Green Steel Environmental

Boulder, CO · Founded 2023 · Privately Held (backing)

Developer of a wastewater treatment platform intended for developing safer, chemical-free facilities for wastewater and biogas treatment. Green Steel Environmental is based in Boulder, CO and was founded in 2023. Its last reported valuation was $8.6 million in Jul 2024. It has raised $3.4 million.

Last reported valuation
$8.6M
Oct 2026
Priced at
—
Total raised
$3.4M
Last round
—

Green Steel Environmental key facts

as of Oct 2026
  • Developer of a wastewater treatment platform intended for developing safer, chemical-free facilities for wastewater and biogas treatment.
  • Green Steel Environmental is valued at approximately $8.6M as of Oct 2026 (last reported valuation).
  • It has raised $3.4M; the latest was Early Stage VC ($2.3M) in Feb 2026.
  • Notable investors include Symbiotic Ventures, Rockies Venture Club, Boulder, Central Texas Angel Network, Colorado Venture Capital Authority — 11 tracked in total.
  • Status: Privately Held (backing).
Last reported valuation
LOW confidence
$8.6M

Green Steel Environmental's last reported valuation, Jul 2024. Nothing priced has surfaced since.

set by last reported valuationas of Oct 2026question about this number?
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Green Steel Environmental funding rounds

No rounds on record

No funding rounds for Green Steel Environmental are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.

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Green Steel Environmental valuation

Green Steel Environmental's last reported valuation was $8.6 million in Jul 2024. No priced round, secondary trade or fund mark has surfaced since.

Green Steel Environmental investors

11 investors are on record for Green Steel Environmental, including Symbiotic Ventures, Rockies Venture Club, Boulder and Central Texas Angel Network.

About Green Steel Environmental

Developer of a wastewater treatment platform intended for developing safer, chemical-free facilities for wastewater and biogas treatment. The company's platform uses state-of-the-art treatment processes that include adding hazardous chemicals to sequester harmful nutrients like phosphate and sulfide, to offer clean tech upcycled materials, enabling industries to get chemical-free solutions without relying on toxic compounds that are expensive, dangerous to handle, and environmentally damaging.

Sector
Business Products and Services (B2B)
HQ
Boulder, CO, United States
Founded
2023
Employees
5
Ownership
Privately Held (backing)

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