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ESS Tech, Inc. (GWH, GWH-WT)

Series BManufacturingWilsonville, OR

Total raised

$28.4M

Last round

Convertible Note

$900K · Jul 2025

Stage

Series B

Status

Active

Founders & team

Co-founder, CEO

Co-founder, CTO

Head of Engineering

Head of Sales

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Web traffic

Search interest

Social followers

Glassdoor rating

News mentions

Gov contracts

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Get notified the moment ESS Tech, Inc. (GWH, GWH-WT) files a new round, hires execs, or shows traction signals.

About this data

FlareSight surfaces funding data from SEC Form D filings within hours of submission. Browse our full startup funding database to find more recently funded companies.