Insights

Accelerator Leader Cleantech Open runs the world’s largest cleantech accelerator and has a demonstrated ability to scale programs, presenting an opportunity to offer expanded funding matchmaking, corporate sponsorships, and partner-driven pilot programs to accelerate portfolio companies.

Global Network With a network of over 1,000 volunteers and sponsors and active engagement across public and private sectors, there is potential to introduce enterprise partnerships, sponsored challenges, and program sponsorships to expand reach and impact.

Funding Readiness Reported revenue in the mid to high seven-figure range signals financial vitality and capacity to engage in large-scale collaborations, grants, and investor-led syndication opportunities for cleantech ventures.

Strategic Alliances Recent partnerships with investor groups, regional accelerators, and sector-specific ecosystems indicate openness to co-hosted forums, deal flow events, and joint accelerator camps that could be monetized through sponsorships and service fees.

Industry Positioning Recognition as a top incubator/accelerator and ongoing media visibility create a compelling branding platform for enterprise tech vendors, training providers, and service firms seeking access to deal flow and early-stage cleantech customers.

Similar companies to Cleantech Open

Cleantech Open Tech Stack

Cleantech Open uses 8 technology products and services including Amazon Web Services, jsDelivr, Open Graph, and more. Explore Cleantech Open's tech stack below.

  • Cloud Hosting
  • jsDelivr
    Content Delivery Network
  • Open Graph
    Content Management System
  • Content Management System
  • Vue.js
    Javascript Frameworks
  • Google Tag Manager
    Tag Management
  • Fourthwall
    Website Builders

Media & News

Cleantech Open's Email Address Formats

Cleantech Open uses at least 2 email formats:
Cleantech Open Email FormatsExamplePercentage
FLast@cleantechopen.orgJDoe@cleantechopen.org
73%
Last@cleantechopen.orgDoe@cleantechopen.org
27%

Frequently Asked Questions

What is Cleantech Open's phone number?

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You can contact Cleantech Open's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Cleantech Open's official website and social media links?

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Cleantech Open's official website is cleantechopen.org and has social profiles on LinkedIn.

How much revenue does Cleantech Open generate?

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As of September 2026, Cleantech Open's annual revenue is estimated to be $50M - $100M.

What is Cleantech Open's NAICS code?

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Cleantech Open's NAICS code is 813 - Religious, Grantmaking, Civic, Professional, and Similar Organizations.

How many employees does Cleantech Open have currently?

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As of September 2026, Cleantech Open has approximately 175 employees across 4 continents, including North America, Europe and Asia. Key team members include Cofounder And Chief Operating Officer: M. H., Director: D. C. and Executive Director: J. S. Explore Cleantech Open's employee directory with LeadIQ.

What industry does Cleantech Open belong to?

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Cleantech Open operates in the Non-profit Organizations industry.

What technology does Cleantech Open use?

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Cleantech Open's tech stack includes Amazon Web Services, jsDelivr, Open Graph, WordPress, Google Workspace, Vue.js, Google Tag Manager and Fourthwall.

What is Cleantech Open's email format?

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Cleantech Open's email format typically follows the pattern of FLast@cleantechopen.org. Find more Cleantech Open email formats with LeadIQ.

When was Cleantech Open founded?

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Cleantech Open was founded in 2006.
Cleantech Open logo

Cleantech Open

Non-profit OrganizationsCalifornia, United States51-200 Employees

Cleantech Open operates the world's largest cleantech accelerator, supporting ventures that tackle urgent energy, environmental and economic challenges. Its mission is to identify, support and foster entrepreneurs with big ideas, helping them develop into global cleantech companies. The organization provides the infrastructure, expertise and strategic relationships that accelerate early-stage ideas toward commercialization. 

Based in Los Angeles, California, it is a mid-sized nonprofit supported by a global network of volunteers and sponsors and works to unite public and private sector actors. In recent years, the group has been active in the Cleantech Open Global Forum, including events around the 2025 Global Forum and related partnerships.

Section iconCompany Overview

Phone number
NAICS Code
813 - Religious, Grantmaking, Civic, Professional, and Similar Organizations
Founded
2006
Employees
51-200

Section iconFunding & Financials

  • $50M - $100M

    Cleantech Open's revenue is estimated to be in the range of $50M - $100M

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