# Climate Vault Solutions funding: rounds and investors

> Climate Vault Solutions has raised $2.5M across 1 round since 2024. Investors include Valor Siren Ventures. Every round with its source.

Source: https://millionrounds.com/company/climate-vault-solutions (Millionrounds; every figure on the page links to its filing or article)

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

# Who invested in *Climate Vault Solutions*

One round we have observed, with the one investor named in it. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Climate Tech

Funding summary Updated 26 Oct 2026

**$2.5M** raised across 1 round since 2024, from 1 source

- **Latest round:** Venture, $2.5M May 2024
- **Investors:** 1

See who backed them

## The rounds

- **May 2024** Venture **$2.5M** [Valor Siren Ventures](https://millionrounds.com/fund/valor-siren-ventures) Source recorded SEC filing: $2.5M sold, first sale Apr 2024

## Founders and team

From Climate Vault Solutions's own website: 1 founder, 3 on the team.

**Michael Greenstone** Co-founder

- **Chris Neufeld** CEO
- **Brynn Esterly** Head of Climate Solutions Portfolio
- **Donald Addu** Head of Climate Partnerships

## Everyone who backed them

[Valor Siren Ventures](https://millionrounds.com/fund/valor-siren-ventures) Corporate VC **1** round

Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=climate-vault-solutions).

## Quick answers about Climate Vault Solutions

### Who invested in Climate Vault Solutions?

Climate Vault Solutions's investors include Valor Siren Ventures.

### How much has Climate Vault Solutions raised?

Climate Vault Solutions has raised $2.5M across 1 round since 2024.

### When did Climate Vault Solutions last raise?

Climate Vault Solutions's most recent round was a Venture of $2.5M in May 2024.

### What was Climate Vault Solutions's biggest round?

Its most recent round, $2.5M in May 2024, is also its largest on record.

### Who backed Climate Vault Solutions first?

Climate Vault Solutions's first round on record, in May 2024, was backed by Valor Siren Ventures.

### What stage is Climate Vault Solutions at?

Climate Vault Solutions's latest named round is a Venture, in May 2024.

### Where is Climate Vault Solutions based?

Climate Vault Solutions is based in the United States.

## Companies like Climate Vault Solutions

In the same sector, and raised in the last eighteen months.

[**Amogy** $125M · Oct 2026](https://millionrounds.com/company/amogy)[**LanzaJet** $67M · Oct 2026](https://millionrounds.com/company/lanzajet)[**ZwitterCo** $58M · Oct 2026](https://millionrounds.com/company/zwitterco)[**Pennsylvania American Water** $43M · Oct 2026](https://millionrounds.com/company/pennsylvania-american-water)[**Kodama** $7.0M · Oct 2026](https://millionrounds.com/company/kodama)[**Stand** $105M · Oct 2026](https://millionrounds.com/company/stand)

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