Seed startup

Who invested in Greywater

One round we have observed, with the 2 investors 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.

Manufacturing

Funding summaryUpdated 26 Oct 2026

$2.0Mraised across 1 round since 2011, from 1 source

Latest round
Seed, $2.0MMay 2011
Investors
2
See who backed them

The rounds

  1. May 2011
    Seed$2.0M

    From a historical funding record

Everyone who backed them

Missing a round, or an investor who was in one? Tell us.

Also claim to have backed them

This firm lists Greywater as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.

EnergyLabAcceleratorPer its own site

Quick answers about Greywater

Who invested in Greywater?

Greywater's investors include U.S. Venture Partners and Nexus Venture Partners.

How much has Greywater raised?

Greywater has raised $2.0M across 1 round since 2011.

When did Greywater last raise?

Greywater's most recent round was a Seed of $2.0M in May 2011.

What was Greywater's biggest round?

Its most recent round, $2.0M in May 2011, is also its largest on record.

Who backed Greywater first?

Greywater's first round on record, in May 2011, was backed by U.S. Venture Partners and Nexus Venture Partners.

What stage is Greywater at?

Greywater's latest named round is a Seed, in May 2011.

Companies like Greywater

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

Find investors like these

Search every investor by what they have actually funded, then narrow to your stage and market. Free.