When was Mantle8 founded?

Mantle8 was founded in 2024 and raised its 1st funding round 1 year after it was founded.

Where is Mantle8 located?

Mantle8 is headquartered in Sassenage, France.

Who is the current CEO of Mantle8?

Emmanuel Masini of Mantle8. They have also founded 1 company.

How many employees does Mantle8 have?

As of Jul 31, 2026, the latest employee count at Mantle8 is 33.

Is Mantle8 a funded company?

Mantle8 is a funded company, having raised a total of $44M across 3 funding rounds to date. The company's 1st funding round was a $***** Series A round, raised on Feb 07, 2025.

When was the latest funding round of Mantle8?

Mantle8's latest funding was a $***** Series A round on May 13, 2026, with participation from 6 investors.

Where does Mantle8 rank among its competitors?

Mantle8 ranks 34th amongst 516 active competitors, of which 122 are funded. It stands 7th in terms of total funding among its competitors. The most recent competitor to raise funding was Mantle8, which secured $36.4M in May, 2026.

Who are the top competitors of Mantle8?

Mantle8's top competitors include Lhyfe, Nel Hydrogen and Orsted. Among them, Mantle8 secured the most recent funding round in May, 2026.

Mantle8 - 2026 Company Profile, Team, Funding & Competitors

Company Details

Developer of natural hydrogen exploration technology. It uses proprietary multiphysics imaging and geological data analysis to identify and assess subsurface natural hydrogen reserves. The company's technology is scalable and applicable globally. Its services encompass prospect generation, permitting, and exploration campaign management. The team comprises experienced geoscientists and engineers.

Website: mantle8.com
Email ID: *****@mantle8.com
Phone Number: +33 **********

Key Metrics

Founded Year

2024

Location

Sassenage, France

Stage

Series A

Total Funding

$44M in 3 rounds

Latest Funding Round

Series A, May 13, 2026, $*****

Investors

Sandwater & 8 more

Ranked

34^th among 516 active competitors

Employee Count

33 as on Jul 31, 2026

Similar Companies

Plug Power & 25 more

View Mantle8's full profile

Mantle8 has raised a total funding of $44M over 3 rounds. Its first funding round was on Feb 07, 2025. Its latest funding round was a Series A round on May 13, 2026 for $*****. 6 investors participated in its latest round. Mantle8 has 9 institutional investors.

Here is the list of recent funding rounds of Mantle8:

Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
May 13, 2026	2680858	Series A	7126572	6362092	8639637	7054394
Mar 10, 2026	6877109	Grant (prize money)	9650189	6021966	8754361	European Innovation Council
Feb 07, 2025	5952346	Series A	9417396	7068345	Breakthrough Energy	Gates & 1 more

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View details of Mantle8's funding rounds and investors

The founders of Mantle8 is Emmanuel Masini. Emmanuel Masini is the CEO of Mantle8.

Here are the details of Mantle8's key team members:

Emmanuel Masini: Founder & CEO of Mantle8.
Contact Info: 1 email address

View details of Mantle8's Founder profiles and Board Members

Mantle8's employee count trend

Mantle8 has 33 employees as of Jul 26. Here is Mantle8's employee count trend over the years:

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Top competitors of Mantle8 include Lhyfe, Nel Hydrogen and Orsted. Here is the list of Top 10 competitors of Mantle8, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	Lhyfe 2017, Nantes (France), Public	Manufacturer of renewable hydrogen produced through water electrolysis and electricity	$96.9M	Andera Partners, Mitsui & 12 others	70/100
2nd	Nel Hydrogen 1927, Oslo (Norway), Acquired	Manufacturer of electrolyser technology for renewable hydrogen production and related services	-	Defense.gov, Vermögensclub & 4 others	70/100
3rd	Orsted 2006, Fredericia (Denmark), Acquired	Developer and operator of offshore wind farms and energy assets	-	ELM Responsible Investments, Equinor & 2 others	68/100
4th	Heliogen 2013, Pasadena (United States), Acquired	Producer of hydrogen and syngas using sunlight	$111M	Prime Movers Lab, ArcelorMittal & 24 others	66/100
5th	Plug Power 1997, Latham (United States), Public	Provider of hydrogen fuel cell solutions and hydrogen generation technologies	-	Advantas Capital Ventures, DTE Energy Ventures ... & 14 others	66/100
6th	Sunfire 2010, Dresden (Germany), Series E	Manufacturer of industrial alkaline and solid oxide hydrogen electrolysis systems	$487M	Lightrock, Blue Earth Capital & 37 others	66/100
7th	Monolith 2012, Lincoln (United States), Series D	Manufacturer of carbon black and hydrogen products for various industrial uses	$593M	Cornell Capital, TPG & 11 others	64/100
8th	H3 Dynamics 2015, Singapore (Singapore), Series B	Provides aerial inspection services using drones	$39M	ACA Investments, Sumitomo Mitsui Banking Corporation ... & 13 others	64/100
9th	Electric Hydrogen 2020, San Carlos (United States), Series C	Manufacturer of advanced electrolyzer systems for clean hydrogen production solutions	$603M	Fifth Wall, Energy Impact Partners & 26 others	64/100
10th	H2PRO 2019, Caesarea (Israel), Series B	Developer of technology for producing hydrogen from water	$180M	Temasek, ArcelorMittal & 24 others	64/100
34th	Mantle8 2024, Sassenage (France), Series A	Developer of natural hydrogen exploration technology	$44M	Gates, European Innovation Council & 7 others	57/100