Funding rounds
Announced	Stage	Amount	Valuation	Lead investors	Other investors	Confidence
Dec 22, 2025	Undisclosed	~$62.5M	$338M	AP Ventures, Barclays (Sustainable Impact Capital / Climate Ventures), Breakthrough Energy Ventures, Ecosystem Integrity Fund, Horizons Ventures, Summa Equity	National Wealth Fund, Scottish National Investment Bank	Reported
Nov 6, 2025	Grant	$24.6M	—	—	—	Reported
Jun 16, 2025	Grant	Undisclosed	—	—	—	Confirmed
Sep 12, 2024	Series C	~$34.0M	$663M	Airbus, Barclays (Sustainable Impact Capital / Climate Ventures), NEOM Investment Fund	American Airlines, International Airlines Group, ITOCHU Corporation, National Wealth Fund, Scottish National Investment Bank	Confirmed
Aug 19, 2024	Grant	$4.2M	—	—	—	Confirmed
Nov 27, 2023	Series C	$116M	—	Airbus, Barclays (Sustainable Impact Capital / Climate Ventures), NEOM Investment Fund	National Wealth Fund	Confirmed
Sep 18, 2023	Series C	Undisclosed	—	Airbus, Barclays (Sustainable Impact Capital / Climate Ventures), NEOM Investment Fund	—	Confirmed
Jul 20, 2022	Series B	$30.0M	—	—	AENU, Barclays (Sustainable Impact Capital / Climate Ventures), International Airlines Group, NEOM Investment Fund	Reported
Dec 13, 2021	Series B	$35.0M	—	—	Alaska Air Group, Amazon Climate Pledge Fund, AP Ventures, Breakthrough Energy Ventures, Horizons Ventures, Shell Ventures, Summa Equity, United Airlines	Confirmed
Jun 29, 2021	Series A	$13.0M	—	—	Alumni Ventures, AP Ventures, SGH Capital	Confirmed
Dec 16, 2020	Grant	$16.3M	—	—	—	Reported
Dec 16, 2020	Series A	$21.4M	—	Breakthrough Energy Ventures, Ecosystem Integrity Fund	Amazon Climate Pledge Fund, Horizons Ventures, Shell Ventures, Summa Equity	Reported

Undisclosed
Led by AP Ventures, Barclays (Sustainable Impact Capital / Climate Ventures), Breakthrough Energy Ventures, Ecosystem Integrity Fund, Horizons Ventures, Summa Equity
With National Wealth Fund, Scottish National Investment Bank
Valuation $338M
~$62.5M
Dec 22, 2025
Grant
$24.6M
Nov 6, 2025
Grant
Confirmed
Undisclosed
Jun 16, 2025
Series C
Led by Airbus, Barclays (Sustainable Impact Capital / Climate Ventures), NEOM Investment Fund
With American Airlines, International Airlines Group, ITOCHU Corporation, National Wealth Fund, Scottish National Investment Bank
Valuation $663M
Confirmed
~$34.0M
Sep 12, 2024
Grant
Confirmed
$4.2M
Aug 19, 2024
Series C
Led by Airbus, Barclays (Sustainable Impact Capital / Climate Ventures), NEOM Investment Fund
With National Wealth Fund
Confirmed
$116M
Nov 27, 2023
Series C
Led by Airbus, Barclays (Sustainable Impact Capital / Climate Ventures), NEOM Investment Fund
Confirmed
Undisclosed
Sep 18, 2023
Series B
With AENU, Barclays (Sustainable Impact Capital / Climate Ventures), International Airlines Group, NEOM Investment Fund
$30.0M
Jul 20, 2022
Series B
With Alaska Air Group, Amazon Climate Pledge Fund, AP Ventures, Breakthrough Energy Ventures, Horizons Ventures, Shell Ventures, Summa Equity, United Airlines
Confirmed
$35.0M
Dec 13, 2021
Series A
With Alumni Ventures, AP Ventures, SGH Capital
Confirmed
$13.0M
Jun 29, 2021
Grant
$16.3M
Dec 16, 2020
Series A
Led by Breakthrough Energy Ventures, Ecosystem Integrity Fund
With Amazon Climate Pledge Fund, Horizons Ventures, Shell Ventures, Summa Equity
$21.4M
Dec 16, 2020

Totals add known amounts using recorded USD conversions where available; other currencies are shown separately. A ~ marks an estimated amount.

Sources16

Profile2

1
DatabaseSixth-Domain public startup directory
Sixth-Domain · Supports Organization · country, Organization · kind
“{"country": "USA", "hq_iso2": "US", "id": "f864f607-a894-4682-a1fc-ff8cb9c4bb68"}”
2
CompanyHome - ZeroAvia
ZeroAvia · Supports Organization · description, Organization · name, Organization · website
“Powering Sovereign and Clean Skies Hydrogen Power Generation Systems Hydrogen-Electric Powertrains Advanced Technologies ZeroAvia is developing ...”

Funding14

3
CompanyZeroAvia Completes Financing Round
ZeroAvia (PR Newswire) · Dec 22, 2025 · Supports Funding round
“today announced that it has completed a further round of financing”
4
NewsZeroAvia Wins €21M EU Grant for Hydrogen Aircraft Network
Fuelcellsworks · Nov 6, 2025 · Supports Funding round
“ZeroAvia Successful in €21M European Union Grant Application”
5
NewsZeroAvia awarded €21.4m through EU Innovation Fund
gasworld · Nov 6, 2025 · Supports Funding round · amount
“ZeroAvia has secured €21.4m ($24.6m) from the EU Innovation Fund”
6
CompanyZeroAvia Awarded UK Government Grant for Development and Flight Test of Liquid Hydrogen Fuel System
ZeroAvia · Jun 16, 2025 · Supports Funding round
“grant towards a £10.8m project to develop a novel liquid hydrogen management system”
7
DatabaseZeroAvia IPO Timeline and Financing Details - Forge
Forge Global · Sep 12, 2024 · Supports Funding round · amount, Funding round · post money valuation usd
“12/22/2025 Series C-2 Prime $62.5M $2.76 $338.11M”
8
CompanyZeroAvia Completes $150m Series C Financing
ZeroAvia · Sep 12, 2024 · Supports Funding round · amount
“extended its Series C financing to a total of $150m”
9
CompanyFederal Aviation Administration Awards ZeroAvia $4.2 Million US Federal Grant to Advance Electric Propulsion for Clean Aviation
ZeroAvia · Aug 19, 2024 · Supports Funding round · amount
“awarded $4.2 million in US federal funding”
10
CompanyZeroAvia announces completion of $116m Series C funding round
ZeroAvia (PR Newswire) · Nov 27, 2023 · Supports Funding round · amount
“has completed its Series C funding round at a total of $116m”
11
CompanyAirbus, Barclays Sustainable Impact Capital and NEOM co-lead ZeroAvia's latest financing round
ZeroAvia · Sep 18, 2023 · Supports Funding round
“have co-led the company’s latest financing round”
12
NewsZeroAvia secures $30m funding from IAG, Barclays, NEOM and AENU
Aerospace Global News · Jul 20, 2022 · Supports Funding round · amount
“ZeroAvia has announced $30 million in funding from new investors Barclays Sustainable Impact Capital, NEOM and AENU”
13
CompanyZeroAvia Raises Further $35 Million for Zero-Emission Flight Technology, Taking Total Raised to $115 Million
ZeroAvia · Dec 13, 2021 · Supports Funding round · amount
“has secured a new raise of $35 million to help develop its 2–5MW zero-emission powertrain system for regional aviation”
14
CompanyZeroAvia Expands its Hydrogen-Electric Aviation Program to 19-Seat Aircraft and Raises Additional $13 Million in Funding for Large Engine Development
ZeroAvia (PR Newswire) · Jun 29, 2021 · Supports Funding round · amount
“ZeroAvia has also secured an additional $13 million for its 50+ seat engine development program”
15
NewsZeroAvia's hydrogen-powered vision for aviation nets $21.4 million from Amazon, Shell and Bill Gates-backed fund
TechCrunch · Dec 16, 2020 · Supports Funding round · amount
“has just received some corporate jet fuel in the form of a new $21.4 million cash infusion”
16
NewsZeroAvia Secures $21.4M in Series A and $16.3M in Grant Funding
FinSMEs · Dec 16, 2020 · Supports Funding round · amount
“The $21.4m in Series A round was led by Breakthrough Energy Ventures and Ecosystem Integrity Fund”

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