H
Helios
Space · Kochav Yair, Israel · Founded 2018
Helios is developing clean novel chemical processes to enable sustainable life on earth MoreLess
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.
Keywords: metal refining, environmental impact, resource efficiency, space technology, oxygen extraction, lunar infrastructure, ironmaking, sustainability, innovation, materials science.
Company overview
Helios company information
The essential company record, classifications and operating signals in one place.
- Status
- Operational
- Founded
- 2018
- Headquarters
- Kochav Yair, Israel
- Employees
- 401
- Open positions
- 2
- Dealroom signal
- 90.8
Valuation & funding
Helios funding history
Company financing events and reported valuations.
| Deal type | Date | Amount | Valuation | Investors | Source |
|---|---|---|---|---|---|
| SUPPORT PROGRAM✓Other financing | May 2025 | $0 | — | Third Derivative | ↗ |
| GRANTOther financing | Jun 2023 | $0 | — | Space Florida | ↗ |
| SUPPORT PROGRAM✓Other financing | Sep 2022 | $0 | — | CDL-Paris | — |
| SEEDEquity / VC | Jun 2022 | $0 | — | Undisclosed | — |
| GRANTOther financing | Feb 2022 | $5.7M | — | Undisclosed | — |
| ANGELEquity / VC | May 2021 | Undisclosed | — | ||
| SEED✓Equity / VC | Dec 2020 | Undisclosed | — |
Financials
Workforce over time
Available workforce history. Financial fields without reported data are omitted.
| Year | Employees |
|---|---|
| 2026 | 408 |
| 2025 | 334 |
| 2024 | 268 |
| 2023 | 229 |
| 2022 | 38 |
| 2021 | 15 |
| 2020 | 9 |
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.
Comparisons
Helios compared with similar companies
Dealroom’s weighted taxonomy model identifies the closest operating peers. Company identity and context stay open; selected comparison metrics preview what is available in the platform.
Talent graph
Helios's talent
Source: Dealroom Talent Intelligence.
Investors
12 investors on Helios's cap table
Sourced from Dealroom's funding and investor records.











Global footprint
Where Helios has talent and traffic
team presence
In the news
Latest news about Helios
Recent press, funding announcements, and product moves mentioning Helios — open to read from the original sources.
Market sentiment
What the market is saying about Helios
An AI-synthesized read of the highest-engagement posts about Helios on X over the past 7 days. We rank by likes & retweets, ignore corporate channels, and surface the themes that broke out from real people.
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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