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Membrion

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Manufactures ceramic desalination membranes that recover up to 98% of water in harsh conditions, offering flexible, low-fouling, and economical solutions for water recovery

Seattle, United StatesFounded 2016Energy
Valuation $0–100M Latest valuation · 2025
Revenue $1–10M Latest reported FY
Headcount <100 Current team size
Total funding $10–50M Disclosed equity funding
Unlock exact values This page shows ranges. Dealroom has the exact numbers for Membrion and the history behind them.

About Membrion

Membrion specializes in advanced wastewater treatment solutions, focusing on heavy metal removal through innovative electro ceramic desalination processes. Serving industrial clients across various sectors, Membrion operates in the water treatment and reclamation market. The company's business model revolves around providing cutting-edge technology that can be integrated into existing infrastructure, thereby improving efficiency and reducing costs without the need for extensive retrofitting. Membrion generates revenue through the sale and implementation of its proprietary treatment systems, as well as ongoing maintenance and support services. The company aims to revolutionize traditional wastewater treatment methods, offering a more effective and economical alternative. Keywords: heavy metal removal, wastewater treatment, electro ceramic desalination, industrial clients, cost-effective, efficiency, water reclamation, innovative technology, infrastructure integration, maintenance services.

Source: Dealroom company data

At a glance

Status
Operational
Founded
2016
Headquarters
Seattle, United States
Employees
33
Open positions
None listed
Dealroom signal
85.4/100
Sub-industry
Water
Sector
Energy, Water Treatment, Membranes, Spinout, Sustainable Development Goals, Wastewater Treatment, Industrial Technology, Climate Tech, Blue Economy, Water Tech
Technology
Hardware, Deep Tech
Business model
Manufacturing
Client focus
b2b

Latest news

Press, funding announcements and product moves mentioning Membrion.

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Funding history

10 recorded events

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
SERIES BEquity / VC Oct 2025 $20M $80M Giantleap · W.L. Gore & Associates · Indico Capital Partners · Safar Partners
SEEDEquity / VC Mar 2024 100+ Accelerator
Showing the latest 2 of 10 recorded eventsBook a demo for the full funding history →

Financials

Revenue over time

Revenue, earnings and other financial measures where available. Years marked “E” are estimates.

YearRevenueGrowth
2026
2025
2024
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Growth signals

Membrion website traffic

Latest recorded traffic for Membrion is 7K monthly website visits, up 483.3% over the last three months. Membrion's team grew 3.1% over the past year.

Latest monthly visits7K 3-month web change+483.3% 1-year team growth+3.1%
Summary metrics are public; monthly history is available with a demoCompare with peers →

Similar companies

Closest operating peers by Dealroom taxonomy

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Showing 8 of the closest matchesCompare every metric →

Investors

25 investors on the cap table

From Dealroom's funding and investor records, grouped by the round each investor first entered.

Seed6 investors entered at this stage

  • US National Science Foundation
  • E8 Angels
  • America's Seed Fund
  • Sand Hill Angels
  • Sierra Angels
  • 100+ Accelerator

Series A16 investors entered at this stage

  • Bellingham Angel Investors
  • WRF Capital
  • SeaChange Fund
  • Giantleap
  • Safar Partners
  • PureTerra Ventures
  • Freeflow Ventures
  • Samsung Ventures
  • HBS Alumni Angels of Greater New York
  • Indico Capital Partners
  • Lam Capital
  • New York Angels
  • W.L. Gore & Associates
  • Ecolab
  • Pangaea Ventures
  • Lam Research

Other known investors3 additional known investors

Team profiled 10 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 2 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Global footprint

Workforce and web traffic by country
Workforce by country
4 countries with
team presence
🇺🇸 United States89.2%
🇨🇦 Canada5.4%
🇨🇳 China2.7%
🇮🇪 Ireland2.7%
4 countries shown

Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about Membrion on X, ranked by likes and reposts, corporate channels excluded.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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