Cleantech Open Overview

  • Investor Type
  • Accelerator/​Incubator

  • Status
  • Active

  • Professionals
  • 3

Professionals

  • Investments
  • 470

  • Portfolio
  • 347

  • Exits
  • 120

Exits

Cleantech Open General Information

Company Description

Founded in 2005, Cleantech Open is an accelerator based in Redwood City, California. The firm provides entrepreneurs and technologists the resources needed to launch successful clean-tech companies.

Business Details

Year Founded
2005
Investor Status
Actively Seeking New Investments
Primary Investor Type
Accelerator/Incubator
Corporate Office
  • 1000 North Alameda Street
  • Suite 240
  • Los Angeles, CA 90012
  • United States
+1 (888)

Cleantech Open Investments (470)

Company Name Deal Date Deal Type Deal Size Industry Company Stage Lead Partner
Green Spear 01-Sep-2024 Accelerator/Incubator Other Materials Product Development
Carbon Utility 10-Jan-2024 Alternative Energy Equipment Startup
Rivalia Chemical 08-Jan-2024 Environmental Services (B2B) Startup
Hatchless 01-Jan-2024 Animal Husbandry Startup
Helios (New Orleans) 01-Jan-2024 Alternative Energy Equipment Startup
Terrament 01-Jan-2024 Energy Storage Generating Revenue
FuelGems 09-Dec-2023 Specialty Chemicals Generating Revenue
Active Surfaces 30-Oct-2023 Alternative Energy Equipment Startup
Benchmark Labs 30-Oct-2023 Accelerator/Incubator Media and Information Services (B2B) Generating Revenue
Build Smartr 30-Oct-2023 Accelerator/Incubator Construction and Engineering Generating Revenue
You’re viewing 10 of 470 investments. Get the full list »

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Cleantech Open Exits (120)

Company Name Exit Date Exit Type Exit Size
Access Lights 17-Mar-2025 Out of Business
Apeiron Technology 17-Mar-2025
Amellea 14-Mar-2025
STAC Technology 13-Mar-2025
Autowatts 12-Mar-2025
BlueDot Photonics 19-Feb-2025
SomEV 19-Feb-2025
AnCatt 10-Feb-2025
Extergy 06-Jan-2025 Out of Business
Algoma Algal Biotechnology 26-Dec-2024 Out of Business
You’re viewing 10 of 120 exits. Get the full list »

Cleantech Open Investments by Industry, Year, and Region

Investments by Industry

Investments by Year

Investments by Region

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Cleantech Open FAQs

  • What is Cleantech Open?

    Founded in 2005, Cleantech Open is an accelerator based in Redwood City, California.

  • When was Cleantech Open founded?

    Cleantech Open was founded in 2005.

  • Where is Cleantech Open headquartered?

    Cleantech Open is headquartered in Los Angeles, CA.

  • How many investments has Cleantech Open made?

    Cleantech Open has made 470 investments.

  • What has Cleantech Open invested in?

    Cleantech Open has made numerous investments in companies like Green Spear, Carbon Utility, and Rivalia Chemical within the Materials, Alternative Energy Equipment, and Environmental Services (B2B) industries.

  • What has Cleantech Open invested in recently?

    Cleantech Open's latest investment was on 01-Sep-2024 in Green Spear, a company within the Materials industry.

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