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Helios

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Helios is developing clean novel chemical processes to enable sustainable life on earth

Kochav Yair, IsraelFounded 2018Space
Valuation $50–100M Last recorded · 2020
Headcount 100–500 Current team size
Total funding $10–50M Disclosed equity funding
Unlock exact values This page shows ranges. Dealroom has the exact numbers for Helios and the history behind them.

About Helios

Helios is a pioneering company specializing in advanced metal refining technologies aimed at minimizing environmental impact and maximizing resource efficiency. Initially founded as a space technology company, Helios developed groundbreaking methods to extract oxygen from lunar materials, which has since evolved into transformative solutions for the iron and steel industry on Earth. The company serves a diverse range of clients, including governmental space agencies, commercial space enterprises, and traditional iron and steel manufacturers. Operating at the intersection of materials science, engineering, and application, Helios leverages its expertise to foster sustainable practices both on Earth and in space. Its business model revolves around the commercialization of its innovative technologies, generating revenue through partnerships, licensing agreements, and direct sales of its proprietary solutions. By participating in programs like DARPA's LunA 10, Helios aims to contribute to the development of a unified lunar infrastructure, further expanding its market reach.

Source: Dealroom company data

At a glance

Status
Operational
Founded
2018
Headquarters
Kochav Yair, Israel
Employees
401
Open positions
2
Dealroom signal
90.8/100
Sub-industry
Energy Storage
Sector
Space, Steel, Sustainable Development Goals, Space Tech, Advanced Materials, Space Exploration, Climate Tech, Space Resource Exploration, Space Upstream
Technology
Artificial Intelligence, Deep Tech, Machine Learning
Business model
Manufacturing
Client focus
b2b

Funding history

7 recorded events

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
SUPPORT PROGRAM✓Other financing May 2025 $0 — Third Derivative ↗
GRANTOther financing Jun 2023 $0 — Space Florida ↗
Showing the latest 2 of 7 recorded eventsBook a demo for the full funding history →

Growth signals

Helios website traffic

Latest recorded traffic for Helios is 3.2K monthly website visits, up 68.4% over the last three months. Helios's team grew 20.1% over the past year.

Latest monthly visits3.2K 3-month web change+68.4% 1-year team growth+20.1%
Summary metrics are public; monthly history is available with a demoCompare with peers →

Similar companies

Closest operating peers by Dealroom taxonomy

Company identity and context are open; selected comparison metrics preview what is available on the platform.

Showing 8 of the closest matchesCompare every metric →

Investments and acquisitions

Capital deployed

Recent portfolio relationships for companies that also act as investors or acquirers.

Investors

12 investors on the cap table

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

Seed1 investor entered at this stage

  • Space Florida

Other known investors11 additional known investors

  • CDL-Paris
  • Third Derivative
  • At One Ventures
  • Climate First
  • Daniel Recanati
  • KOMPAS VC
  • MetaPlanet
  • Rhodium
  • Teramips Technologies
  • UpLink - World Economic Forum
  • Wyndham Wealth
Team profiled 10 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 4 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
5 countries with
team presence
🇮🇱 Israel44.4%
🇺🇸 United States5.6%
🇦🇷 Argentina2.8%
🇮🇹 Italy2.8%
🇮🇳 India2.8%
5 countries shown

Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about Helios 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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