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Greenhouse Accelerator

Greenhouse Accelerator

Atlanta, Georgiagacth.org

Overview

Greenhouse Accelerator is a 501(c)(3) non-profit organization founded in 2012 to support cleantech entrepreneurs in Georgia. In 2023, it launched and began operating as the Georgia Cleantech Innovation Hub, a public-private-academic partnership to strengthen the state's cleantech ecosystem. It connects innovators with talent, capital, and customers. The organization partners with Cox Enterprises and gener8tor to run the Cox Cleantech Accelerator, which invests in early-stage startups.

Portfolio Companies

7

Website

gacth.org

Investments

Greenhouse Accelerator investments
CompanyDateStageLead
WattsUpMar 2026AcceleratorCo-investor
WhyGreneJul 2025AcceleratorCo-investor
PrezervJul 2025AcceleratorCo-investor
JouleaMay 2025AcceleratorCo-investor
4EarthFeb 2025AcceleratorCo-investor

Sector & Stage Mix

Industry, funding stage, and valuation band breakdowns.

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SeedSeries ASeries BGrowth

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Investment Activity

Yearly cadence, pace, and funding raised over time.

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2021
2022
2023
2024
2025
2026

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FAQ

Firmographic Details

HeadquartersAtlanta, Georgia
Year FoundedN/A

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