ZeroAvia

Commercial Aviation · Aerospace Manufacturing
$259.8Mtotal raised · 7 rounds on record
10open roles
$130Mlatest round · Venture round · Sep 2024 · 2 yr ago
4backers · AENU, AP Ventures

Overview

ZeroAvia is an aerospace company that develops hydrogen-electric powertrains, combining fuel cells and electric motors, for regional and commuter aircraft. It flight-tests converted aircraft and works with airlines, aircraft makers and airports on hydrogen propulsion and refuelling. Founded in 2017, the company is headquartered in Hollister, California, United States, with its main UK operations at Cotswold Airport in Kemble, England.

How ZeroAvia hires

Truth index
A 85/100
Ghost roles
0%
Stale roles
60%
Reposted roles
0%

ZeroAvia scores A on the Alion truth index (A is best, E worst), measured over 5 open roles re-checked against its own hiring board: 0% look like ghost listings, 60% have gone stale and 0% are the same role posted again. It measures how much of what this employer publishes turns into a real, finite search - not the employer as a workplace. How the index is computed

Funding and backers

Total raised
$259.8M
7 rounds on record
Latest round
$130M
Venture round · Sep 2024 · 2 yr ago
Team
37
US Form 5500 (plan participants) · Dec 2025 · -57% in a year
Hiring now
11
+4 posted in 30 days
Grants
$4.1M
3 grants · CORDIS
Backers
4
AENU, AP Ventures
The money's age
Long since its last round
25 months since the last round · and hiring
Momentum
25/100
hiring for its size, a new city
Last sign of life
1 mo ago
a posting or a news item
The story so fareach stage dated by its source: the company's releases, the press, registers, filings
2025 Team shrank to 37 was 86 · US Form 5500 (plan participants) Dec 1, 2025 Won a grant $4M · CORDIS Jan 14, 2025 Won a grant $75k · CORDIS Sep 12, 2024 Raised a round Venture round $130M May 4, 2023 Won a grant $64k · CORDIS Sep 23, 2022 Raised a round Venture round $80.2M · SEC Form D Oct 26, 2021 Raised a round Convertible Note $26.1M · SEC Form D Nov 20, 2020 Raised a round Venture round $23.5M · SEC Form D 2017 Founded
Tractionpublic signals, read monthly
Web presence
top 0.3%
of 133.2M domains by links, Common Crawl
Hacker News stories
6
best: 42 points
Funding rounds
RoundDateAmountInvestorsSource
Grant Dec 2025 $4M — CORDIS
Grant Jan 2025 $75k — CORDIS
Venture round Sep 2024 $130M — geekwire.com
Grant May 2023 $64k — CORDIS
Venture round Sep 2022 $80.2M — SEC Form D
Convertible Note Oct 2021 $26.1M — SEC Form D
Venture round Nov 2020 $23.5M — SEC Form D
Registers and programsofficial lists and records that name the company
Legal entity ZeroAvia, Inc. SEC Form D
Founders and leadersfrom filings, registers and the company's site
Sergey KiselevExecutive Officer, DirectorSEC Form D
Valery MiftakhovExecutive Officer, DirectorSEC Form D
Ekaterina AkulinichevaExecutive OfficerSEC Form D
Backed byfrom the funds' portfolios and accelerator catalogs
Investors in similar startupsfunds that back the companies most like this one
Similar startupsby what they do, their industry and backers
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H2FLY develops hydrogen-electric propulsion technologies for aviation. Flight-proven technology for zero-emission aviation — based in…
We store and transport hydrogen in a liquid organic carrier. The missing link to a green hydrogen world. Superior in safety and flexibility.
Beyond AeroVenture round $20M · 2 yr ago · Founded 2024 · 1-10 employees
Introducing One, our first step to a new flying era. World's first electric business aircraft using hydrogen propulsion to reach more than…
Kaizen Clean EnergyVenture round $910k · 2 yr ago · Founded 2023 · 11-50 employees
At Kaizen Clean Energy, our mobile and scalable hydrogen generators make hydrogen affordable, accessible, and reliable.
Cosmic AerospaceFounded 2021
Cosmic Aerospace is building practical electric regional aircraft with lower operating cost, zero direct emissions, and a path to scalable…

Jobs

≈ $61k – $126k per year (Estimated) · Equity · In office · Kemble
PyTorch
Apply
≈ $78k – $162k per year (Estimated) · Equity · In office · Full-Time · Bachelor's Degree · Kemble
DO-178C
DO-254
DO-160
MedTech
Verification & Validation
Apply
≈ $79k – $161k per year (Estimated) · Equity · In office · Full-Time · Bachelor's Degree · Kemble
DO-178C
DO-254
DO-160
MedTech
Verification & Validation
Apply
≈ $59k – $134k per year (Estimated) · Equity · In office · Full-Time · Bachelor's Degree · Kemble
FMEA
Apply
≈ $64k – $101k per year (Estimated) · Equity · In office · Full-Time · Bachelor's Degree · Kemble
Siemens NX
GD&T
Apply
≈ $71k – $144k per year (Estimated) · Equity · In office · Full-Time · Bachelor's Degree · Kemble
MATLAB
Simulink
Simscape
MedTech
Verification & Validation
Apply
≈ $68k – $137k per year (Estimated) · Equity · In office · Full-Time · Bachelor's Degree · Kemble
Apply
≈ $60k – $94k per year (Estimated) · Equity · In office · Full-Time · Bachelor's Degree · Kemble
AS9100
Apply
≈ $54k – $114k per year (Estimated) · Equity · In office · Full-Time · Bachelor's Degree · Kemble
Python
C
MATLAB
Embedded C
MATLAB
Simulink
SpaceTech
DO-178C
Apply
≈ $40k – $85k per year (Estimated) · Equity · In office · Full-Time · Kemble
AS9100
GD&T
Apply

Visa sponsorship

0
H-1B filings in 12 months
0
Open roles in United States
In the register as ZeroAvia, Inc, Everett, WA
Other sponsors in the same field
Alert me
US Department of Labor · latest filing May 19, 2025 · Visa details by country

Growth

Hiring Momentum
48/100
Stable
Open positions
11
2 opened / 0 closed in 30 days
Median time-to-fill
57 days
faster than 23% of the market
ATS activity
Every ~8 hours
Today
Hiring Dynamics 0%
Hiring Focus
The percentage next to each role is its share of the company's job openings over the last 90 days; the arrow shows the shift versus the previous period.
Energy
40% ▼
Industrial Engineering
20% ▼
Aerospace
20% ▲
QA
10% ▼
Operations
10% ▲
Activity Timeline
Added FMEA to stack Oct 2026
Added DO-254 to stack Oct 2026
Added DO-160 to stack Oct 2026
Added DO-178C to stack Oct 2026
Added AS9100 to stack Oct 2026
Added Verification & Validation to stack Oct 2026
Added Siemens NX to stack Oct 2026
Added GD&T to stack Oct 2026
New location: Kemble Oct 2026
Added Simscape to stack Sep 2026
Added Microsoft Office to stack Sep 2026

Financials

Total raised
$263.8M
Latest round
Grant
Funding rounds
7
Funding rounds
Round Announced Amount
Grant 2025 $4M Details
Grant 2025 $75k Details
Venture - Series Unknown 2024 $130M Details
Grant 2023 $64k Details
Venture - Series Unknown 2022 $80.2M Details
Convertible Note 2021 $26.1M Details
Venture - Series Unknown 2020 $23.5M Details

People

Sergey Kiselev
Executive Officer, Director
Valery Miftakhov
Executive Officer, Director
Ekaterina Akulinicheva
Executive Officer
Geoff Eisenberg
Director
Matt Eggers
Director
Christine Ourmieres-Widener
Director
Names and roles come from public filings, company registers and the company's own site. Is this you? Correct or remove · How we handle this data

Tech stack

Technologies named in job postings at ZeroAvia over the last 12 months, by layer, with the share of postings for each.
Technologies in use
15
Postings analysed
12
Stack modernity
67/100
Languages
MATLAB17%
Embedded C8%
C8%
Python8%
Frameworks & libraries
PyTorch25%
Sign in to see how your skills match this stack Sign In
Full ZeroAvia tech stack 15 technologies · by team · pay by technology · changes · similar stacks

Connections

List
Graph
Found in company registers, site code, DNS and hiring. Each connection shows how sure we are and the evidence, with its source and date.
Shared investors4
AP VenturesVia a fund
29 portfolio companies: FCA, Hydrogenious LOHC Technologies, Reclinker and 26 more
AENUVia a fund
35 portfolio companies: Edurino DE, Agreena, TESVOLT AG and 32 more
91 portfolio companies: Google DeepMind, Waze, Microsoft 2026 and 88 more
144 portfolio companies: Cambium, Yard Stick PBC, Xplorobot and 141 more
Show all 4

Offices

Where the company hires and what each office is for
Cities
2
Hiring now
1
Countries
2
Busiest office
Kemble
Loading the map
Headquarters Builds here Office with open vacancies No open vacancies right now Tap a pin for the office
Hollister United States
HQ
Kemble United Kingdom
Engineering / R&D
12 open roles 10 posted in 90 days 17% engineering
hires for Energy, Industrial Engineering, Aerospace
seen since Apr 2026 job postings