups to Participate in Cleantech Open Northeast Accelerator | Providence-based Slater Technology Fund has announced that four Rhode Island-based startups will participate in Cleantech Open Northeast, a regional chapter of biggest and oldest cleantech accelerator programs in the world. Aquabytes, Helio... |
| Jun 11, 2018 | Cleantech Open Northeast welcomes 30 Cleantech startups to participate in the 2018 Cleantech business accelerator | Cleantech Open Northeast, the Northeast region of the world’s oldest and largest cleantech accelerator program, today announced its 2018 class of 30 startups developing clean technology solutions related to energy, agriculture, water, waste... |
| Mar 15, 2018 | Applications for GCIP-SA competition and business accelerator now open | Applications are now open for the 2018 Global Cleantech Innovation Programme for startups in South Africa (GCIP-SA). The programme is part of a global initiative that aims to address environmental and economic challenges as well as issues ... |
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FAQ about The Cleantech Open
When was The Cleantech Open founded?
The Cleantech Open was founded in 2006.
What has the press written about The Cleantech Open?
Parsers VC has collected 18 articles mentioning The Cleantech Open, among them “From Osaka to America: The Unconventional Journey of This Japanese Entrepreneur When business leader Hideaki Nishioka left his stable corporate job in Japan ...” (Jun 11, 2025) and “Climate-Tech Innovator INOVUES to Present at Upcoming VERGE 22 Conference & Cleantech Open’s Global Forum” (Oct 19, 2022).
Is The Cleantech Open still active?
Yes, The Cleantech Open is active; its latest activity on Parsers VC dates from Jun 11, 2025.