Key facts
- Green Steel Environmental’s last known valuation is $8.6M (Jul 2024).
- 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).
- ·The complete investor list — 11 names
- ·Watchlist + deal alerts for Green Steel Environmental
- ·The full record, as it builds
Funding rounds
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.
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
- Website
- greensteelenvironmental.com/
- Ownership
- Privately Held (backing)
Green Steel Environmental doesn't have a composite mark yet — a PA Mark is published once enough pricing inputs exist (trade prints, fund marks, round prices). The rest of the record below builds toward it.
Recorded secondary trades
No secondary trades in Green Steel Environmental shares have been recorded yet. When a print lands — third-party, direct report, or platform — it appears here with structure, source, and price.
Institutional fund marks
No SEC-registered fund has reported a fair-value mark on Green Steel Environmental in its N-PORT filings yet. We sweep new filings monthly.