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ZeroAvia

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Hydrogen-electric powertrains for zero-emission commercial aircraft

Everett, United StatesFounded 2017Aviation
Valuation $500M–1B Last recorded · 2024
Headcount 100–500 Current team size
Total funding $100–500M Disclosed equity funding
Unlock exact values This page shows ranges. Dealroom has the exact numbers for ZeroAvia and the history behind them.

About ZeroAvia

ZeroAvia is a pioneering startup that is revolutionizing the aviation industry by developing hydrogen-electric engines for aircraft. Their mission is to create a truly clean aviation sector, as they believe that aviation is a significant contributor to greenhouse gas emissions. The company's innovative technology aims to reduce the aviation industry's climate impact, which is expected to account for 25-50% of total human climate impact by 2050.

ZeroAvia's hydrogen-electric engines are a game-changer in the aviation industry. They offer up to 60 times greater specific energy and lower cycling costs than lithium-ion batteries, making them a viable, scalable solution for zero-emission aviation. These engines are not only environmentally friendly but also cost-effective, offering lower fuel and maintenance costs compared to traditional turbines.

The company's business model revolves around retrofitting existing aircraft with their hydrogen-electric engines. They plan to retrofit up to 300NM <19 seat missions from 2025 and up to 1000NM 50-90 seat from 2027. This approach allows them to cover 95%+ of missions flown today, including reserves.

ZeroAvia's primary clients are aircraft manufacturers and airlines looking to reduce their carbon footprint and comply with regulators worldwide pushing for green aviation and net-zero carbon emissions by 2050. The company also produces green hydrogen through electrolysis with clean power, providing a sustainable aviation fuel for the future.

In summary, ZeroAvia is a forward-thinking startup that is leading the way in creating a cleaner, more sustainable aviation industry. Their hydrogen-electric engines are not only environmentally friendly but also cost-effective, making them a viable solution for the future of aviation.

Source: Dealroom company data

At a glance

Status
Operational
Founded
2017
Headquarters
Everett, United States
Employees
196
Open positions
2
Dealroom signal
64.3/100
Sub-industry
Vehicle Production
Sector
Aviation, Hydrogen, Sustainable Development Goals, Airplanes, Aviation and Aerospace, uk is8 advanced manufacturing, uk is8 clean energy industries, Climate Tech, Electric Mobility, EV Manufacturing, Hydrogen Vehicles, Hard Tech, Sustainable Aviation
Business model
Manufacturing
Investment activity
1 company, latest Oct 2022
Capital deployed
—
Preferred round
ACQUISITION

Funding history

10 recorded events

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
LATE VCOther financing Dec 2025 $0 — Horizons Ventures · Scottish National Investment Bank · National Wealth Fund · Summa Equity ↗
GRANTOther financing Nov 2025 $24M — Undisclosed ↗
Showing the latest 2 of 10 recorded eventsBook a demo for the full funding history →

Growth signals

ZeroAvia website traffic

Latest recorded traffic for ZeroAvia is 20K monthly website visits, up 0% over the last three months. ZeroAvia's team declined 34.4% over the past year.

Latest monthly visits20K 3-month web change0% 1-year team growth-34.4%
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

32 investors on the cap table

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

Seed4 investors entered at this stage

  • Aerospace Technology Institute
  • Washington state Department of Commerce
  • California Energy Commission
  • Federal Aviation Administration

Series A20 investors entered at this stage

  • The Ecosystem Integrity Fund
  • Climate Pledge Fund
  • Horizons Ventures
  • Summa Equity
  • Shell Ventures
  • Breakthrough Energy Ventures
  • Ecosystem Integrity Fund
  • British Airways
  • Systemiq Capital
  • SGH Capital
  • Agartha Fund
  • AP Ventures
  • Alumni Ventures
  • United Airlines Venture
  • Alaska Air
  • United Airlines
  • AENU
  • IAGi Ventures
  • NeoMedia Technologies
  • Barclays Climate Ventures

Series B and later6 investors entered at this stage

  • Airbus
  • NEOM Investment Fund (NIF)
  • ITOCHU
  • American Airlines
  • Scottish National Investment Bank
  • National Wealth Fund

Other known investors2 additional known investors

  • BloombergNEF
  • Starburst Accelerator
Team profiled 30 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
10 countries with
team presence
🇬🇧 United Kingdom71.1%
🇺🇸 United States23.3%
🇳🇱 Netherlands1.1%
🇫🇷 France1.1%
🇪🇪 Estonia0.6%
Top 5 of 10 shown

Market sentiment

Posts on X, past 7 days

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