# Brimstone: Chemical, Berkeley, United States

> Brimstone: Brimstone is a hardware cleantech startup that aims to reduce CO2 emissions through innovative technologies. Based in Berkeley, United States.

Source: https://millionrounds.com/startup/brimstone (Millionrounds; every figure on the page links to its filing or article)

United States · [Chemical startup](https://millionrounds.com/companies)

# Brimstone

Brimstone is a hardware cleantech startup that aims to reduce CO2 emissions through innovative technologies.

Email

Funding reported Last round: Series A

Chemical Berkeley, United States

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Company summary

- **Founded:** 2019 7 years old
- **Team:** 11 11 to 50 people
- **Funding reported:** $55M in dollars
- **Last round:** Series A Mar 2022

How sure we are

- ✓ **Listed** We know it exists and what it does
- 2 **Funding reported** A company dataset reports a raise
- 3 **Observed** A filing or a dated announcement confirms a round

No round for Brimstone has been confirmed by a filing or an announcement yet, so nothing here counts toward an investor's record. [How we decide](https://millionrounds.com/methodology)

## What company datasets say Brimstone raised

Funding, as reported

Reported in all **$55M** in dollars

Rounds **2**

Last round **Series A**

Last round date **Mar 2022**

Investors listed **12**

## On 2 portfolio pages

Investors who name them

- [Collaborative Fund](https://millionrounds.com/fund/collaborative-fund)
- [Impact Science Ventures](https://millionrounds.com/fund/impact-science-ventures)

Each firm lists Brimstone on its own website. That is the firm's claim, a weaker thing than a round we watched, but a named source.

## Chemical in United States

Startups like it

- [**Trinseo** Berwyn · founded 2010](https://millionrounds.com/startup/trinseo)
- [**CSW Industrials** Dallas · founded 2015](https://millionrounds.com/startup/csw-industrials)
- [**Chemours** Wilmington](https://millionrounds.com/startup/chemours)
- [**Element Solutions** Fort Lauderdale · founded 2019](https://millionrounds.com/startup/element-solutions)
- [**Koura** Waltham · founded 2011](https://millionrounds.com/startup/koura)
- [**Epsilyte** The Woodlands · founded 2015](https://millionrounds.com/startup/epsilyte)
- [**Lydian** Salem · founded 2021](https://millionrounds.com/startup/lydian)
- [**Ebb Carbon** South San Francisco · founded 2021](https://millionrounds.com/startup/ebb-carbon)

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